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Author Topic: 6900 kHz LSB Spanish Speaking Freebanders 0220+ UTC 22 Dec 2017  (Read 420 times)

Offline R4002

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6900 kHz 6.900 MHz 6.9 MHz 6900 LSB Spanish SS speakers 6900 LSB Spanish voices 6.900 MHz Spanish operators UNID Spanish Language 6900 kHz LSB freebander net outbander net pirate radio frequency 6900 kHz 6765-7000 kHz 43 meters 40 meters 7 MHz illegal operations

VERY strong signals this evening, some of these stations are S9+30db while others are barely moving the S-meter.  Checked several East Coast USA SDRs and the same QSO can be heard all up and down the US coast.  This is widely known as the frequency for North America for 43 meter freeband or outband operators.  Ham radio operators have also been heard here.  There are several legal fixed and mobile radio services in Latin America in the 6765 to 7000 kHz range, but what's usually heard on 6900 kHz LSB is unlicensed bootleg freebander pirate radio chatter.  It can often get very busy....often with stations QSYing to 6900 kHz USB and/or going 5 kHz up or down from 6900 kHz as their starting frequency (6905 kHz, 6895 kHz, etc).  This is very SSB CB-like (the use of 5 kHz steps, sometimes switching to the opposite sideband as a way to escape QRM, etc).

0221 UTC - mention of Dominican Republic (by the stronger of the stations, can hear him unkeying his microphone)
0222 UTC - more discussion of conditions in the Republica Dominicana / Dominican Republic
0223 UTC - seems to only be two stations talking now, mention of San Antonio
0225 UTC - "thank you very much Robert" - seems like a signal report (a very positive one) - Alberto and Carlito also heard
0225 UTC - several other names heard, so there are more than two stations on frequency now.  Ragchew roundtable QSO
0226 UTC - roundtable QSO continues.  Very much like HF amateur radio or SSB 11 meter freeband operators, these guys are professional
0227 UTC - mention of "team 350" (rough translation) several other 3-digit numbers heard
0228 UTC - a weaker station is now on frequency, very difficult to copy what he's saying...
0229 UTC - "Hector" mentioned..."Alberto" - these operators are referring to each other by first names
0231 UTC - discussion of band conditions and conditions on this frequency, another mention of "San Antonio"
0231 UTC - QRM from chatter on 6897 kHz USB now, however stations on 6897 USB are much weaker
0233 UTC - mention of interference (likely from 6897 USB) and strong station wishing other stations a Merry Christmas
0235 UTC - "thank you very much Hector" - for good wishes, then "good night" also at 0235 UTC
0235 UTC - QRM continues, carrier or test tone on 6897.8 kHz for a second or so
0236 UTC - other stations continue chatting, however the strongest station appears to have gone QRT
0238 UTC - no further sign of QRM or interference, the remaining stations continue roundtable/ragchew style QSO
0239 UTC - much stronger station appears (back) on frequency...seems to be the same station that signed off at 0235
0240 UTC - signal report "muy fuerte" (very strong), mention of "plus 20" and Enrique, several signal reports given
0241 UTC - band conditions and signal report discussion continues 
0244 UTC - somebody dropped a very strong carrier on 6900 kHz, obvious VFO swishing around the 6800 to 7000 kHz area
0245 UTC - much weaker station joins frequency, just above noise level, then another VFO swoosh
0247 UTC - QSO continues
« Last Edit: December 22, 2017, 0248 UTC by R4002 »
U.S. East Coast, various HF/VHF/UHF radios/scanners/receivers

Offline KaySeeks

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Re: 6900 kHz LSB Spanish Speaking Freebanders 0220+ UTC 22 Dec 2017
« Reply #1 on: December 22, 2017, 0629 UTC »
6765-7000 kHz 

I was up late and listening via an SDR in southern Brazil from 0600-0615 UTC and still plenty of activity in the frequency range above.
Just somebody with a radio, a computer and a pair of headphones...

Offline R4002

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Re: 6900 kHz LSB Spanish Speaking Freebanders 0220+ UTC 22 Dec 2017
« Reply #2 on: December 22, 2017, 1353 UTC »
I know Brazilian Civil Defense uses 6951 kHz USB and there are several “Rural Radiotelephone” link systems in Latin America in the 6765 kHz to 7000 kHz range too. 

Chances are you were hearing both legal and freebander traffic, especially at those hours!
U.S. East Coast, various HF/VHF/UHF radios/scanners/receivers