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Author Topic: 26-30 MHz Paging Signals Received At Different Times [G8JNJ SDR] 31 May 2024  (Read 203 times)

Offline R4002

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UK based SDR receiver

Logs

Time Frame:  1030 UTC / 1130 local time to 1115 UTC / 1215 local time

26.200 MHz 26200 kHz 26,200 kHz - POCSAG bursts first noted at 1110 UTC
26.350 MHz 26350 kHz 26,350 kHz - POCSAG paging signals, heavy QRM from CODAR, very active as time went on
26.670 MHz 26670 kHz 26.670 kHz - POCSAG paging signals noted around 1050 UTC
26.695 MHz 26695 kHz 26,695 kHz - Busy with POCSAG
26.745 MHz 26745 kHz 26,745 kHz - POCSAG paging signals appearing around 1100 UTC
26.750 MHz 26750 kHz 26,750 kHz - POCSAG paging, narrowband (sporadic)
26.755 MHz 26755 kHz 26,755 kHz - POCSAG signals - sporadic activity
26.800 MHz 26800 kHz 26,800 kHz - Sporadic POCSAG bursts, mostly 6-7 kHz wide BW signals
26.900 MHz 26900 kHz 26,900 kHz - POCSAG pager signals - 26.9 MHz is often very active, first noted around 1055 or 1100 UTC
26.950 MHz 26950 kHz 26,950 kHz - Data bursts, 26.95MHz 26950kHz data link
27.080 MHz 27080 kHz 27,080 kHz - Data bursts, previously noted on this freq 27080kHz, UNID source
27.255 MHz 27255 kHz 27,255 kHz - Data bursts and narrowband POCSAG paging (RCRS frequency in USA, 25w power limit)
27.300 MHz 27300 kHz 27,300 kHz - Pager signals - POCSAG - first noted at 1105 UTC
27.350 MHz 27350 kHz 27,350 kHz - Pager signals POCSAG paging, similar to 27.300 MHz, 27.360 MHz, 26.900 MHz, etc.
27.360 MHz 27360 kHz 27,360 kHz - POCSAG signals, first started fading up after 1110 UTC
27.450 MHz 27450 kHz 27,450 kHz - Data links and paging, first noted at 1115 UTC (weak at that time)
27.505 MHz 27505 kHz 27,505 kHz - Nearly constant paging signals - POCSAG - 12.5 kHz bandwidth, 14-15 kHz bandwidth signals
27.550 MHz 27550 kHz 27,550 kHz - POCSAG paging signals - sporadic activity
27.650 MHz 27650 kHz 27,650 kHz - POCSAG pager bursts, sporadic
27.760 MHz 27760 kHz 27,760 kHz - Data link, approx 10 kHz wide - MFSK signals  (weak at 1115 UTC)
27.845 MHz 27845 kHz 27,845 kHz - POCSAG paging signals, various bandwidth signals - 5-6 kHz, 8-10 kHz bandwidth
27.847 MHz 27847 kHz 27,847 kHz - POCSAG paging signals, offset frequency 27.848MHz 27.8475 MHz
27.850 MHz 27850 kHz 27,850 kHz - POCSAG paging signals, similar to 27.845 MHz


Time Frame:  1400 UTC / 1500 local time to 1430 UTC / 1530 local time

26.220 MHz 26220 kHz 26,220 kHz - Paging signals (narrowband, 5-6 kHz BW) and wide band POCSAG signals
26.300 MHz 26300 kHz 26,300 kHz - Data bursts, some POCSAG and other non-POCSAG signals
26.350 MHz 26350 kHz 26,350 kHz - Sporadic paging noted at 1427 UTC.  FM carrier on frequency underneath paging signals
26.500 MHz 26500 kHz 26,500 kHz - POCSAG pager signals, sporadic signals
26.605 MHz 26605 kHz 26,605 kHz - POCSAG signals, first noted at 1417 UTC - wideband POCSAG noted here
26.615 MHz 26615 kHz 26,615 kHz - Data bursts, weak - some CB radio QRM in FM and AM modes
26.650 MHz 26650 kHz 26,650 kHz - Paging signals, POCSAG (various bandwidths noted) - weak, but there
26.670 MHz 26670 kHz 26,670 kHz - Pager signals - weak, sporadic use
26.705 MHz 26705 kHz 26,705 kHz - Unusual data signals, POCSAG bursts
26.735 MHz 26735 kHz 26,735 kHz - Paging signals noted at 1430 UTC
26.745 MHz 26745 kHz 26,745 kHz - POCSAG signals, signals on top of each other at points
26.755 MHz 26755 kHz 26,755 kHz - POCSAG bursts, sporadic
26.785 MHz 26785 kHz 26,785 kHz - POCSAG bursts, various signal strengths noted (some FM CB radio QRM)
26.815 MHz 26815 kHz 26,815 kHz - POCSAG pager signals, active, similar to 26.900 MHz and 26.835 MHz
26.835 MHz 26835 kHz 26,835 kHz - POCSAG bursts, active frequency (some FM CB radio QRM)
26.885 MHz 26885 kHz 26,885 kHz - Data bursts and POCSAG paging signals (relatively sporadic)
26.900 MHz 26900 kHz 26,900 kHz - Very busy paging frequency, various signal strengths - POCSAG and other modes noted
26.925 MHz 26925 kHz 26,925 kHz - Data bursts, AFSK mode
26.950 MHz 26950 kHz 26,950 kHz - POCSAG paging signals, sometimes getting clobbered by data QRM
26.955 MHz 26955 kHz 26,955 kHz - Data bursts, various types noted
27.195 MHz 27195 kHz 27,195 kHz - Data bursts, MFSK bursts and others
27.255 MHz 27255 kHz 27,255 kHz - Data bursts (possibly RCRS [Part 95C] data links, 25 watt power limit)
27.300 MHz 27300 kHz 27,300 kHz - POCSAG paging signals
27.360 MHz 27360 kHz 27,360 kHz - POCSAG paging signals - well known on this frequency (look and sound identical to 26.900MHz, 27.300 MHz)
27.450 MHz 27450 kHz 27,450 kHz - FM carriers on frequency (idle signal) - data bursts and POCSAG signals
27.475 MHz 27475 kHz 27,475 kHz - Data bursts and narrowband paging signals
27.505 MHz 27505 kHz 27,505 kHz - Still busy with paging signals (POCSAG) and other data signals - various bandwidth
27.845 MHz 27845 kHz 27,845 kHz - Active with POCSAG signals, considerably weaker than earlier today
« Last Edit: May 31, 2024, 1434 UTC by R4002 »
U.S. East Coast, various HF/VHF/UHF radios/transceivers/scanners/receivers - land mobile system operator - focus on VHF/UHF and 11m

 

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