JR4BCD — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JR4BCD, decoded by SO8OO in southeastern Poland. 99 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-11 and 2026-08-06.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
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Overview
Frequent QSO partners observed at SO8OO
Stations JR4BCD worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by JR4BCD
Approximate centre of PM54, decoded 2026-07-30 22:02 UTC. A transmitted locator is not proof of the operator's permanent location.
Observed FT8 exchanges
S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.
| Time UTC | Band | JR4BCD S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-06 20:17 | 80m | - / -15 | Z62NS | +8 / - | 2 | ✓ Closing fragment |
| 07-15 17:39 | 20m | - / -5 | US5HL | +6 / - | 3 | ✓ Closing fragment |
| 07-15 17:36 | 20m | -10 / - | PA3KUS | - / -9 | 2 | ✓ Closing fragment |
| 07-15 17:36 | 20m | - / -7 | EA7ALL | +12 / - | 4 | ✓ Closing fragment |
| 07-15 17:36 | 20m | - / -15 | F4FSY | -15 / - | 3 | Partial capture |
| 07-15 17:35 | 20m | -11 / - | S09S | +3 / - | 2 | ✓ Closing observed |
| 07-15 17:14 | 20m | -5 / - | ZC4RH | - / -18 | 5 | ✓ Closing fragment |
| 07-13 18:08 | 20m | - / -18 | US5HL | -10 / - | 2 | Partial capture |
| 07-13 18:06 | 20m | - / -20 | ON6AA | +4 / - | 6 | ✓ Closing fragment |
| 07-13 17:55 | 80m | - / -16 | RA3QUA | +5 / - | 2 | ✓ Closing fragment |
| 07-07 19:59 | 20m | - / - | DL9KM | -12 / - | 2 | Partial capture |
| 07-07 19:56 | 20m | - / -4 | R4FDW | -10 / - | 2 | Partial capture |
| 07-06 18:54 | 40m | - / - | EA5GS | -9 / - | 3 | Partial capture |
| 06-18 19:07 | 40m | - / -15 | RU6CH | 0 / - | 2 | ✓ Closing fragment |
| 06-15 19:22 | 40m | - / - | RN6HK | 0 / - | 3 | Partial capture |
| 06-15 19:19 | 40m | - / -10 | YU7AS | +8 / - | 2 | Partial capture |
| 06-14 20:22 | 40m | - / - | R4FV | -8 / - | 2 | Partial capture |
| 06-12 20:03 | 20m | +4 / - | S09S | - / - | 2 | Partial capture |
| 06-12 19:57 | 20m | +3 / - | D4OL | - / - | 6 | Partial capture |
| 06-12 19:51 | 20m | - / - | DG8MPI | +8 / - | 3 | Partial capture |
| 06-12 19:51 | 20m | +2 / - | D4OL | - / - | 6 | Partial capture |
| 06-12 19:43 | 20m | - / - | DL5MFS | -3 / - | 15 | Partial capture |
| 06-12 19:38 | 20m | - / - | DG8MPI | +4 / - | 8 | Partial capture |
| 06-12 19:33 | 20m | +3 / - | D4OL | - / - | 25 | Partial capture |
| 06-10 08:26 | 10m | - / -16 | 9H4JX | -8 / - | 2 | Partial capture |
| 06-04 18:52 | 80m | - / - | UA4FKT | 0 / - | 4 | Partial capture |
| 05-27 21:27 | 20m | +6 / - | ZD8KX | - / - | 2 | Partial capture |
| 05-27 20:48 | 20m | +6 / - | ZB2JK | - / - | 2 | Partial capture |
| 05-27 20:45 | 20m | +6 / - | ZB2JK | - / - | 2 | Partial capture |
| 05-27 20:22 | 20m | -4 / - | ZD8KX | - / - | 4 | Partial capture |
| 05-27 20:10 | 20m | 0 / - | ZD8KX | - / - | 9 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 185215 +6 1658 JR4BCD UA4FKT LO23 (x4) 200100 +2 2038 JR4BCD IS0LAY JM49 175530 +4 1221 JR4BCD RA3QUA -16 (x2) 201715 +8 915 JR4BCD Z62NS -15 (x2)
UTC dB Audio Message 173630 -14 1905 JR4BCD F4FSY -15 173630 +11 2919 JR4BCD EA7ALL IM88 173645 -8 2920 PA3KUS JR4BCD -09 (x2) 173730 +12 2919 JR4BCD EA7ALL IM88 (x2) 173830 -16 1905 JR4BCD F4FSY -13 173830 +10 2920 JR4BCD EA7ALL RR73 173900 -2 2921 JR4BCD R7IW LN35 173900 +5 522 JR4BCD US5HL -05 (x3) 174130 -2 2909 JR4BCD R6DJR -09 205200 -12 2953 <...> JR4BCD PM54 220245 -8 2918 7X2KF JR4BCD PM54
UTC dB Audio Message 191945 +8 2713 JR4BCD YU7AS -10 (x2) 192215 +0 2435 JR4BCD RN6HK LN14 (x3) 190430 -7 1854 JR4BCD YT1VDA -14 190630 -14 918 JR4BCD RC9WC -04 190700 -9 700 JR4BCD RA5AK -09 190700 -1 968 JR4BCD RU6CH -15 (x2) 185430 -9 2586 JR4BCD EA5GS IM99 185430 -17 2171 JR4BCD YO8RQP KN37 185430 -7 1353 JR4BCD YT6AAA RR73 185530 -10 2586 JR4BCD EA5GS IM99 (x2)
UTC dB Audio Message 082600 -9 2154 JR4BCD 9H4JX -16 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.