OK1TRJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Czech Republic Locator transmitted in a decoded message: JN79

Receiver-side FT8 activity involving OK1TRJ, decoded by SO8OO in southeastern Poland. 731 related FT8 messages, 215 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-05-31 and 2026-08-14.

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

731

Related messages

215

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-05-31
Last seen: 2026-08-14 23:02 UTC

Frequent QSO partners observed at SO8OO

Stations OK1TRJ worked most often, as logged from our receiver:

F5RRS · France ×3 DD0AM · Fed. Rep. of Germany ×3 IQ4JO · Italy ×2 DL3XRZ · Fed. Rep. of Germany ×2 F1PBZ · France ×2 OJ0MN · Market Reef ×2 9J2FI · Zambia ×2 EA8AR · Canary Islands ×2 SN5J · Poland ×2 F4SNF · France ×2 OH6FSO · Finland ×2 LZ1ZF · Bulgaria ×2

Activity Heatmap

Locator transmitted by OK1TRJ

Approximate centre of JN79, decoded 2026-08-10 17:40 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	OK1TRJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 01:01	20m	- / -18	9K2OW	-14 / -	2	✓ Closing fragment
08-10 17:40	40m	-20 / -	RL2F	- / +10	2	Partial capture
08-10 17:37	40m	-9 / -8	UR7FM	-2 / +9	8	✓ Full exchange observed
08-09 23:29	80m	+3 / +7	IV3FSG	+18 / -	3	Partial capture
08-09 23:27	80m	+8 / -3	HB9EFK	+11 / -	5	✓ Full exchange observed
08-09 23:25	60m	- / +8	GW4FRX	+4 / -	2	✓ Closing fragment
08-07 23:32	60m	+10 / -6	IK5FKF	-7 / -5	4	✓ Full exchange observed
08-06 21:34	80m	-4 / -8	Z62NS	+3 / -	3	✓ Closing observed
08-06 20:53	20m	- / -14	UA3ALY	-22 / -	2	Partial capture
08-06 20:47	20m	- / -14	OZ1HBM	-6 / -	2	✓ Closing fragment
08-06 20:36	20m	- / -18	GB64MOD	+8 / -	2	Partial capture
08-06 20:04	20m	- / -1	GM6DX	-6 / -	2	✓ Closing fragment
08-06 19:59	20m	- / -23	G0VXE	+12 / -	2	✓ Closing fragment
08-06 19:18	20m	- / -11	R3UAX	-2 / -	2	✓ Closing fragment
08-05 23:36	20m	- / -19	DJ2MS	-18 / -	2	✓ Closing fragment
08-05 23:06	80m	-14 / -	TA1MHS	- / -	2	Partial capture
08-05 23:02	60m	+2 / -	WA1NGH	- / -13	2	✓ Closing fragment
08-05 23:00	60m	+3 / -	EA3FCQ	-7 / +4	4	✓ Closing observed
08-05 22:57	60m	+5 / -	EA5JKT	- / -5	3	✓ Closing fragment
08-05 22:52	40m	-3 / +1	SP0DF	-14 / +6	5	✓ Full exchange observed
08-05 22:44	40m	-5 / -	ZB2CM	- / -	4	✓ Closing fragment
08-05 20:23	40m	+5 / -	UA9SY	- / -14	2	✓ Closing fragment
08-05 20:19	40m	+5 / -	JH4IFF	- / -	3	Partial capture
08-05 20:17	40m	+3 / +3	R4ZZ	-8 / +2	4	✓ Full exchange observed
08-05 20:14	40m	0 / 0	DM2RM	+8 / -	6	✓ Full exchange observed
08-05 20:10	40m	+3 / -	9A3TGY	- / -6	3	✓ Closing fragment
08-05 20:07	40m	+2 / -	R2DX	- / -3	3	✓ Closing fragment
08-05 20:05	40m	0 / -	EA7KUH	- / -7	2	Partial capture
08-05 20:02	40m	0 / -	JA4FKX	- / -15	5	Partial capture
08-05 19:00	80m	+2 / -20	R1NO	-6 / -6	6	Partial capture
08-05 00:08	40m	+1 / -	HK3X	- / -	2	Partial capture
08-05 00:03	40m	-8 / -	KM4JB	- / -	3	Partial capture
08-05 00:02	40m	-16 / -	IK4IDY	- / -	3	✓ Closing fragment
08-04 23:33	80m	+6 / -5	OH6FSO	-2 / -10	6	✓ Full exchange observed
08-04 23:31	80m	+7 / -9	HB10GBT	+9 / +8	3	Partial capture
08-04 23:29	60m	-6 / +8	OZ7FOC	-6 / +7	3	Partial capture
08-04 23:26	60m	-7 / +9	HG8LXL	+6 / +6	5	✓ Full exchange observed
08-04 23:23	60m	+8 / -5	DM8KM	+2 / -12	5	✓ Full exchange observed
08-04 23:22	60m	+4 / -	OO0O	- / -4	3	✓ Closing fragment
08-04 23:20	60m	-1 / -	<...>	- / -2	2	Partial capture
08-04 23:14	60m	-7 / 0	4X5JK	-7 / -10	3	Partial capture
08-04 20:57	60m	-4 / +1	PA0EBG	-4 / +6	5	✓ Full exchange observed
08-04 20:56	60m	+6 / -2	SV8GXC	-1 / -	3	✓ Closing observed
08-04 19:22	40m	-6 / -	G7RAU	- / -9	3	✓ Closing fragment
08-04 19:22	40m	-11 / -	YU4OCC	-18 / +2	4	✓ Closing observed
08-03 22:47	60m	-13 / -	EA1FLJ	- / -6	2	✓ Closing fragment
08-03 22:43	60m	-7 / +6	SP5EXA	+4 / -	5	✓ Full exchange observed
08-03 22:37	60m	-6 / -11	MM0HVU	-6 / -6	4	✓ Full exchange observed
08-03 22:37	60m	-12 / -	DL5KMR	- / -22	2	✓ Closing fragment
08-03 22:26	80m	-5 / -14	DL1YAU	-1 / -1	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

20m

UTC    dB Audio  Message
201000  +3 1936  OK1TRJ TM84TFR -10
203615  +8  905  OK1TRJ GB64MOD -18 (x2)
203845 -15 1618  OK1TRJ EA2EWL RR73
204315 -19 2300  OK1TRJ EI9KF RR73
204745  -4 1144  OK1TRJ OZ1HBM -14 (x2)
205345 -23 1841  OK1TRJ UA3ALY -14 (x2)
205745 -13  255  OK1TRJ 4X1UF -04 (x2)
231545  -3 1139  OK1TRJ LZ1ZF RR73
231730 -10  847  OK1TRJ EN35UKR -04
010130 -13 2465  OK1TRJ 9K2OW -18 (x2)

40m

UTC    dB Audio  Message
225445 -16 2033  OK1TRJ SP0DF RR73
225545  -6 2792  CQ OK1TRJ JN79 (x3)
224530 -10 1320  OK1TRJ ON3ABR RR73
173745 -11 2537  UR7FM OK1TRJ JN79
173800  -3 2537  OK1TRJ UR7FM -08
173815  -8 2538  UR7FM OK1TRJ R+09
173830  +2 2537  OK1TRJ UR7FM -08
173845  -8 2537  UR7FM OK1TRJ R+09
173900  -6 2537  OK1TRJ UR7FM -08
173915  -9 2538  UR7FM OK1TRJ R+09
173930  +0 2537  OK1TRJ UR7FM RR73
174030 -22 1756  RL2F OK1TRJ JN79 (x2)

80m

UTC    dB Audio  Message
190130  +2 2603  R1NO OK1TRJ R-06
230530 -16 2004  Z62NS OK1TRJ JN79
230600 -16 2004  TA1MHS OK1TRJ JN79 (x2)
213430  -2  915  Z62NS OK1TRJ JN79
213445  +3  914  OK1TRJ Z62NS -08
213530  -7  915  Z62NS OK1TRJ 73
232730  +5 2579  HB9EFK OK1TRJ JN79
232745 +13 2579  OK1TRJ HB9EFK -03
232800 +10 2579  HB9EFK OK1TRJ R+16
232815  +9 2579  OK1TRJ HB9EFK RR73
232830 +10 2579  HB9EFK OK1TRJ 73
232915  +5  735  IV3FSG OK1TRJ JN79
232930 +18  735  OK1TRJ IV3FSG +07
232945  +1  735  IV3FSG OK1TRJ R+18

60m

UTC    dB Audio  Message
225845  +6  932  EA5JKT OK1TRJ 73
230030  +4  932  EA3FCQ OK1TRJ JN79 (x2)
230115  -7 2327  OK1TRJ EA3FCQ RR73
230130  -1  932  EA3FCQ OK1TRJ 73
230200  -2  932  WA1NGH OK1TRJ -13 (x2)
225400  +6 1033  8S7DL OK1TRJ JN79
233245  +9  471  IK5FKF OK1TRJ JN79
233300  -7  471  OK1TRJ IK5FKF -06
233315  +5  471  IK5FKF OK1TRJ R-05 (x2)
232230  -7  928  OK1TRJ GB8VJ -11
232545  +4  568  OK1TRJ GW4FRX +08 (x2)

160m

UTC    dB Audio  Message
221245  -2 1091  TM25TFR OK1TRJ R-10
223730 -14 1797  SN5J OK1TRJ JN79 (x2)
223815 +10 2736  OK1TRJ SN5J +04
223830  -8 1797  SN5J OK1TRJ R+01
223845 +13 2736  OK1TRJ SN5J RR73
223900  -3 1797  SN5J OK1TRJ 73
203630 -11  751  SQ2BXI OK1TRJ JN79
203745 -13  752  CQ OK1TRJ JN79
203845 -10  752  DL4KSD OK1TRJ RR73
203945 -13  752  CQ OK1TRJ JN79
204115 +10  296  OK1TRJ SQ2BXI -03 (x4)

10m

UTC    dB Audio  Message
062415  -7  984  OK1TRJ IU0VOG -15 (x2)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.