RQ4F — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO23

Receiver-side FT8 activity involving RQ4F, decoded by SO8OO in southeastern Poland. 294 related FT8 messages, 2 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 42 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

294

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m 160m

First seen: 2026-05-25
Last seen: 2026-08-23 01:17 UTC

Frequent QSO partners observed at SO8OO

Stations RQ4F worked most often, as logged from our receiver:

R9CS/P · European Russia ×3 TN8GD · Republic of the Congo ×3 R3ICU · European Russia ×2 RA3ZOM · European Russia ×2 RA3LCI · European Russia ×2 RA4L · European Russia ×2 UB6OCD · European Russia ×2 UB0SMX/P · Asiatic Russia ×2 R6ML · European Russia ×2 R4SCQ · European Russia ×2 UB4CLH · European Russia ×2 UB3ADO/P · European Russia ×2

Activity Heatmap

Locator transmitted by RQ4F

Approximate centre of LO23, decoded 2026-08-22 18:34 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	RQ4F S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 03:17	40m	-3 / +7	RD7O	-2 / +4	4	✓ Full exchange observed
08-23 03:16	40m	-5 / -	UB8QBI	- / -5	2	✓ Closing fragment
08-22 18:34	160m	-14 / -	<...>	- / -16	2	Partial capture
08-21 19:01	160m	-10 / -	R2EA/P	- / -17	2	Partial capture
08-21 18:13	80m	-9 / -1	UF4S/P	-9 / -2	10	✓ Full exchange observed
08-21 18:05	80m	-12 / -	UA3XDR	- / -5	3	Partial capture
08-21 02:55	40m	-7 / -	PV8AJ	- / -8	3	Partial capture
08-20 07:30	20m	-6 / -6	R6DOB/M	-4 / -2	2	Partial capture
08-19 18:44	160m	-18 / -	RA3LCI	- / -12	2	✓ Closing fragment
08-17 00:31	80m	- / +8	R9CS/P	+4 / -	2	✓ Closing fragment
08-14 18:32	80m	- / -13	R6ML	+3 / -	4	✓ Closing fragment
08-14 18:25	80m	-4 / -	R6DOB/7	- / -14	2	Partial capture
08-14 18:19	80m	-11 / -	R6DOB/7	- / -10	3	Partial capture
08-14 17:53	160m	-20 / -	R2UZ/P	- / -4	5	✓ Closing fragment
08-14 01:11	80m	-8 / -2	RC2DD	+10 / 0	4	✓ Full exchange observed
08-10 18:07	80m	-6 / -	RD9FC	-24 / -8	4	✓ Closing observed
08-10 18:04	80m	-6 / -	R50RKZ	- / +2	3	✓ Closing fragment
08-09 23:25	80m	-6 / -11	RA9MAI	-18 / -13	4	✓ Full exchange observed
08-09 23:12	80m	-6 / -8	R2FDU	+2 / -4	4	✓ Full exchange observed
08-09 21:58	80m	-15 / -13	RA9UFJ	-15 / -	2	✓ Closing observed
08-09 03:20	40m	-16 / -	D2UY	- / -16	2	Partial capture
08-08 20:56	80m	-6 / -	<...>	- / -9	2	Partial capture
08-08 20:54	80m	-7 / -7	R4WQ	-8 / -6	3	✓ Full exchange observed
08-08 20:53	80m	0 / -	R6YG	-20 / -16	3	✓ Closing observed
08-08 20:47	160m	-13 / -2	RA9YTI	-20 / -8	5	✓ Full exchange observed
08-08 20:44	160m	- / -	SV8JE	-2 / -	3	Partial capture
08-08 20:43	160m	-8 / -5	RA4L	-17 / -5	3	✓ Full exchange observed
08-07 20:53	80m	-8 / -8	R7FG	-2 / -9	5	✓ Full exchange observed
08-07 20:52	80m	-7 / -	R4SCQ	- / -6	2	✓ Closing fragment
08-06 20:39	160m	-18 / -	R3TKN	-21 / +4	2	Partial capture
08-04 19:40	160m	- / -	RO7A	-12 / -	2	✓ Closing fragment
08-04 19:28	160m	-22 / -	R50RKZ	- / +4	3	✓ Closing fragment
08-03 20:08	160m	-22 / -	UB1OBV	- / -16	2	✓ Closing fragment
08-03 20:04	80m	- / -1	OH2CGU/P	-10 / -	2	Partial capture
07-31 18:49	80m	-8 / 0	R2DP	-3 / -16	4	✓ Full exchange observed
07-31 18:46	80m	-7 / -12	UA4WCS	-6 / -3	9	✓ Full exchange observed
07-31 18:45	80m	-4 / -9	R9UBP	-24 / -16	3	✓ Full exchange observed
07-31 18:44	80m	-8 / -5	RW4HUD	-14 / -11	4	✓ Full exchange observed
07-31 18:41	80m	-9 / -9	UB3ADO/P	-14 / -12	5	✓ Full exchange observed
07-30 20:10	160m	-8 / -	<...>	- / -8	2	Partial capture
07-30 20:07	160m	-16 / -	R1BLO	-17 / -	2	✓ Closing observed
07-30 19:51	160m	-10 / -7	R2PT	-4 / -12	5	✓ Full exchange observed
07-30 19:51	160m	-10 / -9	UA3QQG	-14 / -10	4	✓ Full exchange observed
07-30 19:48	160m	-9 / 0	RA3LCI	-10 / -10	4	✓ Full exchange observed
07-30 19:47	160m	-4 / +6	RA1AGX	+2 / -2	6	✓ Full exchange observed
07-30 19:44	160m	-5 / -	RA3LCI	- / -13	4	Partial capture
07-30 19:37	80m	+1 / -1	RC6OD	+8 / -	3	✓ Closing observed
07-30 19:14	160m	-11 / -	R70OBN	-13 / -2	3	✓ Closing observed
07-30 19:04	80m	+4 / -7	HA7XL	+13 / -3	4	✓ Full exchange observed
07-30 19:03	80m	-7 / -	RZ9I	- / -20	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
203500 -21 2243  VK6BAD RQ4F -10 (x2)
032030 -15 1882  RQ4F CN8NS RR73
032045 -15 2004  D2UY RQ4F -16 (x2)
033045 -23 1796  RU1QD RQ4F RR73
025515  -5 1791  PV8AJ RQ4F -08 (x3)
031600  -8 2574  UB8QBI RQ4F -05 (x2)
031700  +0 2574  RD7O RQ4F +04
031715  -2 2445  RQ4F RD7O R+07
031730  -6 2574  RD7O RQ4F RR73
031745  -1 2445  RQ4F RD7O 73

160m

UTC    dB Audio  Message
204915 -12 1953  RA9YTI RQ4F RR73
204930 -20 1649  RQ4F RA9YTI 73
205045 -12 1953  RK3DWA/3 RQ4F -10
175345 -24 1887  R2UZ/P RQ4F -04 (x5)
183615 -12 1775  <...> RQ4F -18
184445 -16 1301  RA3LCI RQ4F -12 (x2)
190145 -10 1105  R2EA/P RQ4F -17 (x2)
183415 -14 1569  <...> RQ4F LO23 (x2)

80m

UTC    dB Audio  Message
003215  +3 2353  RQ4F R9CS/P 73
180145 -17 1426  UF4S/P RQ4F +01
180545  -5 2483  UA3XDR RQ4F -05 (x3)
181315  -8 2347  UF4S/P RQ4F -02 (x7)
181630 -10 1215  RQ4F UF4S/P R-01
181645 -10 2346  UF4S/P RQ4F RR73
181700  -8 1215  RQ4F UF4S/P 73

20m

UTC    dB Audio  Message
104115  -7 1289  RQ4F UC7T R-11 (x2)
104330  -5 2169  UB8LAR RQ4F -11 (x2)
150715 -15 1252  JQ2LVH RQ4F RR73
041245 -22 1835  OJ0Z RQ4F -12
041230 +12 2792  R9FDE/P RQ4F +07
164815  +7 2912  VK5PO/P RQ4F -09
083630 -21 2030  UB6OCD RQ4F +01 (x2)
164845 -19 1959  <...> RQ4F -09
165830 -15 1935  RQ4F M1WLK -20
151845  -3 3032  <...> RQ4F -05
073015  -6 2691  R6DOB/M RQ4F -02
073030  -4 2629  RQ4F R6DOB/M R-06

10m

UTC    dB Audio  Message
100630 -12 1648  RQ4F RM3TO LO15
115900 -15 1762  RX7O RQ4F RR73
115930 -18 1763  RK3AW RQ4F R+05
120100 -16 1763  EA1CQ RQ4F RR73
120200 -11 1763  RY2B RQ4F +03 (x2)
120315 -15 1763  RL6MT RQ4F -15 (x2)
120445 -18 1762  TA2EE RQ4F -15
120630 -24 1762  UB6OCP RQ4F -09 (x2)
120900 -22 1748  UB6OCB RQ4F -06
120930 -18 1749  RD6ZQ RQ4F -08
121100 -23 1750  UB6OCB RQ4F RR73
121315 -21 1736  R6OP RQ4F RR73

Decoder S/N history by band

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