R4FEO — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving R4FEO, decoded by SO8OO in southeastern Poland. 449 related FT8 messages, 7 CQ messages, observed on 40m, 20m, 10m, across 18 UTC dates. Heard between 2026-06-20 and 2026-08-15.

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

449

Related messages

CQ messages

UTC dates heard

-10 dB

Mean decoder S/N

Bands

40m 20m 10m

First seen: 2026-06-20
Last seen: 2026-08-15 19:06 UTC

Frequent QSO partners observed at SO8OO

Stations R4FEO worked most often, as logged from our receiver:

SQ8LE · Poland ×3 R4FS · European Russia ×2 I1RJP · Italy ×2 OH5KNL · Finland ×2 UA3POG · European Russia ×2 EU4U · Belarus ×2 F5RRS · France ×2 YO4NT · Romania ×2 R4HLO · European Russia RK3AQ · European Russia YO6OGW · Romania RC2P · European Russia

Activity Heatmap

Locator transmitted by R4FEO

Approximate centre of LO23, decoded 2026-08-15 21:05 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	R4FEO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-15 21:05	40m	-10 / -10	R50RKZ	-4 / -5	5	✓ Full exchange observed
08-15 20:52	40m	- / -15	ON4CJU	-17 / -	3	✓ Closing fragment
08-15 20:40	40m	- / -12	SV1DKR	-16 / -	2	✓ Closing fragment
08-15 20:38	40m	-16 / -	SQ8LE	- / -15	4	✓ Closing fragment
08-15 20:35	40m	-4 / -5	DM2RM	+12 / -8	5	✓ Full exchange observed
08-15 20:32	40m	-8 / -1	IU5TFD	-6 / -	4	Partial capture
08-15 20:26	40m	- / -10	IU2HUQ	-18 / -	2	Partial capture
08-15 20:25	40m	-16 / -	YO4GIY	- / -9	2	Partial capture
07-30 19:25	40m	-12 / -	DL6MRM	- / -	2	Partial capture
07-30 19:07	40m	-17 / -10	F5RRS	-13 / -	5	✓ Full exchange observed
07-30 19:06	40m	-18 / -	RL2F	- / -16	2	✓ Closing fragment
07-30 19:02	40m	-21 / -4	R3TIT	-15 / -	4	✓ Closing observed
07-30 18:59	40m	-19 / -6	9A4ZM	-10 / -20	12	Partial capture
07-30 18:55	40m	-16 / -	UA4POO	- / -5	2	Partial capture
07-30 18:52	40m	-4 / -8	IK4LZH	-8 / -18	6	Partial capture
07-30 18:48	40m	-9 / -10	9A4ZM	-2 / -19	8	Partial capture
07-30 18:46	40m	-20 / -	R1BDX	- / -6	2	✓ Closing fragment
07-30 14:08	40m	- / -	SP3IPA	-15 / -	2	Partial capture
07-29 22:48	40m	-16 / -18	F5RRS	-20 / -	3	✓ Closing observed
07-29 22:47	40m	-17 / -	LB9ZG	- / -18	3	✓ Closing fragment
07-29 22:38	40m	- / -4	M0MLS	-22 / -	3	✓ Closing fragment
07-29 22:37	40m	- / -18	G0ANS	-9 / -	3	✓ Closing fragment
07-29 22:28	40m	-19 / 0	RK6OV	-10 / -	5	✓ Closing observed
07-29 22:27	40m	-18 / -13	HA7TM	-10 / -	5	✓ Closing observed
07-29 22:24	40m	-16 / -15	DL9KM	-18 / -	4	✓ Closing observed
07-29 22:20	40m	- / +7	SP6JIU	+4 / -	3	✓ Closing fragment
07-29 21:53	40m	-23 / -	RA3WY	-9 / +4	2	Partial capture
07-29 21:53	40m	- / -1	RA3ZDU	-11 / -	3	✓ Closing fragment
07-29 21:44	40m	-12 / -	RX3ASQ	- / -	2	Partial capture
07-29 21:42	40m	- / -	RA3WY	-17 / -	3	Partial capture
07-29 21:38	40m	-16 / -	DK0SE	-17 / -15	3	✓ Closing observed
07-29 21:32	40m	- / -	DK8HC	-10 / -	4	Partial capture
07-29 21:31	40m	-16 / -	R6FFE	- / -16	4	✓ Closing fragment
07-29 21:30	40m	- / +3	R2AL	-6 / -	2	✓ Closing fragment
07-29 21:30	40m	- / -	RA3WY	-12 / -	6	Partial capture
07-29 21:23	40m	-14 / -9	M6WRB	-16 / -	3	Partial capture
07-29 21:11	40m	- / -9	EW2ZC	-8 / -	2	✓ Closing fragment
07-29 21:11	40m	- / -	RA3WY	-12 / -	4	Partial capture
07-29 21:08	40m	-18 / -	IT9ACJ	- / -	3	Partial capture
07-29 21:05	40m	-12 / -	SQ9SET	- / -	6	Partial capture
07-23 18:36	40m	- / -13	IK4RVY	-20 / -	2	✓ Closing fragment
07-23 18:35	40m	- / -7	SQ8LE	-14 / -	2	✓ Closing fragment
07-23 18:21	40m	- / +2	RK3AQ	-14 / -	2	✓ Closing fragment
07-23 18:09	40m	- / -	LZ1ZF	-13 / -	2	✓ Closing fragment
07-23 18:05	40m	- / -	9A4ZM	-8 / -	2	Partial capture
07-23 18:03	40m	- / -4	EU1FQ	-10 / -	4	Partial capture
07-21 17:50	40m	- / -12	PA2MD	-8 / -	2	Partial capture
07-21 16:53	40m	- / +5	UA3PAB	-14 / -	3	✓ Closing fragment
07-21 16:48	40m	- / -	DL2KBQ	-18 / -	2	Partial capture
07-20 18:37	40m	-6 / -2	EU4U	-1 / -13	12	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
203630  -8  745  DL1EL R4FEO LO23
203800 -14 2215  SQ8LE R4FEO LO23 (x4)
204045 -16 1956  R4FEO SV1DKR -12 (x2)
205245 -16 1279  R4FEO ON4CJU -15 (x3)
210515 -11 2282  R50RKZ R4FEO LO23
210530  -5 2282  R4FEO R50RKZ -10
210545 -10 2282  R50RKZ R4FEO R-05
210600  -3 2282  R4FEO R50RKZ RR73
210615  -9 2281  R50RKZ R4FEO 73

20m

UTC    dB Audio  Message
213900  +0 2858  R4FEO BI4XDT R-10
184600 -16 1124  R4FEO IQ9BF -07 (x3)
211115 -13 2219  R4FEO YO4DW RR73 (x3)
222645 -12 2045  R4FEO EC3A -15 (x3)
172445  -6 2439  R4FEO OE6HTG -09 (x2)
135615 -17 1972  EX8ABR R4FEO LO23
135645 -21 1586  CQ R4FEO LO23
135815 -10 2631  RA9LL R4FEO LO23

10m

UTC    dB Audio  Message
175945  -9 1706  R4FEO RW9WJ LO84 (x2)

Decoder S/N history by band

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