RK3AQ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving RK3AQ, decoded by SO8OO in southeastern Poland. 2,266 related FT8 messages, 447 CQ messages, observed on 80m, 40m, 20m, 10m, across 57 UTC dates. Heard between 2026-05-10 and 2026-08-08.

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

2,266

Related messages

447

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-10
Last seen: 2026-08-08 13:12 UTC

Frequent QSO partners observed at SO8OO

Stations RK3AQ worked most often, as logged from our receiver:

RA3ZOM · European Russia ×4 R7KM · European Russia ×3 F1PBZ · France ×3 RL3T · European Russia ×3 PI4DX · Netherlands ×3 UK8FCM · Uzbekistan ×3 RZ4FWA · European Russia ×2 RO1M · European Russia ×2 R4CCE · European Russia ×2 RA7Z · European Russia ×2 RA5AK · European Russia ×2 IK2ZJR · Italy ×2

Activity Heatmap

Locator transmitted by RK3AQ

Approximate centre of KO85, decoded 2026-08-08 15:11 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	RK3AQ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-08 15:11	20m	- / -	F4HSB	-3 / -	4	Partial capture
08-08 15:03	20m	-14 / -	<...>	- / -14	4	Partial capture
08-08 14:59	20m	-13 / -	TA2HLE	-16 / -19	2	Partial capture
08-08 13:54	20m	+2 / -	DL4LBT	- / -	2	Partial capture
08-08 13:52	20m	+2 / -	BH7ACO	- / -21	3	✓ Closing fragment
08-08 13:50	20m	+2 / -	BH3FND	- / -15	3	✓ Closing fragment
08-08 13:48	20m	0 / -	PD0HGQ	- / -18	3	✓ Closing fragment
08-08 13:38	20m	+2 / -	EY7BP	- / -	3	Partial capture
08-08 12:27	20m	-14 / -	M0WWE	- / -24	3	Partial capture
08-08 12:26	20m	-14 / -	BA4IHB	- / -18	2	✓ Closing fragment
08-08 12:14	20m	-14 / -	PE1ALU	- / -	2	✓ Closing fragment
08-08 12:13	20m	-15 / -	F4MMF	- / -20	3	✓ Closing fragment
08-07 14:02	20m	-20 / -4	DK4SDR	-13 / -	3	✓ Closing observed
08-07 13:31	20m	-18 / -6	EA4DL	-23 / -	3	✓ Closing observed
08-07 13:25	20m	-24 / -3	IK4RVY	-17 / -9	4	✓ Full exchange observed
08-07 12:13	20m	-20 / -8	IV3JJT	-22 / -	2	✓ Closing observed
08-07 09:01	20m	-4 / -	SP6AMI	- / -	2	Partial capture
08-07 09:01	20m	-4 / -	3Z9LNA	- / -	2	Partial capture
08-07 08:58	20m	-6 / -	F5SOI	- / -18	3	✓ Closing fragment
08-07 08:57	20m	-8 / -	GM0EDJ	- / -	2	Partial capture
08-07 08:53	20m	0 / -	R4CC	- / -5	2	Partial capture
08-07 08:50	20m	-6 / -4	IU3RUL	-5 / -24	4	✓ Full exchange observed
08-07 08:45	20m	-2 / -	OH6HL	- / -17	3	✓ Closing fragment
08-07 08:41	20m	+3 / -	F5LPL	- / -	5	Partial capture
08-07 08:36	20m	0 / -	F5LPL	- / -	2	Partial capture
08-07 08:27	20m	+3 / -	PE1NGM	- / -	4	Partial capture
08-07 08:22	20m	-18 / -	PD2WL	-5 / -20	5	✓ Closing observed
08-07 08:09	20m	- / -23	IU0OTP	-12 / -	3	Partial capture
08-07 07:48	20m	-14 / -	R8FH	- / -1	2	✓ Closing fragment
08-07 07:23	20m	- / -8	R4FFQ	-18 / -	2	✓ Closing fragment
08-07 06:53	20m	-7 / -	OK2CNI	- / -5	3	✓ Closing fragment
08-07 06:50	20m	-12 / -	OK1JPO	- / -13	3	✓ Closing fragment
08-07 06:48	20m	-8 / -	M9UTD	- / -12	3	✓ Closing fragment
08-07 06:29	20m	- / -10	RK6HWP	-16 / -	2	✓ Closing fragment
08-06 16:15	20m	- / -14	TA2ED	-11 / -	3	✓ Closing fragment
08-06 15:32	20m	- / -12	F4AQD	-9 / -	5	Partial capture
08-06 15:00	20m	- / -17	OD5KU	-4 / -	2	✓ Closing fragment
08-04 13:45	20m	-12 / -	F4JQF	- / -26	2	Partial capture
08-04 13:32	20m	-14 / -2	M0YMC	-20 / -	4	Partial capture
08-04 12:46	20m	-19 / -	UA1AQC	- / -5	2	Partial capture
08-04 12:45	20m	-22 / -	PD1AJJ	- / -21	2	Partial capture
08-04 12:33	20m	-18 / -	M9LGG	- / -	2	Partial capture
08-04 12:00	20m	- / -15	IK2UIG	-18 / -	2	Partial capture
08-04 10:55	20m	- / -5	R7OV	-14 / -	2	Partial capture
08-04 09:22	20m	- / -7	HB9TWU	-13 / -	3	✓ Closing fragment
08-04 09:17	20m	-12 / -6	PD0OKP	-10 / -	3	✓ Closing observed
08-04 09:06	20m	-15 / -9	CT3MD	-9 / -	3	✓ Closing observed
08-04 08:59	20m	- / -9	F4PCM	-6 / -	2	Partial capture
08-03 08:48	20m	- / -	DB2GM	-10 / -	3	Partial capture
08-03 08:45	20m	- / -8	US1EA	-14 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
142400  -5  833  RK3AQ PD0AAG -09
142615 -18  907  PD0AAG RK3AQ R-19
145545  +9  907  A71YY RK3AQ KO85
145915 -16 2229  RK3AQ TA2HLE +11
145930 -13  907  TA2HLE RK3AQ R-19
150315 -14  907  <...> RK3AQ -14 (x4)
150830 -16  907  TA6RIK RK3AQ KO85
151115  -4 1723  RK3AQ F4HSB JN37
151130 -12  907  <...> RK3AQ KO85
151145  -5 1723  RK3AQ F4HSB JN37 (x3)

80m

UTC    dB Audio  Message
225115  -1 2193  RK3AQ GI4DOH -12
225130 -14 2193  GI4DOH RK3AQ R-14
225145  -2 2193  RK3AQ GI4DOH RR73
225200 -15 2192  GI4DOH RK3AQ 73
231430 -15 1701  MM0HVU RK3AQ KO85 (x2)
233115  +0 1346  CQ RK3AQ KO85
233130 +16 2563  RK3AQ IQ4JO JN63
233145  +2 1346  CQ RK3AQ KO85 (x3)
233300  +1  470  RK3AQ 9A2TN JN95
233315  +3 1347  CQ RK3AQ KO85
233330  +5  470  RK3AQ 9A2TN JN95
233345  +1 1347  CQ RK3AQ KO85

40m

UTC    dB Audio  Message
220545 -14 2276  TF8KW RK3AQ R-11 (x2)
220715  -9 2276  LA3GL RK3AQ KO85
220845 -13 2276  PD2MV RK3AQ KO85
220915 -13 2276  SV3SRU RK3AQ KO85
220945 -17 2276  EA2DYB RK3AQ KO85
221000 -16 1677  RK3AQ EA2DYB -04
221015 -14 2276  EA2DYB RK3AQ R-09
221030 -14 1677  RK3AQ EA2DYB RR73
221045 -16 2276  EA2DYB RK3AQ 73
221115 -10 2276  SV3SRU RK3AQ KO85
221145  -8 2276  IZ8PPI RK3AQ KO85
221215  -8 2276  PD2MV RK3AQ KO85 (x3)

10m

UTC    dB Audio  Message
130345 -15 2352  RK3AQ R6FMK LN05
135630 -14  899  RK3AQ G4UGV -15
123230 -13 2506  RK3AQ R1BGR -14
071830 -24 1891  RK3AQ UA3LNM -13
072230  -1 1796  RK3AQ IK2YYO +02
073715  -6  667  RK3AQ PA3EVY -02 (x2)
074845 -20 1658  RK3AQ RL1B -11 (x3)
082215 -19 1464  RK3AQ EU2NS -03
082715  -4 2494  RK3AQ RV1CC -08 (x2)
083845 -14  945  RK3AQ DO2SHJ -12 (x2)

Decoder S/N history by band

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