We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

Author Topic: Asian Fishermen Fishery Chatter “Snapshot” Via G8JNJ SDR 27 Nov 2024  (Read 196 times)

Offline R4002

  • DXing Phenomena
  • *******
  • Posts: 3068
    • View Profile
    • R4002 - YouTube Videos
Via G8JNJ SDR

27 November 2024
11/27/2024
27.11.2024

Via Wessex webSDR - G8JNJ SDR

Asian fishery radio comms fishing fleet radio network 27.5 MHz - 39.5 MHz
12.5 kHz or 25 kHz spacing
Single frequency simplex
FM voice, carrier squelch - CSQ
No tone squelch
No PL / DPL
300 baud or 1200 baud in-band signaling for selective calling, ship to ship calling, fleet call, group call, GPS location broadcast, location request, ack - acknowledge and radio check function.  1/4 wave ground plane type antennas are standard with antenna tuning unit (automatic antenna matcher / antenna tuner) included as part of the radio.

25w output (some radios’ specs are for 30w output). 

11K0F3E / 11K0F1D / 11K0F2D in 12.5 kHz spacing - listed as 11K0G3E - 11K0G1D - 11K0G2D in 12.5 kHz channel “export mode”. 

16K0F3E / 16K0F1D / 16K0F2D - listed as 16K0G3E - 16K0G1D - 16K0G2D normal 25 kHz channel steps (standard Chinese legal 480 channel mode).

  Dedicated fisheries radiotelephone 27.500 MHz 39.500 MHz 39.475 MHz 39.4875 MHz FM NFM [CSQ].

Calling channels
Channel 221 - 32.875 MHz FM
Channel 231 - 33.100 MHz FM
Channel 236 - 33.225 MHz FM
Channel 238 - 33.275 MHz FM


Logs
1105 UTC - 1115 UTC

29.7125 MHz FM [CSQ]
29.7250 MHz FM [CSQ]
29.7500 MHz FM [CSQ]
29.7750 MHz FM [CSQ]
29.8250 MHz FM [CSQ]
29.8750 MHz FM [CSQ]
29.9125 MHz FM [CSQ]
29.9250 MHz FM [CSQ]
29.9625 MHz FM [CSQ]
29.9750 MHz FM [CSQ]
29.9875 MHz FM [CSQ]
30.0750 MHz FM [CSQ]
30.1250 MHz FM [CSQ]
30.3000 MHz FM [CSQ]
30.4125 MHz FM [CSQ]
30.5000 MHz FM [CSQ]
30.5250 MHz FM [CSQ]
30.5500 MHz FM [CSQ]
30.7750 MHz FM [CSQ]
30.8000 MHz FM [CSQ]
30.8125 MHz FM [CSQ]
30.9000 MHz FM [CSQ]
31.0000 MHz FM [CSQ]
31.0250 MHz FM [CSQ]
31.1000 MHz FM [CSQ]
31.2250 MHz FM [CSQ]
31.4000 MHz FM [CSQ]
31.6125 MHz FM [CSQ]
31.6250 MHz FM [CSQ]
31.6625 MHz FM [CSQ]
31.7875 MHz FM [CSQ]
31.8000 MHz FM [CSQ]
31.8125 MHz FM [CSQ]
31.8750 MHz FM [CSQ]
31.9000 MHz FM [CSQ]
32.0000 MHz FM [CSQ]
32.0125 MHz FM [CSQ]
32.0375 MHz FM [CSQ]
32.0875 MHz FM [CSQ]
32.1000 MHz FM [CSQ]
32.2000 MHz FM [CSQ]
32.2125 MHz FM [CSQ]
32.2375 MHz FM [CSQ]
32.5000 MHz FM [CSQ]
32.9000 MHz FM [CSQ]
32.9750 MHz FM [CSQ]
32.9875 MHz FM [CSQ]
33.0000 MHz FM [CSQ]
33.0000 MHz FM [CSQ] - Fax bursts
33.0500 MHz FM [CSQ]
33.1000 MHz FM [CSQ]
33.1000 MHz FM [CSQ] - Data bursts
33.2000 MHz FM [CSQ]
33.2750 MHz FM [CSQ]
33.7500 MHz FM [CSQ] - Data bursts
33.8000 MHz FM [CSQ] - Data bursts
33.8875 MHz FM [CSQ]
33.8500 MHz FM [CSQ] - Data bursts


Logs
1155 UTC - 1205 UTC


29.7500 MHz FM [CSQ]
29.8250 MHz FM [CSQ]
29.8875 MHz FM [CSQ]
29.9750 MHz FM [CSQ]
30.0250 MHz FM [CSQ] with QRM from paging signals on 30.020 MHz FM
30.5000 MHz FM [CSQ]
30.6000 MHz FM [CSQ]
30.6750 MHz FM [CSQ]
30.7000 MHz FM [CSQ]
30.7875 MHz FM [CSQ]
30.8000 MHz FM [CSQ]
30.8125 MHz FM [CSQ]
31.1000 MHz FM [CSQ]
31.1125 MHz FM [CSQ]
31.1250 MHz FM [CSQ] with QRM from 31.120 MHz FM - US LMR business comms 31.12MHz FM
31.2250 MHz FM [CSQ]
31.2375 MHz FM [CSQ]
31.2875 MHz FM [CSQ]
31.3000 MHz FM [CSQ]
31.3375 MHz FM [CSQ]
31.4375 MHz FM [CSQ]
31.4500 MHz FM [CSQ]
31.4750 MHz FM [CSQ]
31.6000 MHz FM [CSQ]
31.6250 MHz FM [CSQ]
31.7000 MHz FM [CSQ]
31.8125 MHz FM [CSQ]
31.8250 MHz FM [CSQ]
31.9625 MHz FM [CSQ]
32.0125 MHz FM [CSQ]
32.2125 MHz FM [CSQ]
32.2750 MHz FM [CSQ]
32.5125 MHz FM [CSQ]
32.6125 MHz FM [CSQ]
32.6625 MHz FM [CSQ]
32.6875 MHz FM [CSQ]
32.7750 MHz FM [CSQ]
32.8500 MHz FM [CSQ]
32.8875 MHz FM [CSQ]
32.9125 MHz FM [CSQ]
32.9500 MHz FM [CSQ]
33.0000 MHz FM [CSQ]
33.0250 MHz FM [CSQ]
33.0375 MHz FM [CSQ]
33.0500 MHz FM [CSQ]

Logs
1230 UTC - 12xx UTC

29.7500 MHz FM [CSQ]
29.8250 MHz FM [CSQ]
29.8875 MHz FM [CSQ]
29.9750 MHz FM [CSQ]
30.0250 MHz FM [CSQ] with QRM from paging signals on 30.020 MHz FM
30.0375 MHz FM [CSQ]
30.1750 MHz FM [CSQ] with QRM from frequent data bursts on 30.175MHz
30.3500 MHz FM [CSQ]
30.4125 MHz FM [CSQ]
30.4500 MHz FM [CSQ]
30.4750 MHz FM [CSQ]
30.5000 MHz FM [CSQ]
30.7750 MHz FM [CSQ]
30.8125 MHz FM [CSQ] - very busy
31.0750 MHz FM [CSQ]
31.1750 MHz FM [CSQ] with QRM from U.S. land mobile comms on 31.180 MHz FM
31.1875 MHz FM [CSQ] with QRM from U.S. land mobile comms on 31.18 MHz FM
31.3375 MHz FM [CSQ]
31.4000 MHz FM [CSQ]
31.4375 MHz FM [CSQ]
31.5000 MHz FM [CSQ]
31.8250 MHz FM [CSQ]
31.9000 MHz FM [CSQ]
31.9750 MHz FM [CSQ] with QRM from EPAR data link bursts
32.1375 MHz FM [CSQ]
32.1750 MHz FM [CSQ]
32.5125 MHz FM [CSQ] with severe QRM from OTH radar
32.6500 MHz FM [CSQ]
32.8500 MHz FM [CSQ]
33.0000 MHz FM [CSQ] with heavy QRM from fax signal (data stream)
33.1000 MHz FM [CSQ] with QRM from U.S. LMR comms and data bursts
33.4250 MHz FM [CSQ] with QRM from military comms on same frequency
33.4375 MHz FM [CSQ]
33.6000 MHz FM [CSQ]
33.6375 MHz FM [CSQ]
33.6875 MHz FM [CSQ]
33.7125 MHz FM [CSQ] with QRM from U.S. fire dispatch on 33.720 MHz FM
33.7750 MHz FM [CSQ]
« Last Edit: November 27, 2024, 1239 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

 

HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns