R7OF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KN87

Receiver-side FT8 activity involving R7OF, decoded by SO8OO in southeastern Poland. 859 related FT8 messages, 395 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 62 UTC dates. Heard between 2026-05-30 and 2026-08-22.

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

859

Related messages

395

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-30
Last seen: 2026-08-22 03:47 UTC

Frequent QSO partners observed at SO8OO

Stations R7OF worked most often, as logged from our receiver:

RN3DDW/P · European Russia ×5 RT2P · European Russia ×3 IK4LZH · Italy ×3 RA3VMK/P · European Russia ×2 F1PBZ · France ×2 R6AO · European Russia ×2 RW1C · European Russia ×2 RM6J · European Russia ×2 RA6ATZ · European Russia ×2 R1CAT · European Russia ×2 R3QX · European Russia ×2 R5ZM · European Russia ×2

Activity Heatmap

Locator transmitted by R7OF

Approximate centre of KN87, decoded 2026-08-23 04:10 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	R7OF S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 04:10	40m	-5 / -	RA3VMK/P	- / -10	3	✓ Closing fragment
08-23 03:59	40m	-14 / -	RA4CEH	- / -10	6	✓ Closing fragment
08-23 03:13	40m	-8 / -	RA4CEH	- / -	3	Partial capture
08-22 05:45	20m	-12 / -	R3UAX	-23 / -22	7	✓ Closing observed
08-21 20:24	80m	-5 / -4	UF4S/P	-8 / -4	4	✓ Full exchange observed
08-21 08:29	10m	-3 / -	RA2FCL	- / -	8	Partial capture
08-20 19:13	40m	-3 / -	UB5O/M	- / -9	3	Partial capture
08-20 19:12	40m	+7 / -	R6AO	- / -5	2	✓ Closing fragment
08-20 19:11	40m	0 / -	UB4HVA	-5 / -7	3	✓ Closing observed
08-20 19:08	40m	-2 / -	UB5O/M	- / -	2	Partial capture
08-20 19:00	40m	-1 / -	R3PLN/P	- / -14	3	✓ Closing fragment
08-20 18:58	40m	+6 / -	R6DOB/M	- / -8	3	Partial capture
08-19 19:04	80m	-2 / -1	RA4FHO	-1 / -2	5	✓ Full exchange observed
08-19 19:03	160m	- / -	RU1AB	-21 / -	3	Partial capture
08-19 18:53	160m	-9 / -	<...>	- / -	2	Partial capture
08-19 09:39	20m	-21 / +4	UA3GJM	-22 / +3	4	✓ Full exchange observed
08-19 09:37	20m	-13 / -	HI8J	- / -20	3	✓ Closing fragment
08-18 19:43	160m	-5 / -	R9SAP	-18 / -3	4	✓ Closing observed
08-18 19:42	160m	-6 / +1	SQ2BXI	+16 / -13	4	✓ Full exchange observed
08-18 19:40	160m	-6 / -	UA3FH	- / -5	2	✓ Closing fragment
08-18 19:32	40m	-16 / -	ON4ASV	+4 / 0	3	Partial capture
08-18 11:40	20m	-12 / -	R3DFE/M	- / -12	6	Partial capture
08-18 11:30	20m	-15 / -	<...>	- / -	3	Partial capture
08-14 19:36	160m	-3 / -	R4NBV	-14 / -6	3	✓ Closing observed
08-14 19:33	160m	-4 / -	R2UZ/P	- / -3	3	✓ Closing fragment
08-14 19:30	160m	0 / -	<...>	- / -12	2	Partial capture
08-11 04:10	20m	-15 / -	TI5RR	- / -20	3	Partial capture
08-10 20:00	80m	-2 / +4	TA2E	-14 / -1	4	✓ Full exchange observed
08-10 19:58	80m	-4 / +6	RU3OZ	-7 / 0	5	✓ Full exchange observed
08-10 19:55	80m	+1 / -5	OE5MZO	+7 / -9	6	✓ Full exchange observed
08-10 19:53	80m	- / -	DO2XU	-16 / -	4	Partial capture
08-10 19:53	80m	+1 / -3	UB1AXF	-13 / -9	4	✓ Full exchange observed
08-10 19:51	80m	+3 / -7	F1PBZ	-8 / -13	4	✓ Full exchange observed
08-10 19:26	160m	-6 / -	R1MA	- / -7	2	✓ Closing fragment
08-10 17:54	40m	-18 / 0	R9LAR/3	-17 / +2	2	Partial capture
08-10 17:43	40m	-8 / -12	R3HW/P	-10 / -7	2	Partial capture
08-10 17:41	40m	-11 / -	UB4RIB	- / -8	2	✓ Closing fragment
08-10 03:08	20m	-12 / -	RT1Q	- / -	2	Partial capture
08-10 03:02	20m	-13 / -	R9FEM	- / -	5	Partial capture
08-09 19:41	160m	-6 / -	OH0ERF	- / -	4	Partial capture
08-09 19:40	160m	-9 / +9	R5BS	-6 / +1	5	✓ Full exchange observed
08-09 19:38	160m	-6 / -	R2APU	- / -6	2	✓ Closing fragment
08-09 19:33	80m	-2 / -1	R3ZBY	-12 / +1	5	✓ Full exchange observed
08-09 19:32	80m	-8 / -2	R3HH	+2 / -5	6	✓ Full exchange observed
08-09 19:31	80m	-6 / -1	R4HLO	-16 / -2	7	✓ Full exchange observed
08-09 19:30	80m	+1 / -17	HB3YOY	-9 / -9	8	✓ Full exchange observed
08-09 19:30	80m	+2 / -8	DL7ET	-13 / -12	5	✓ Full exchange observed
08-09 18:35	40m	-16 / -	UB1QAI	- / -11	2	Partial capture
08-09 06:21	20m	-16 / -	UB6LTL	- / -23	2	✓ Closing fragment
08-07 18:24	40m	-3 / -	UB8QBY	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
191330  -3 1287  UB5O/M R7OF KN87 (x3)
031315 -11 1076  RA4CEH R7OF KN87 (x9)
041045  -5 1570  RA3VMK/P R7OF KN87 (x3)

20m

UTC    dB Audio  Message
093745 -12 2113  HI8J R7OF KN87 (x3)
093900 -21 1165  R7OF UA3GJM +04
093915 -19 2110  UA3GJM R7OF R+03
093930 -22 1164  R7OF UA3GJM RR73
093945 -23 2110  UA3GJM R7OF 73
143815  -9 1974  R8CHY R7OF KN87
054530 -12 1986  R3UAX R7OF KN87 (x4)
054715 -23 1986  R7OF R3UAX RR73
054730  -9 1986  R3UAX R7OF R-22 (x2)

80m

UTC    dB Audio  Message
194145  -1 2457  CQ R7OF KN87
194230 +14  443  R7OF R8FB LO87
190415  -3 2078  RA4FHO R7OF KN87
190430  -1 2816  R7OF RA4FHO -01
190445  +0 2078  RA4FHO R7OF R-02
190500  -1 2816  R7OF RA4FHO RR73
190515  -2 2078  RA4FHO R7OF 73
190545  +0 2078  CQ R7OF KN87 (x4)
202430  -8 1216  R7OF UF4S/P -04
202445  -4 1216  UF4S/P R7OF R-04
202500  -7 1216  R7OF UF4S/P RR73
202515  -6 1216  UF4S/P R7OF 73

10m

UTC    dB Audio  Message
072145  -9 1222  CQ R7OF KN87
072215  -9 1222  EC3A R7OF R-11 (x2)
072315  -6 1223  DK9BG R7OF -12 (x2)
072415  -9 1223  DL8UVG R7OF -09 (x2)
082915  -7 2763  RA2FCL R7OF KN87 (x8)

160m

UTC    dB Audio  Message
194345  -3 2147  R9SAP R7OF RR73
194400 -18 1070  R7OF R9SAP 73
194415  -7 2147  CQ R7OF KN87 (x5)
185315  -6 2185  <...> R7OF KN87 (x3)
190045  -3 1587  CQ R7OF KN87 (x2)
190300 -21 2074  R7OF RU1AB KP40 (x3)

Decoder S/N history by band

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