R390TB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia

Receiver-side FT8 activity involving R390TB, decoded by SO8OO in southeastern Poland. 1,395 related FT8 messages, 782 CQ messages, observed on 80m, 40m, 20m, 10m, across 15 UTC dates. Heard between 2026-06-12 and 2026-06-27.

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.

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

Overview

1,395

Related messages

782

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-06-12
Last seen: 2026-06-27 04:44 UTC

Frequent QSO partners observed at SO8OO

Stations R390TB worked most often, as logged from our receiver:

IR0RPER · Italy ×4 EG20RCH · Spain ×2 RT4A/P · European Russia ×2 R1BFL/P · European Russia ×2 IR7RMAT · Italy ×2 IK3/UY7LA · Italy RD0B/P · Asiatic Russia RC2Y · European Russia UE26DNR · European Russia UB3AVN/P · European Russia DL5KMR · Fed. Rep. of Germany PW8BR · Brazil

Activity Heatmap

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	R390TB S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-26 09:01	10m	-13 / -	<...>	-4 / -	2	✓ Closing fragment
06-26 06:56	10m	- / -	DN9OPA	-5 / -	4	Partial capture
06-23 18:59	20m	-24 / -	<...>	-19 / -	4	✓ Closing fragment
06-23 18:38	80m	- / -7	YO4NT	+8 / -	2	Partial capture
06-23 18:33	80m	-16 / -	<...>	-5 / -	19	✓ Closing fragment
06-21 15:24	20m	-20 / -	<...>	- / -	2	✓ Closing fragment
06-21 07:41	20m	-16 / -	<...>	- / -	2	✓ Closing fragment
06-21 07:34	20m	- / -	<...>	-10 / -	2	✓ Closing fragment
06-21 06:42	20m	-17 / -	<...>	-17 / -	9	✓ Closing fragment
06-21 06:37	20m	-12 / -	<...>	- / -	2	✓ Closing fragment
06-20 19:00	40m	-18 / -	2D0VPS/P	-8 / -	3	✓ Closing observed
06-20 18:40	40m	- / -	<...>	-9 / -	2	✓ Closing fragment
06-20 18:36	40m	-21 / -	<...>	- / -	2	✓ Closing fragment
06-20 15:06	20m	-24 / -	<...>	-12 / -	3	✓ Closing fragment
06-20 14:32	10m	+8 / -	<...>	-8 / -	8	✓ Closing fragment
06-20 14:23	10m	+18 / -	<...>	- / -	2	✓ Closing fragment
06-20 14:19	20m	- / -	PE1BTV/P	-7 / -	2	✓ Closing fragment
06-20 14:10	10m	+17 / -	<...>	-6 / -	9	✓ Closing fragment
06-20 14:06	10m	+4 / -	<...>	- / -	2	✓ Closing fragment
06-20 14:04	20m	- / -	<...>	+4 / -	2	✓ Closing fragment
06-20 13:59	20m	- / -	<...>	-8 / -	3	✓ Closing fragment
06-20 13:57	10m	+2 / -	<...>	-13 / -	2	✓ Closing fragment
06-20 13:57	10m	- / -	RW3DDZ	-13 / -	3	Partial capture
06-20 13:57	10m	-2 / -	RA3VME	-7 / -	3	✓ Closing observed
06-20 13:54	10m	+1 / -	<...>	-4 / -	2	✓ Closing fragment
06-20 13:51	20m	-16 / -	<...>	-1 / -	3	✓ Closing fragment
06-20 13:48	10m	-3 / -	<...>	+17 / -	3	✓ Closing fragment
06-20 13:39	10m	-4 / -	<...>	+3 / -	5	✓ Closing fragment
06-20 13:27	10m	0 / -	<...>	-2 / -	8	✓ Closing fragment
06-20 13:18	10m	+3 / -	<...>	-1 / -	3	✓ Closing fragment
06-20 13:06	10m	+7 / -	<...>	-2 / -	14	✓ Closing fragment
06-20 13:01	10m	- / -	R2AKN	-12 / -	2	Partial capture
06-20 12:59	10m	- / 0	R2DRY	0 / -	2	Partial capture
06-20 12:53	10m	+2 / -	<...>	-3 / -	12	✓ Closing fragment
06-20 12:46	10m	0 / -	<...>	+2 / -	4	✓ Closing fragment
06-20 12:41	10m	+2 / -	<...>	+1 / -	2	✓ Closing fragment
06-20 12:37	20m	-15 / -	<...>	-6 / -	4	✓ Closing fragment
06-20 12:36	10m	-5 / -	<...>	- / -	4	✓ Closing fragment
06-20 12:21	10m	-4 / -	<...>	+3 / -	11	✓ Closing fragment
06-20 12:18	10m	- / -5	R2SN	-7 / -	3	Partial capture
06-20 12:12	10m	+1 / -	<...>	-1 / -	4	✓ Closing fragment
06-20 12:04	10m	+6 / -	<...>	0 / -	5	✓ Closing fragment
06-20 11:52	10m	-1 / -	<...>	+2 / -	10	✓ Closing fragment
06-20 11:48	10m	-1 / -	UA7T	-8 / -	2	✓ Closing observed
06-20 11:41	10m	+4 / -	<...>	+8 / -	11	✓ Closing fragment
06-20 05:53	20m	- / -24	R6OI	-12 / -	3	Partial capture
06-20 05:52	20m	-8 / -	<...>	-4 / -	4	✓ Closing fragment
06-20 05:10	20m	- / -	<...>	-7 / -	18	✓ Closing fragment
06-20 04:58	20m	- / -	<...>	-17 / -	13	✓ Closing fragment
06-20 04:32	20m	-14 / -	<...>	- / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
065730 -10  854  CQ R390TB
065745  -2 2392  R390TB DN9OPA JN38
065800 -10  854  CQ R390TB
065815  -1 2392  R390TB DN9OPA JN38
065830 -12  854  CQ R390TB (x3)
070130 -13  854  <...> R390TB 73 (x3)
090215  -4  778  R390TB <...> RR73
090430 -18  776  CQ R390TB
090815  +6 2496  R390TB <...> 73 (x2)
064800 -17  852  <...> R390TB RR73

20m

UTC    dB Audio  Message
155645 -12 1913  R390TB <...> 73
111530 -23 1669  CQ R390TB (x4)
111945  -5 1032  R390TB <...> 73 (x2)
185545 -22 1665  CQ R390TB
185645 -24 1666  <...> R390TB RR73
185700 -14 1980  R390TB LB1UK/P 73
185900 -20 1665  R390TB <...> RR73 (x3)
190115 -24 1666  <...> R390TB RR73
190145 -21 1666  CQ R390TB

80m

UTC    dB Audio  Message
184315 -10 1427  <...> R390TB RR73
184330  +0 1006  R390TB <...> 73
184345 -17 1427  CQ R390TB (x2)
184515 -16 1427  <...> R390TB RR73
184530 -15 2021  R390TB <...> 73
184645 -18 1426  <...> R390TB RR73
184700 -17 1169  R390TB <...> 73
184745 -11 1427  <...> R390TB RR73
184800  -5 1427  R390TB <...> 73
184815 -16 1427  CQ R390TB (x5)

40m

UTC    dB Audio  Message
190030 -17 1830  2D0VPS/P R390TB RR73
190045  -4 1360  R390TB <...> 73
190100 -19 1830  CQ R390TB
190230 -19 1830  2D0VPS/P R390TB RR73
190300 -22 1830  CQ R390TB
015045 -11  634  R390TB <...> RR73 (x6)
173115 -20 1317  <...> R390TB RR73
174830  -7  944  R390TB <...> 73 (x3)

Decoder S/N history by band

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