OK2USM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Czech Republic Locator transmitted in a decoded message: JN89

Receiver-side FT8 activity involving OK2USM, decoded by SO8OO in southeastern Poland. 138 related FT8 messages, 22 CQ messages, observed on 160m, 80m, 40m, 20m, across 29 UTC dates. Heard between 2026-05-25 and 2026-08-23.

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

138

Related messages

CQ messages

UTC dates heard

-3 dB

Mean decoder S/N

Bands

80m 20m 40m 160m

First seen: 2026-05-25
Last seen: 2026-08-23 12:44 UTC

Frequent QSO partners observed at SO8OO

Stations OK2USM worked most often, as logged from our receiver:

RC2EC · European Russia F4ISR · France HB3YPJ · Switzerland R3KLE · European Russia R9FFZ · European Russia DH2RL · Fed. Rep. of Germany DO5PY · Fed. Rep. of Germany RN6MA · European Russia RX3DQX · European Russia DD1GN · Fed. Rep. of Germany DL8NW · Fed. Rep. of Germany R1OBH · European Russia

Activity Heatmap

Locator transmitted by OK2USM

Approximate centre of JN89, decoded 2026-08-20 20:26 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	OK2USM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 14:43	20m	- / -8	R3WDU	-18 / -	2	✓ Closing fragment
08-20 20:28	80m	+10 / -	DK5WL	- / +2	2	✓ Closing fragment
08-20 20:26	80m	+15 / 0	DK0ACI	-10 / -	3	✓ Closing observed
08-20 20:22	80m	+2 / -	DO1DMR	-8 / +2	4	Partial capture
08-20 20:22	80m	+4 / -	DL1UDO	-4 / -	3	✓ Closing observed
08-20 20:22	80m	+4 / -	DO5PY	-14 / +2	3	✓ Closing observed
08-20 20:20	80m	+8 / -11	R5AV	0 / -5	4	✓ Full exchange observed
08-18 20:29	160m	-4 / -18	DH2RL	-9 / -14	7	✓ Full exchange observed
08-18 20:28	160m	-8 / -	SV3GKU	- / -	2	Partial capture
08-16 20:06	160m	-18 / -	SP2HJN	-12 / -13	5	✓ Closing observed
08-16 20:03	160m	-12 / -13	SP6AXW	+7 / -	6	✓ Full exchange observed
08-16 19:42	20m	- / -8	YT7TZ	-6 / -	4	Partial capture
08-15 20:45	160m	-8 / -4	DL8NW	+4 / +5	5	✓ Full exchange observed
08-15 20:42	160m	+2 / -12	SP2LLP	+5 / -3	6	✓ Full exchange observed
08-15 20:40	160m	-6 / +3	DL8NW	0 / -	4	Partial capture
08-14 20:33	160m	-6 / -	IW2OHP	- / -	2	Partial capture
08-14 20:32	160m	-12 / -	LA1PHA	- / -	2	Partial capture
08-14 20:27	160m	-12 / -13	HB3YPJ	-22 / +1	6	✓ Full exchange observed
08-14 19:45	160m	-9 / -	F5NZ	- / -	2	Partial capture
08-14 19:43	160m	-12 / -	OI5AY	- / -	2	Partial capture
08-06 20:37	160m	-10 / -	<...>	- / -15	3	Partial capture
08-06 20:25	20m	- / -6	OE9GWV	-18 / -	2	✓ Closing fragment
08-05 19:39	160m	0 / -9	SQ2BXI	+22 / -	4	✓ Closing observed
08-01 20:56	160m	+1 / -	R35ARDF	- / -	3	Partial capture
08-01 20:54	160m	-5 / -	F4ISR	- / -5	3	✓ Closing fragment
08-01 20:52	160m	-14 / -	UA3ECJ	- / -	3	Partial capture
08-01 10:16	20m	- / -15	R4ML	-1 / -	2	✓ Closing fragment
07-30 20:15	160m	-16 / -3	SP7SEK	+10 / +7	4	✓ Full exchange observed
07-30 20:10	160m	-4 / -16	YR50NADIA	+13 / +6	3	Partial capture
07-29 20:32	160m	-4 / -	F4ISR	- / -	2	Partial capture
07-28 07:08	20m	- / -11	UT7IA	-11 / -	3	Partial capture
07-14 19:18	160m	-16 / -	DL2RTJ	- / -	2	Partial capture
07-13 20:11	40m	- / -9	IQ4JO	+1 / -	4	✓ Closing fragment
07-13 20:11	40m	- / -4	YO9PH	-11 / -	3	✓ Closing fragment
07-11 21:04	160m	-8 / -	R7CD	- / -	2	Partial capture
07-11 20:57	160m	-10 / -16	RU3DNN	+3 / -1	5	✓ Full exchange observed
07-11 20:54	160m	-10 / -5	SP9SM	0 / +4	6	✓ Full exchange observed
07-09 20:31	80m	+7 / -	DL6CGU	-11 / +6	2	Partial capture
07-09 20:30	80m	+15 / -	DL6EL	+14 / -	5	✓ Full exchange observed
07-09 20:28	80m	+12 / -	DD1GN	- / +8	2	✓ Closing fragment
07-09 20:28	80m	+10 / -10	RN6MA	+4 / +1	6	✓ Full exchange observed
07-09 20:22	80m	+4 / 0	DL3KF	-12 / 0	5	Partial capture
07-09 20:13	160m	-6 / -5	YT1HA	-2 / +5	5	✓ Full exchange observed
07-02 20:12	40m	-1 / -	DD7EE	-12 / +6	3	✓ Closing observed
07-02 20:11	40m	+1 / -	SP7TF	- / +4	2	✓ Closing fragment
07-02 20:09	40m	+3 / -	R4PF	- / -1	2	✓ Closing fragment
06-20 19:51	160m	-6 / -	OM4AB	+2 / -	5	✓ Full exchange observed
06-17 14:20	20m	- / -16	R1OBH	+9 / -	2	✓ Closing fragment
06-15 09:16	20m	- / -14	R2BRD	+4 / -	2	Partial capture
06-14 20:18	160m	-2 / -16	M0XRD/P	-24 / -19	5	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
070915 -10 1976  OK2USM UT7IA -11 (x2)
101645  -1  664  OK2USM R4ML -15 (x2)
152315 -14 1269  OK2USM UF4S/6 -03
202545 -19 1515  OK2USM OE9GWV R-06 (x2)
202645 -13 1279  OK2USM <...> -07
202645 -14 1967  OK2USM R9FFZ RR73
194200 -11 2597  OK2USM YT7TZ -08 (x4)
144330 -19 1334  OK2USM R3WDU -08 (x2)

80m

UTC    dB Audio  Message
202230  +9 1197  DO5PY OK2USM +02
202245  -4 1400  OK2USM DL1UDO JO31
202245  -9 2004  OK2USM DO1DMR JO40
202300  +0 1197  DO5PY OK2USM RR73
202315  -7 2004  OK2USM DO1DMR JO40 (x2)
202400  +4 1197  DL1UDO OK2USM RR73
202500  +2 2004  DO1DMR OK2USM +02
202600  +5 1065  CQ OK2USM JN89 (x2)
202645 -11  306  OK2USM DK0ACI +00 (x2)
202730 +15  306  DK0ACI OK2USM 73
202800 +12  306  DK5WL OK2USM +02 (x2)

160m

UTC    dB Audio  Message
200530 -12 1059  SP6AXW OK2USM 73
200600 -18 1572  SP2HJN OK2USM JN89 (x3)
200715 -12 1571  OK2USM SP2HJN RR73
200730 -17 1572  SP2HJN OK2USM 73
202800  -8 2006  SV3GKU OK2USM JN89 (x2)
202930  -5 2559  DH2RL OK2USM JN89 (x2)
203015 -11 2559  OK2USM DH2RL -18
203030  -3 2559  DH2RL OK2USM R-14
203045  -7 2559  OK2USM DH2RL -18
203100  -7 2559  DH2RL OK2USM R-14 (x2)

40m

UTC    dB Audio  Message
201000  +3  769  R4PF OK2USM 73
201100  +1  385  SP7TF OK2USM R+04 (x2)
201200  +1  385  DD7EE OK2USM +06 (x2)
201245 -12  815  OK2USM DD7EE 73
201445 -10 1021  <...> OK2USM JN89
201100 -13 2234  OK2USM YO9PH -04
201100  -2 2762  OK2USM IQ4JO JN63 (x3)
201200  -6 2234  OK2USM YO9PH -12
201245  +3 2762  OK2USM IQ4JO JN63
201300 -19 1105  <OK2USM> 9A/OK1PSV
201300 -15 2234  OK2USM YO9PH RR73

Decoder S/N history by band

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