OK2USM — FT8 station from Czech Republic

Czech Republic Grid: JN89

Amateur radio station OK2USM operating from Czech Republic (grid square JN89). 104 FT8 spots received at SO8OO WebSDR, 4 CQ calls, active on 160m, 40m, 20m, over 11 days, best SNR +18 dB. Heard between 2026-04-21 and 2026-05-14.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

104

Total spots

CQ calls

Days active

-1 dB

Avg SNR

Bands

20m 40m 160m

First seen: 2026-04-21
Last seen: 2026-05-14 17:47 UTC

Frequent QSO partners observed at SO8OO

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

DL6EL · Fed. Rep. of Germany RK4YC · European Russia SV8KOU · Greece DL4KUG · Fed. Rep. of Germany R6DBT · European Russia DA6KL · Fed. Rep. of Germany IT9KHI · Sicily IW4AOT · Italy DO1WFW · Fed. Rep. of Germany UA6HRB · European Russia OH6JD · Finland SQ9ZM · Poland

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	OK2USM	Partner	Partner SNR	Msgs
05-14 19:33	160m	0 / -7	SN0KZE	-6 / -	4	✓ Verified
05-13 20:20	160m	- / -	YL2EA	-12 / -	2	Partial
05-13 20:14	160m	- / -16	DJ7BU	-9 / -	3	✓ Confirmed
05-13 20:13	160m	-15 / -4	E70SZ	-10 / -	3	✓ Verified
05-13 20:03	160m	+4 / -	RY3K	-8 / -9	4	✓ Verified
05-13 19:58	160m	+2 / +1	UA2FF/P	-6 / -4	5	✓ Complete
05-13 19:56	160m	-6 / -5	DL70ESSEN	-6 / -6	2	Partial
05-13 19:54	160m	+13 / -	OE3GCU	-10 / -10	4	✓ Verified
05-13 19:53	160m	-11 / -10	OH6JD	-14 / -15	4	✓ Complete
05-13 19:51	160m	-18 / -11	R5ZJ	-9 / -19	5	✓ Complete
05-12 19:41	160m	- / -	RN1CW	-4 / -	2	Partial
05-12 19:37	160m	- / -	UA3ECJ	+3 / -	2	Partial
05-12 19:30	160m	- / -	RU3UR	-4 / -	2	Partial
05-12 09:52	20m	+7 / -	RW6B	- / -13	2	✓ Confirmed
05-12 06:23	20m	-7 / -	EC3A	- / -10	2	Partial
05-12 06:18	20m	+14 / -	RV3QI	- / -1	2	✓ Confirmed
05-10 20:38	160m	-15 / -22	DO1RJB	-9 / -9	5	✓ Complete
05-10 20:33	160m	-12 / -19	SP3DVO	-2 / -10	4	✓ Complete
05-10 20:30	160m	-4 / -2	DL6EL	-6 / -1	5	✓ Complete
05-10 20:27	160m	-3 / +1	SQ9ZM	-8 / -	5	✓ Complete
05-10 20:25	160m	- / -	LX1LW	-2 / -	2	Partial
05-09 19:10	160m	+3 / -13	IW6NEM	-6 / -14	5	✓ Complete
05-09 19:07	160m	-1 / +1	SV8KOU	-6 / -21	5	✓ Complete
05-09 19:06	160m	- / -	IW5DNZ	+4 / -	2	Partial
05-09 18:58	160m	+3 / -7	SP7SQD	-12 / -22	6	Partial
05-09 18:56	160m	-8 / -2	DL3CY	-15 / +4	7	✓ Complete
05-09 18:51	160m	+4 / -6	<...>	-3 / -10	6	Partial
05-08 20:29	160m	+8 / -	LY7M	-10 / -9	2	Partial
05-08 20:26	160m	+8 / -2	IK3BNO	+2 / -17	4	✓ Complete
05-08 20:11	160m	+2 / -12	LZ1NYK	-4 / -16	5	✓ Complete
05-08 20:01	160m	+4 / -	IZ3GOO	- / -5	2	Partial
05-08 19:51	160m	+10 / -	OM3TWM	- / -16	2	✓ Confirmed
05-07 20:28	160m	-12 / -	SP9AHW	-9 / -8	3	✓ Verified
05-07 20:26	160m	+8 / +1	SP6OJK	-10 / -	4	✓ Complete
05-07 20:10	160m	- / -	DO3JP	-7 / -	2	Partial
05-07 20:06	160m	+15 / -	IR0RV	-4 / +2	7	✓ Complete
05-07 20:02	160m	-14 / -20	SV6SYQ	-9 / -15	7	✓ Complete
05-06 20:27	160m	+3 / +2	SQ2SAT	-1 / -17	4	✓ Complete
05-06 20:24	160m	-6 / -	SP5BB	-11 / -7	2	✓ Verified
05-06 20:21	160m	-8 / +2	DO1WFW	-8 / +1	4	✓ Complete
05-06 20:16	160m	+12 / -	OM2WQ	-6 / -	4	✓ Verified
05-06 20:14	160m	- / -	R2EA	-5 / -	2	Partial
05-06 20:12	160m	+14 / -	IW4AOT	-4 / -12	4	✓ Complete
05-06 20:11	160m	+12 / -2	HA5AO	-2 / -2	5	✓ Complete
05-06 20:10	160m	- / -	<...>	-5 / -	2	Partial
05-06 08:41	20m	+6 / -	UA6HRB	- / -6	2	✓ Confirmed
04-30 20:24	160m	-16 / -	IU5TUD	-6 / -22	2	Partial
04-30 20:22	160m	- / -	YL2EA	-12 / -	2	Partial
04-30 20:19	160m	-6 / -2	IZ3GOG	-12 / -9	5	✓ Complete
04-30 20:13	160m	+14 / -11	SP7TBU	-2 / -7	5	✓ Complete

Station Log

160m

UTC    dB  Freq  Message
201430  -9 1196  DJ7BU OK2USM -16 (x3)
201645 -12 1888  OK2USM DB3OI JO52
201900 -10 1139  CQ OK2USM JN89 (x2)
202045 -11 2082  YL2EA OK2USM JN89 (x2)
193300  -7 1549  SN0KZE OK2USM JN89 (x2)
193345  +0 1549  OK2USM SN0KZE RR73
193400  -7 1549  SN0KZE OK2USM 73
193815 -11 1388  SV1SSL OK2USM JN89
194100 -14 1828  UA3LNM OK2USM JN89
194715  -4 1092  CQ OK2USM JN89

20m

UTC    dB  Freq  Message
154100 -11 1438  OK2USM R6DBT RR73 (x4)
083815  -4  566  OK2USM <...> -14
084115  +2 1504  OK2USM UA6HRB -06 (x2)
084545  +3 2335  OK2USM UA1ZFL RR73
122430  +7  919  OK2USM <...> +01
061830 +16  476  OK2USM RV3QI -01 (x2)
062315  -9 1642  OK2USM EC3A -10 (x2)
095200 +10  296  OK2USM RW6B -13 (x2)

40m

UTC    dB  Freq  Message
170330  -3 1142  R6AAU OK2USM JN89 (x2)
170515  +3  920  RA3PGR OK2USM JN89
170600 -13 1504  OK2USM UA1CFF +00
170615  -1 1504  UA1CFF OK2USM R-20
170630 -12 1504  OK2USM UA1CFF RR73
170645  +0 1505  UA1CFF OK2USM R-20
170730  -4 1503  OK2USM UA1CFF RR73
170830  +0 1154  R2GBR OK2USM JN89 (x3)