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Topics - R4002

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1501
10/11 meters / 11 meter DX Logs 4 March 2016 1900 UTC +
« on: March 04, 2016, 2140 UTC »
Some Sporadic-E and maybe F2 propagation going on this afternoon:

Standard 6-band "export" configuration below.  To compute "bands", simply add or subtract 450 kHz depending on if you're going up or down from the CB band (usually Band D on most exports).  Of course, many exports are being sold with wider coverage.  Ranging from 25615-30105 to 26065-28755 to 24265-29655.  So the CB band could be anywhere from "Band C" to "Band F" depending on what radio you're using.  

Just to make things more confusing, there is also the UK FM "27/81" allocation with weird offset (and FM mode only) from 27601.25-27991.25.  On top of that you have the UK's CADS and Ireland's WPAS (Church services relay) services on the regular 26965-27405 band and on two overlapping sets of 40 channels each, the UK FM allocation 27601.25-27991.25 (both AM and FM allowed in Ireland) and another set of 40 channels from 27605-27995 (both AM and FM allowed).  One can imagine how easily 27601.25 could turn into 27600.

In Russia, Poland and most of Eastern Europe there are two overlapping sets of channels.  The "standard" or "fives" offset (e.g. 27305 for channel 30) and the "Russian" or "Polish" or "zeros" offset (e.g. 27300 for channel 30).  Many radios being sold in that part of the world offer a -5kHz switch in addition to the +10kHz switch to reach the offset frequencies.  

Band A - "Super-Low" 25615-26055
Band B - "Low-Low" 26065-26505
Band C - "Low Band" 26515-26955 - Latin Americans are found on this band, usually in AM mode.  US stations can be found in the high portions, usually from 26735 to 26955
Band D - Legal 40 Channel CB - "Mid Band" or "CEPT", "EU" or "EC" band 26965-27405
Band E - "High Band" or "Uppers" 27415-27855 - Lots of SSB and AM activity on this portion.  5 kHz steps for SSB
Band F - "Super-High" 27865-28305.  Only the first 11 channels of this band are below 27995 kHz.  The rest are in 10 meters.

--begin "super band" 25615-26055--
25645 AM - Spanish language YL taxi dispatcher, with elaborate roger beeps
25735 AM - Spanish language, probably taxis (roger beeps heard).  Severe fading
25805 AM - Spanish language, YL heard - possibly taxis
25835 AM - Weak AM carrier here. This is CB channel 19 (27185) "down three bands" (27185 - 450 - 450 - 450 = 25835).  Truckers have been heard here before
26055 AM - Spanish language, heavy fading, roger beeps heard
26135 AM - Spanish language
26225 USB - Spanish language [similar to 26555 LSB, 27455 USB, etc
26365 AM - Spanish language, with roger beeps, echo/reverb, etc
26375 AM - Spanish language, several stations heard at once.  Lots of noise toys, sound effects, roger beeps, etc
26475 AM - Spanish language, weak (around S3-S4) but busy
--end "low-low band" 26065-26505--
--begin "low band" 26515-26955--
26540 LSB - Spanish language, Dominican Republic mentioned
26555 LSB - Spanish language [one of many Latin American SSB calling frequencies - see also 27455 USB]
26565 AM - Spanish language
26575 AM - Spanish language
26585 AM - Spanish language, very busy with strong signals [Latin American trucker/AM operator calling channel]
26605 AM - Spanish language, S9 to S9+30 signals with lots of echo
26615 AM - Spanish language.  "La Ciudad de Mexico" (Mexico City) mentioned.  Very punchy and loud S9 signal with reverb/echo
26625 AM - Spanish language
26635 AM - Hearing "Better Off Alone" by Alice Deejay and OM talking in Spanish with way too much echo.  S9 signal LOUD
26645 AM - Spanish language, possibly taxis
26725 AM - Spanish language - YL taxi dispatcher with distinctive roger beep (can hear the taxi drivers she's talking to as well)
26735 AM - English language, truckers discussing traffic, road condx, etc (weak, but readable). Channel 19 "down one band"
26825 AM - Spanish language, heavy fading
26835 AM - English language, Southern US accents, heavy fading
26875 AM - Spanish language, probably taxis
26905 AM - Spanish language - YL taxi dispatcher with single roger beep (S9 signal, very strong nice audio)
26915 AM - English language, Southern US stations [this is known as "36 low" or "915" and is a popular freeband AM frequency]
26955 AM - Hearing roger beeps, can't make out voice traffic, signals right at noise floor
--end "low band" 26515-26955--
--begin "mid band" legal CB band 26965-27405--
26965 AM - Spanish language, single station heard S4-S5 signal.  Noisy channel [CB CH 01]
27005 AM - Spanish language [CB CH 04]
27015 AM - Spanish language, very messy, QRM heterodyne at S9 [CB CH 05]
27025 AM - The Superbowl [CB CH 06]
27035 AM - US truckers mixing in with Spanish language QRM [CB CH 07]
27065 AM - Spanish language [CB CH 09]
27085 AM - Original AM Calling Channel (from the 23-channel CB days).  Active with US stations [CB CH 11]
27115 AM - Very messy and noisy.  Similar to 27185 CB CH 19.  English and Spanish heard, roger beeps, lots of QRM [CB CH 13]
27125 AM - English language, southern accents [CB CH 14]
27175 AM - Spanish language, another messy het, much like 27015 [CB CH 18]
27185 AM - S4 to S5 noise level.  Trucker/Road Channel [CB CH 19]
27195 AM - English language stations heard, likely truckers [R/C Channel - "CH 19A"]
27205 AM - "Bye Bye Bye Bye!" S9+30 LOUD with roger beep on another noisy channel [CB CH 20]
27225 AM - English-speaking stations talking to each other [CB CH 22]
27235 AM - Spanish language - YL taxi dispatcher with roger beep talking to OM taxis [CB CH 24]
27285 AM - English language, Motor Mouth Maul and Mustang Radio Hi-Fi wideband AM audio [CB CH 28]
27335 AM - "You got a copy on 856 down in Clearwater Florida?" [CB CH 33]
27345 AM - YL heard talking.  Sounds like English language but too much QRM to be 100% sure [CB CH 34]
27375 AM - Another messy channel, mostly Spanish language.  High noise floor.  [CB CH 37]
27385 LSB - North American SSB DX Frequency, domestic US stations heard with Spanish YL in the background [CB CH 38]
27405 AM - Spanish language - YL taxi dispatcher (I think) with roger beep.  Lots of noise.  [CB CH 40]
--end "mid band" legal CB band 26965-27405--
--begin "high band" 27415-27855--
27415 AM - Spanish language, heavy fading
27420 LSB - US stations (English language)
27425 LSB - English language. Operators talking about conditions on 40 meters and 20 meters, nice audio, with AM het QRM
27435 USB - Spanish language, weak
27440 LSB - US stations (English language)
27445 LSB - US stations (English language), very strong
27455 USB - Spanish language [one of many Latin American SSB calling frequencies - see also 26555 USB]
27470 USB - Spanish language
27475 USB - Spanish language
27490 LSB - English language, OMs talking about cameras, photography, etc.  Midwestern accents
27495 USB - Spanish language
27505 USB - Spanish language, right at noise floor
27515 AM - Spanish language - YL taxi dispatcher with roger beeps (S7 fading up to S9+ on peaks)
27515 LSB - Knight Patrol CB Club Caribbean SSB Calling Frequency.  Active with stations from Jamaica
27550 USB - Weak voice traffic, unknown language
27555 USB - International Freeband SSB Calling Frequency "T5" "Triple 5" etc.  Only Spanish language heard (for now anyway)
27575 AM - Spanish language
27585 USB - Spanish language
27625 AM - Roger beeps heard in AM mode.  Unknown language, voice traffic is at noise level.  AM het heard in USB/LSB
27665 USB - Spanish language, several stations talking at once
27675 LSB - Spanish language, with heavy OTH Radar QRM
27690 LSB - Spanish language, with "tone burst" roger beep.  Loud signals
27695 USB - Spanish language
27700 USB - Weak SSTV heard
27745 LSB - Spanish language, Mexican accents
27765 USB - Spanish language, with AM het QRM
27765 AM - Spanish language YL taxicab dispatcher fading in and out, fighting the QRM from 27765 USB
27785 AM - Spanish language YL taxicab dispatcher reading numbers.  Heavy fading, but reaching S7 on peaks.  
27815 AM - Spanish language YL taxicab dispatcher with two-tone roger beep, fighting OTH Radar QRM
--end "high band" 27415-27855--
--begin "super high band" or "high-high band" 27865-28305 (up to channel 11A - 27995, the remaining channels are in 10m)--
27865 AM - Spanish language, weak, OMs only heard (usually taxis use YL dispatchers)
27875 AM - Spanish language, possibly truckers
27905 AM - Spanish language, just barely above noise floor, possibly truckers
27950 USB - Some sort of warbling data/digital signal
27985 LSB - Spanish language, roger beeps heard (weak)
--begin 10-meter amateur radio band 28000-29700--
28005 AM - Spanish language, weak but readable, with roger beeps
28030 Strong carrier heard, completely quiets receiver in FM mode...
28065 AM - Spanish language
28085 AM - Spanish language.  Could be truckers as this is CB channel 19 (27185) "up two bands" (27185 + 450 + 450 = 28085)
28135 AM - Spanish language, with roger beeps
28195 AM - Spanish language, weak
28275 AM - Spanish language

1502
10/11 meters / 10 meter band AM intruders 03/04/2016
« on: March 04, 2016, 1953 UTC »
11 meters is pretty active this afternoon, I tuned into the CW/beacon portion of 10 meters and heard AM traffic on the following frequencies (all in Spanish)

28005 kHz (28.005 MHz)
28065 kHz (28.065 MHz)
28085 kHz (28.085 MHz) - this is CB channel 19 "up two bands"
28135 kHz (28.135 MHz)
28195 kHz (28.195 MHz)
28275 kHz (28.275 MHz)

1503
Underneath the very strong unidentified AM signal on 6925.0 kHz there's another station on the USB.  6925 USB.  Is much clearer when the carrier (and audio) from the signal on 6925 AM disappear for a moment or two.

1504
North American Shortwave Pirate / UNID 6925 USB 1725 UTC 02/28/2016
« on: February 28, 2016, 1729 UTC »
Asiatic-language speaking YL announcer, interval tones, tone, various epic music played.  

Sounds very "Socialist" - maybe DPRK?

1731 UTC:  More YL talk.  I'm pretty sure this is Korean, but I could be wrong.  S7 signal on the K2SDR WebSDR.

1505
10/11 meters / 11 meter DX Logs 28 Febuary 2016 1600 UTC +
« on: February 28, 2016, 1653 UTC »
Going by the severe fading most frequencies seem to be suffering from, I'd say there's some Sporadic-E going on - 26 MHz band and 27 MHz band DX logs:  Superstar 3900 (Mk1), Ranger Voyage VR-9000 (Superstar 3900F), Galaxy 959 w/mods, Cobra 29XLR w/mods, CRE 8900 (Alinco DR-135CB).

25750 AM/FM - Some sort of carrier here, fading in and out.  No audio/modulation heard.  Nearly full quieting in FM mode on peaks.
25775 AM - Spanish language, probably taxis, etc
25805 AM - Spanish language, fading
25970 FM - Another carrier here
26015 AM - Spanish language
26135 AM - Spanish language
26345 AM - Spanish language, heavy fading.  OMs and YLs heard
26375 AM - Spanish language
26495 AM - Roger beeps heard, voice traffic right at noise floor (probably Spanish)
26585 AM - Spanish language, Mexican Call Channel 26.585 MHz AM.  Lots of music/noise toys sound effects etc heard
26625 AM - Spanish language
26665 AM - Music, very powerful signal.  S9+30 very little noise.  No ID heard.
26705 AM - Spanish-speaking OMs, the usual high-power "shootout" traffic heard around here
26785 AM - English-speaking OMs having QSO about radio equipment and band conditions.  Heavy fading down to noise floor
26855 AM - Spanish language, close to noise floor

1506
10/11 meters / Music 26655 AM 1640 UTC 02/28/2016
« on: February 28, 2016, 1642 UTC »
Hearing LOUD (S9+30db) music on 26.655 MHz/26665 kHz AM.  Nice wide AM signal (common with 11 meters).  There's some Spanish language traffic down in the noise when the music station unkeys but I haven't heard any (readable) ID. 

1507
Hampered by heavy storm QRN and local hiss noise (likely from a motor/engine somewhere - its all over the bands).  Frequencies listed in kilohertz as per HF Underground board standards.  As lots of 11 meter discussion deals with frequencies in megahertz (MHz), I'll include some conversions.  26715 AM = 26.715 MHz AM, 27065 AM = 27.065 MHz AM, 27555 USB = 27.555 MHz USB, etc.  

**Skip down to the bottom for today's discussion regarding the alpha channels or the "A" channels.**


26585 AM - Mexican/Latin American AM DX Trucker Calling Channel, busy
26595 AM - Similar to 26585 AM
26605 AM - Spanish language, Mexican accents, S9++ fading down to noise floor.  Sporadic-E?
26635 AM - Spanish language, YL and OM talking.  Locations in California and Mexico mentioned  Very rapid fading.  Music under OM's voice.  
26645 AM - OM reading numbers with music in the background.  Can't hear the station(s) he's talking to.  Guessing this is a taxi company
26715 AM - The usual "TOMA! TOMA! TOMA!" distorted audio from Puerto Rico, southern Florida, and elsewhere.  S9+20
26965 AM - CB Channel 1 - "I need to bring a handheld to work.  That's where I'm at all day".  Southern US accents
27025 AM - CB Channel 6 - The Superbowl.  "Motor Mouth Maul" and "Mr. Marlboro" heard, among various others.  Strong signals with fading
27065 AM - CB Channel 9 - Spanish language.  This is used as yet another Spanish language AM calling frequency
27085 AM - CB Channel 11 - AM Calling Channel.  11 is the original AM general calling frequency from the 23-channel CB days
27095 AM - CB Channel 11A - R/C channel.  Spanish language heard with roger beeps.  Rapid fades (see discussion at bottom of post)
27245 AM - CB Channel 25 - Spanish language taxi dispatcher heard.  Have heard her here several times before.  
27285 AM - CB Channel 28 - English language AM stations, very deep fading down to noise floor
27305 AM - CB Channel 30 - Hearing roger beeps at noise floor (noise floor is S-3 or so at 2100 UTC)
27405 AM - CB Channel 40 - "That does make things easier" - several stations heard at once.  None getting past S-5
27440 LSB - English language
27445 AM - Spanish language, likely taxi dispatch with roger beeps
27455 USB - Spanish language (Latin American 11-meter SSB Calling Frequency.  Supplementary to 27555 USB)
27485 USB - Spanish language.  Paraguay and Venezuela mentioned.  Weak, but readable signals.
27490 USB - US stations, midwestern accents heard
27665 USB - Spanish language
27695 USB - Spanish language
27775 AM - Spanish language, YL dispatcher reading numbers (probably a taxi cab company)
27805 AM - Truckers (English language).  Very deep fading and there may be a taxi cab dispatcher YL on the frequency as well
27835 AM - Spanish speaking OMs talking, more fading.  

Even though the regular CB band is 40 channels, and each "band" above and below it is 40 channels, there are actually 45 channels per band at the regular 10 kHz channel spacing.  Of course, for SSB purposes, that can be reduced down to 5 kHz spacing, giving a theoretical 90 channels per 450 kHz wide band.  That would give the "standard" 6-band export radio 270 AM/FM channels or 540 SSB channels.  Of course, in practice this isn't the case, as any AM channel is at least 6-8 kHz wide, sometimes much more if/when operators are running overmodulated radios that take up 20 or 30 kHz at modulation peaks.  The 5 kHz steps are the "gentleman's agreement" for the high band above channel 40 [27405 kHz/27.405 MHz] and stations calling on 27555 will often request a QSY to a "zero" channel to get away from QRM.  On several occasions I have heard SSB traffic "in-between channels" in the upper part of the legal 40 channel CB band.  Noted frequencies include 27370, 27380, 27390 and 27400.  27410 is also popular but I count that as a "freeband" frequency since its 5 kHz above 27405 and not between legal channels.  27370 and 27390 seem to be the most popular.  Generally the users of these frequencies are SSB operators who started a QSO on 27385 and then QSYed once they both agreed that they have radios that can reach the zero raster frequencies.

The "low bands" have much more limited use of SSB but the zeros are used there as well.  Commonly logged frequencies are bound to be stations going QSY from calling channels such as 26225 USB, 26285 USB and 26555 LSB.  Logged frequencies include 26230 USB, 26240 USB, 26500 LSB, 26520 LSB, 26540 LSB and 26570 LSB.  The 265xx frequencies all suffer from QRM due to heavy AM use of adjacent frequencies.  Don't believe me?  Next time there's a band opening, start at 26585 AM and tune up (or down) from there.   ;D

It is worthy to note that the "A" or "alpha channels" that are accessible via the +10kHz or +10kc switch on export radios give a total of 45 channels per band, even though there's only 40 numbered channels on a "street legal" or "FCC approved" radio.  These "hidden channels" translate to the upper and lower "bands" as well.  For example, channel 11A (channel 11 27085 + 10kHz = 27095) "down one band" (-450 kHz) is 26645.  Not all export radios have +10 kHz switches so these channels (25645, 25695, 25745, 25795, 25845, 26095, 26145, 26195, 26245, 26295, 26545, 26595, 26645, 26695, 26745, 26995, 27045, 27095, 27145, 27195, 27445, 27495, 27545, 27645, 27895, 27945, and, finally, 27995) are, usually, less busy than the other 40 channels in their respective bands.  They are often used by taxis and truckers looking for an "empty channel".  I've noted use of several of them on today's log alone.  The five A channels inside the legal CB band are also often busy during a band opening, and are very often overlooked.  Of course, these channeling issues don't matter if you're running a modified ham/general coverage radio with continuous tuning or a radio with a VFO added.  Some of the more modern export radios, for example the RCI-29xx series, the Magnum 257/357, the Lescomm/Lester's Custom Truckstop built radios and the DigiMax Lite frequency board add-ons include 45 channels per band, by adding the "A" to the additional channels i.e. 27185 is "19" on the channel display and 27195 is "19A".  

1508
Hearing electronic music/techno on 6930 kHz USB.  S7 signal level, a bit of noise but readable.  Came on about 10 minutes after Amphetamine Radio signed off the same frequency 6930 kHz USB.  

1509
10/11 meters / 11 meter DX Logs 21 Febuary 2016 2000 UTC +
« on: February 21, 2016, 2032 UTC »
Sunday afternoon activity on 11 meters.

26555 LSB - Spanish language, the usual activity on this frequency
26615 AM - Spanish language
26715 AM - Spanish language, not nearly as strong as usual today
26725 AM - Spanish language, taxi senorita talking at noise floor
26805 AM - English language, OMs talking (probably truckers/hunters)
26915 AM - English language, southern US AM DX freeband calling "skip" channel "915" or "36 low"
26945 AM - Spanish language, just above noise floor.  
26955 AM - AM voice traffic heard, with roger beeps.  Unknown language
26965 AM - CB Channel 1 - Spanish language, with roger beeps.  Heavy fading
26975 AM - CB Channel 2 - English language, at noise floor.  Spanish voices coming in as well with echo/reverb
26985 AM - CB Channel 3 - Spanish language, noisy
26995 AM - R/C Channel CB Channel 3A - FM carrier heard (S-5 signal level).  AM voice underneath, Spanish YL, probably taxis
27015 AM - CB Channel 5 - Spanish language (this is a common high-power AM channel, similar to 27025, 26715, etc)
27025 AM - CB Channel 6 - The Superbowl.  Surprisingly low amount of traffic on this frequency today
27035 AM - CB Channel 7 - Similar to 27015.  Basically one big graveyard of dozens of signals at or just above noise level
27115 AM - CB Channel 13 - Truckers, English language (with some overmodulation noted)
27125 AM - CB Channel 14 - English language, southern accents (this is a common AM chat frequency)
27185 AM - CB Channel 19 - Trucker Channel/Road Channel.  S-3 to S-5 level noise/mess.  Unable to hear any single station but frequency is busy
27205 AM - CB Channel 20 - Spanish speaking OM heard, with roger beeps
27215 AM - CB Channel 21 - Somebody doing radio checks.
27225 AM - CB Channel 22 - English language, strong signals.  "Mr. Moses" and "Marlboro" handles/callsigns heard with some awful overmodulation
27245 AM - CB Channel 25 - Spanish language taxicab
27265 AM - CB Channel 26 - US AM CB Calling/DX/Shootout Channel (similar to channels 6, 11, 17, etc).  Strong US stations heard
27275 AM - CB Channel 27 - Spanish language traffic down at noise level.  YL heard reading numbers with roger beep
27285 AM - CB Channel 28 - Similar to CH 26 - 27265.  Several strong (S-9+) signals heard, all English language
27305 AM - CB Channel 30 - Spanish language OM talking to a YL (with roger beep).  Heavy fading
27335 AM - CB Channel 33 - Spanish-speaking OMs heard, lots of beeps and feedback/echo heard
27345 AM - CB Channel 34 - English language, Florida mentioned.  Fading
27375 AM - CB Channel 37 - Spanish and English speaking stations heard, lots of QRM on this freq
27385 AM - CB Channel 38 - Spanish-language stations using AM on SSB calling frequency
27385 LSB - CB Channel 38 LSB - US Domestic SSB Calling frequency.  US stations working through heavy AM QRM
27395 AM - CB Channel 39 - Spanish language stations with SSB QRM from 27395 LSB
27395 LSB - CB Channel 39 LSB - US Domestic stations working through AM QRM
27405 AM - CB Channel 40 - YL taxi dispatcher talking to OM taxi drivers.  YL reading numbers, OMs replying to her.  Some fading
27425 LSB - English language
27425 AM - Spanish language taxi dispatch
27445 LSB - English language, strong
27450 USB - Spanish language, strong, with adjacent-channel QRM at times
27455 USB - Spanish language - Latin American SSB DX freeband calling channel (similar to 26555 LSB)
27485 USB - Spanish language, OM reading numerical callsigns.  Working another (weaker) station.  Mexican accents
27490 LSB - English language, midwestern accents
27505 USB - Spanish language
27515 AM - Spanish language taxi dispatch (YL dispatcher "la senorita del taxi")
27555 USB - International Freeband Calling Frequency DX Windows "Triple 5".  QSO in progress (Spanish language)
27570 USB - Spanish language
27575 USB - Spanish language
27635 AM - Weak AM voice traffic heard here, unable to tell what language is being spoken
27655 LSB - "Hola la frecencia!" - Spanish speaking OMs having a QSO.  Nice, strong signals.
27665 USB - Spanish language, very strong
27695 LSB - Spanish language - this frequency, along with 27665 USB/LSB, are usually some of the more active ones
27695 USB - Spanish language
27735 AM - Weak traffic heard with roger beeps coming out of the noise, unknown language
27745 USB - Spanish language
27775 AM - Spanish language, truckers or taxis.  AM mode with roger beeps, etc (close to noise floor)
27785 USB - Spanish language, weak

1510
26905 AM coming in nicely this afternoon/late morning.  Also active with taxicab traffic are 26925 AM, 26725 AM, 27415 AM, 27425 AM and 27805 AM.  

Hearing a fair amount of English language traffic on the high/low bands (above/below the legal CB band) as well.  Severe fading on several channels indicates sporadic-E propagation.

1511
North American Shortwave Pirate / UNID 6950 AM 1430 UTC 02/18/2016
« on: February 18, 2016, 1438 UTC »
Strong carrier at 6950 kHz AM found while tuning up from VOG on 6925 kHz.  Doesn't seem to be any modulation on the signal (or if there is any, I can't hear it...) but there's been a carrier signal there for at least the past 8 minutes or so.

1452 - Hearing music on this frequency now.  Sounds like a sultry YL signing.  Signal is a bit noisier now
1632 - Still there!  S7 signal, S9 on peaks.  Nice modulation and carrier seems to be right on 6950.0 kHz.  Sounding great, whoever you are :D

1512
10/11 meters / 11 meter DX Logs 17 Febuary 2016 1800 UTC +
« on: February 17, 2016, 1832 UTC »
Band waking up this afternoon.  

26555 LSB - Spanish language, VERY strong signals.  Many reaching S9+40db at peaks
26565 AM - Spanish language
26575 AM - Spanish language, Mexican trucker frequency
26585 AM - Spanish language, busy
26595 AM - Similar to 26575 and 26585
26615 AM - Spanish speaking OM with roger beeeeeeeeeeeep
26655 AM - Spanish language, California and Mexico mentioned
26665 AM - Spanish language
26685 AM - Spanish language
26695 AM - Spanish language
26705 AM - Strong signals, likely from PR
26725 AM - YL Taxicab Dispatcher, Spanish language
26735 AM - Spanish language, heavy QRM
26775 AM - English language, southern US accents, echo fx
26795 AM - YL Taxicab Dispatcher, Spanish language
26805 AM - Spanish language, fading
26855 AM - Spanish language
26905 AM - YL Taxicab Dispatcher, Spanish language
26915 AM - Southern US AM Low Band Freeband Calling Channel "915"
26925 AM - English language, US stations, truckers, etc.  
26945 AM - YL Taxicab Dispatcher, Spanish language
26955 AM - English language, loud audio stations

26965-27405 - US FCC Legal CB Band.  Stations heard on every channel.  SSB heard on 27365, 27385 and 27395 (all LSB)
Very strong pager/data bursts/telemetry heard on 27255 (CB Channel 23).  27185 (CB Channel 19) is so busy, the noise floor is S9!

27415 LSB - English language, US stations
27425 AM - Spanish language, with SSB underneath
27430 USB - Spanish language
27435 LSB - English language, strong
27445 LSB - English language
27455 USB - Spanish language - calling frequency
27470 USB - Spanish language, Mexican accent.  S9+20db strong signal
27475 USB - Spanish language
27485 LSB - English language
27485 USB - Spanish language
27505 LSB - English language, with accent (maybe Caribbean?)
27515 LSB - Caribbean calling frequency.  Active with stations English/Spanish
27540 USB - Spanish language
27555 USB - International Calling Frequency.  
27575 AM - English language, probably truckers
27580 USB - Spanish language, weak
27590 USB - English language, southern accents
27595 USB - Spanish language
27605 AM - Spanish speaking OMs talking.  Likely truckers.  S9 signal with some fading
27635 AM - English language, likely truckers
27645 USB - Spanish language
27665 USB - Spanish language
27675 USB - Spanish language
27690 USB - Spanish language
27700 USB - SSTV (weak)
27705 AM - Spanish language
27725 USB - Spanish language


1513
26645 AM, 26725 AM, 26905 AM, 26945 AM and 27515 AM are booming in nicely this morning with female taxi dispatchers reading lots of numbers in Spanish.  The other usual frequencies that are heard during a band opening are waking up as well.  26725 AM is active with a YL reading numbers to OM taxi drivers.  This frequency is usually difficult to receive due to heavy QRM from high power signals on 26705 AM and 26715 AM.  

1514
10/11 meters / 11 meter DX Logs 16 Febuary 2016 2200 UTC +
« on: February 16, 2016, 2224 UTC »
Later afternoon/evening logs:

25000 AM WWV sounding nice at 2212 UTC.

11m freeband logs.  Starting with just 25-26 MHz for now.  

25825 AM - Spanish language, music and noise toys in background
25865 AM - Spanish language, YL dispatcher reading numbers (likely a taxi dispatch company)
25950 FM - STL signal heard, right at noise level but fading in and out
26065 AM - Spanish language
26105 AM - Spanish language
26225 USB - Spanish language, this frequency is often logged during band openings
26235 USB - Spanish language.  "Lincoln High School" and "New Jersey" mentioned (in English)
26375 AM - Spanish language, several stations transmitting at once.  Several S9+ signals QRMing each other.  
26395 AM - Similar to 26375 AM
26475 LSB - Spanish language, OM complaining about his job, working conditions etc
26485 AM - Spanish language
26525 AM - Spanish language
26535 AM - Spanish language
26545 LSB - Spanish language, several stations transmitting at once.  Strong signals
26555 LSB - Spanish language.  Like 26225 USB, this frequency is often logged during band openings.  Calling frequency Latin America
26565 LSB - Spanish language
26575 AM - Spanish language.  Sounds like truckers with music, echo/reverb, noise toys etc
26585 AM - Very busy.  Mexican trucker/AM DX Calling Frequency.  Very busy with noise toys, QRM, roger beeps, everything
26595 AM - Similar to 26585 AM and 26575 AM
26605 AM - Spanish language.  More QRM, noise toys echo reverb (likely also truckers, etc)
26635 AM - Spanish language
26715 AM - Somebody playing with echo FX.  The usual super strong signals that occupy this freq and 26705/26725
26765 AM - Spanish language
---26965-27405 Legal 40 CB Channel Legal CB Band "Mid Band"---

27415 AM - Spanish language.  Sounds like a taxi dispatcher with roger beep
27425 LSB - English language
27430 USB - Spanish language
27435 USB - Spanish language, with AM het in the background.  Likely a weak AM signal on this frequency
27440 LSB - English language
27445 LSB - English language, operators discussing selling radio equipment, amplifiers, etc
27455 USB - Latin American SSB Calling Channel.  El Salvador, Cuba, Mexico, several other countries heard.  Very busy frequency
27465 USB - Spanish language
27470 USB - English language
27475 USB - Spanish language
27505 LSB - Spanish language, strong signals
27510 USB - Spanish language
27535 USB - Spanish language, with roger beeps, S9++ busy
27545 USB - 3AT140 Brazil calling CQ DX requesting QSY for receiving stations
27555 USB - International SSB Calling Channel.  Busy, mostly Spanish language
27560 USB - Spanish language, another station calling "CQ Pacific and listening, over"
27570 USB - Spanish language, weak
27575 USB - Spanish language
27625 LSB - Spanish language, getting obliterated by strong OTH Radar signals
27635 AM - English language - truckers talking about paperwork and cash
27640 USB - Spanish language
27645 USB - Spanish language, strong signals
27655 USB - Spanish language with echo/reverb
27665 USB - Spanish language, another commonly logged frequency
27675 USB - Spanish language
27690 LSB - Spanish language
27695 LSB - Spanish language
27760 USB - Brazilian station working unreadable station
27795 USB - Spanish language
27805 USB - Spanish language, Venezuela mentioned
27845 AM - Spanish language, weak
27855 USB - Spanish language, music and OMs talking
27915 AM - English language, likely truckers
27935 AM - "I can see them up here now", probably also truckers

1515
10/11 meters / 11 meter DX Logs 14 Febuary 2016 1900 UTC +
« on: February 14, 2016, 1955 UTC »
RX equipment:  random wire antenna + tuner or 1/2 wave dipole cut for ~26.5 MHz.  Voyage VR9000 (made by Ranger/RCI, same radio as Superstar 3900-F or Galaxy DX 88).  CRE 8900 (aka Alinco DR-10/DR-135CB/DR-135UK).  Galaxy DX 959 with RX section mods, Lescomm 120 channel frequency board (26515-26955, 26965-27405, 27415-27855), Icom IC-707, Grundig G3, Cobra 29XLR (858 PLL board)

Should be noted that these radios show different S-meter readings.  The CRE 8900 generally shows a S4 to S5 level noise floor and the Galaxy 959 will show a S1 to S2 noise floor on the same antenna, same conditions, same time etc.  

See the 02/13/2016 log thread for more info:  http://www.hfunderground.com/board/index.php/topic,26333.0.html


Logs

The 25615-26065 band (usually "Band A" on export radios) was empty this go-around.  Note the out-of-sequence channel numbering for channels 23, 24 and 25.  This is due to the original 23-channel CB band having channel 22 be 27225 and then 23 at 27255.  When CB was expanded to 40 channels, they "filled in" the two channel space between 27225 and 27255 with channels 24 and 25.

26225 USB - Spanish language.  This is a common SSB "low band" frequency.  Similar to 26555 LSB but usually with less QRM
26235 USB - Spanish language, similar to 26225 USB
26240 USB - Spanish language
26305 AM - Spanish language, very strong OTH Radar over the signals, moving up and down the band
26375 AM - Spanish language, several stations at once.  Roger beeps, echo, pretty messy.
26395 AM - Similar to 26375 AM
26475 AM - Spanish language
26500 USB - Spanish language.  Haven't logged this frequency in a bit.  
26525 LSB - Spanish language OMs talking, weak
26530 LSB - Spanish language, with QRM from 26535 AM
26535 AM - Spanish language, fading
26540 LSB - Spanish language, likely QSYed from 26555 LSB
26545 LSB - Spanish language, likely QSYed from 26555 LSB
26555 LSB - Spanish language traffic heard, Mexican, South American and Caribbean stations heard.  
26565 AM - Spanish language, weak with roger beeps and music at noise floor
26575 AM - Spanish language, Mexican accents. Echo/reverb and noise toys, etc. Similar to 26585 AM
26585 AM - "Low Band" AM Calling Channel for Latin America.  "Down one band" from Channel 7 27035, which is used for similar purposes
26595 AM - Spanish language, fading
26615 AM - S9+30 level signal, Puerto Rico mentioned
26625 AM - OM talking (Spanish language) with echo and elaborate roger beeps, almost sound like DTMF bursts.  Solid S9 signal
26645 AM - YL Taxicab Dispatcher (Spanish language)
26705 AM - Latin American version of 27025 "The Superbowl".  Extends down to 26685 and up to 26735.
26715 AM - Puerto Rican LOUD stations, full scale splattering up and down several channels.  Distorted/overmodulated signals.
26725 AM - Similar to 26725, battling strong bleedover/splatter from 26715 signals
26735 AM - Spanish language, with QRM/bleedover from 26715
26775 AM - English language, Florida and Georgia mentioned.  Still hearing the guy on 26715.  Talk about a dirty transmitter!
26825 AM - English language, station giving signal report
26885 AM - Spanish language, weak with fading.  OM with roger beeps
26905 AM - YL Taxicab Dispatcher (Spanish language).  Weaker than usual
26915 AM - US AM DX Calling Channel.  Channel "36C" or "channel 36 down one band" 27365-450 = 26915
26945 AM - Spanish language, possibly taxi drivers
26955 AM - English language, truckers?  Talking about drivers
----begin US CB Band "Legal 40", "Mid band" or "CEPT band" 26965-27405 in 10 kHz steps----
26965 AM - CB CH01 - Spanish language, very busy.  S9 noise/het level.  Very messy
26975 AM - CB CH02 - Spanish language with single short roger beep.  S7 to S9 signal.  
26985 AM - CB CH03 - English language heard, possibly truckers.  Very noisy channel (they all are - especially in the legal CB band...)
26995 AM - R/C Channel "3A" - Spanish language traffic just above noise floor.   Roger beeps/music heard.
27015 AM - CB CH05 - Spanish language.  Similar to 26585/26705.  27015 and 27035 are like 27025 but in Spanish...La
27025 AM - CB CH06 - English language.  The Superbowl.  Lots of signals, some of them full scale S9+30
27035 AM - CB CH07 - Similar to Channel 5, 27015.  Spanish language, really just a big pile of QRM and roger beeps
27045 AM - R/C Channel "7A" - Spanish language, similar to 26995.  Roger beeps, QRM/bleedover from 27035 and 27065
27065 AM - CB CH09 - Spanish language - Latin American AM Calling Channel.  Similar to 26705, 26715, etc
27075 AM - CB CH10 - YL dispatcher reading numbers with short roger beep.  Heavy interference from 27065 bleedover
27085 AM - CB CH11 - The original "AM Calling Channel" from back in the 23 channel CB days.  Similar to 27025 Channel 6
27095 AM - R/C Channel "11A" - YL taxi dispatch lady - Spanish language, with heavy QRM from 27085 stations
27125 AM - CB CH14 "Wish I could...give me another clue".  S9+30 level signals.  
27145 AM - R/C Channel "15A" - Pulsing data signal.  Sounds better in FM
27165 AM - CB CH17 - Truckers
27185 AM - CB CH19 - Truckers, lots of stations talking over each other.  S3-S4 noise level with all the signals
27235 AM - CB CH24 - YL Taxi Dispatch Lady with single short roger beep.  Solid S9 signal.
27245 AM - CB CH25 - Spanish language, fading
27255 AM - CB CH23 - Several QSOs heard at once.  English/Spanish language.  Some bleedover from strong station on 27265
27265 AM - CB CH26 - AM CB DX "Shoutout" or "Shootout" Channel.  Similar to CH11 - 27085.  High powered signals
27275 AM - CB CH27 - YL Speaking Spanish
27285 AM - CB CH28 - AM CB DX Channel, similar to 27265
27295 AM - CB CH29 - Puerto Rican station (with roger beep) having QSO with another station that I can't hear.  S9+20db
27335 AM - CB CH33 - English language, unknown locations
27345 AM - CB CH34 - Spanish language, noisy, S5 signal
27385 LSB - CB CH38 - North America SSB CB DX Calling Channel, active with several stations
27395 LSB - CB CH39 - English language, southern accents
27400 LSB - Not a legal CB channel - in between 39 and 40 - English language QSO on-going with QRM from 27405 AM
27405 AM - CB CH40 - Spanish language with roger beeps
----end US CB Band "Legal 40" "Mid band" or "CEPT band" 26965-27405 in 10 kHz steps----
27415 USB - Spanish speaking OM talking, just above noise level
27425 USB - Spanish language, weak and noisy
27430 USB
27445 USB - Spanish language, roger beeps, etc heard
27450 USB - Spanish language
27455 USB - Latin American SSB DX Calling Frequency.  Very active.  Similar to 26555 LSB.  Venezuela, Mexico, Puerto Rico, Dominican Republic heard
27475 USB - Spanish language, several stations talking at once.  S9++ signals nice audio
27495 AM - Spanish language, YL taxi dispatch talking to taxi drivers
27505 USB - Spanish language - YL reading numbers.  Not in AM mode though!  OM talking to back to YL station
27535 USB - Spanish language, Mexican accents.  Roger beeps, noise toys, etc heard, AM traffic on frequency as well
27535 AM - Spanish language, OM talking with roger beep.  With SSB QRM
27547 USB - Spanish language (yes, the frequency is 27547...)
27555 USB - International SSB DX Calling Frequency.  English and Spanish heard.  
27590 USB - Spanish language, getting slammed by OTH Radar
27600 USB - English language with accent, S9+30 signal.  OM talking about his wife motivated him to lose weight.  Very loud signal.
27635 USB - Spanish language, more OTH Radar
27675 LSB - Spanish language
27695 LSB - Spanish language
27705 USB - Spanish language
27710 USB - Spanish language, with "woodpecker" sounding radar on top (several channels up and down)
27715 USB - Spanish language, even stronger OTH Radar, Radar signal follows several beeps (radar "IDing" itself?)
27745 LSB - Spanish language, strong signals S9+
27785 LSB - Spanish language, weak
27790 USB - Spanish language
27805 LSB - Spanish language, weak.  No sign of the usual YL taxi dispatcher on 27805 AM
27815 AM - Weak AM carrier on this frequency.  Have logged taxi dispatch lady here several times.
27825 USB - Spanish language.  Nice sounding audio, S5 signal on a clear frequency low noise floor
27840 USB - Spanish language with "warble" QRM (possibly data)
27855 USB - Spanish language
27905 USB - Spanish language
27935 USB - Spanish language with AM carrier het in the background

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