R2FEA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Kaliningrad Most frequent locator attributed to this token: KO04

Receiver-side FT8 activity involving R2FEA, decoded by SO8OO in southeastern Poland. 1,112 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 30 UTC dates in the available aggregate history. Observed between 2026-07-25 and 2026-09-12.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 1,112 FT8 messages attributed to R2FEA as the transmitting token by decoded message structure across 30 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (65%), followed by 40 m (29%) and 20 m (5%). Most decodes (95%) fell within the six-hour window 15:00-21:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (90%); the estimated median was +6.1 dB.

Overview

1,112

Messages attributed

UTC dates decoded

Active 15-min windows

+6.1 dB

Estimated median S/N

Bands

80m · 724 40m · 327 20m · 61

First attributed message: 2026-07-25
Last attributed message: 2026-09-12 19:45 UTC

Observed FT8 message patterns

Attributed sample: 1,112 messages
Active dates: 30 UTC dates
Estimated median S/N: +6.1 dB
Estimated 10th-90th percentile: -8.8 to +17 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 23, moderate (-15 to -9 dB) 90, strong (≥ -8 dB) 999.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with R2FEA in decoded directed-looking exchanges:

DK7ZT · Fed. Rep. of Germany ×4 RA2FU · Kaliningrad ×3 F1PBZ · France ×2 PI4DX · Netherlands ×2 R7DX · European Russia ×2 EA3HMM · Spain ×2 OK2VCR · Czech Republic ×2 RZ6CO · European Russia ×2 S57AM · Slovenia ×2 UA3GJM · European Russia ×2 HA3HZ · Hungary ×2 R1AV · European Russia ×2

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to R2FEA

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: KO04 · 239 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 510 km (approx.)
Last such locator decoded: 2026-09-03 18:53 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	R2FEA S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-14 13:26	10m	- / +4	5Z4VJ	-14 / -	2	✓ Closing fragment
09-12 19:41	40m	+5 / +1	HB9HSJ	-2 / +4	4	✓ Full exchange observed
09-12 19:39	40m	+8 / -	M8UKQ	- / -8	4	✓ Closing fragment
09-12 19:37	40m	+4 / -	CN8NS	- / -13	4	Partial capture
09-12 19:35	40m	+12 / -	R1QF	- / -12	2	Partial capture
09-12 19:33	80m	+10 / -	OM2WW	- / -7	2	Partial capture
09-12 19:31	80m	+16 / -	RL7Z	-12 / -15	4	✓ Closing observed
09-12 19:30	80m	+12 / -	R4HLM	- / -16	3	✓ Closing fragment
09-12 19:27	80m	+16 / -	OH5CY	- / +2	3	Partial capture
09-12 19:26	80m	+12 / -	SQ8V	- / -11	2	Partial capture
09-12 19:25	80m	+8 / -4	OG6N	+1 / +1	4	✓ Full exchange observed
09-12 19:21	80m	+6 / -	OE5ABL	- / -17	2	✓ Closing fragment
09-12 19:15	80m	0 / -	EH3ST	- / -14	2	✓ Closing fragment
09-12 19:13	80m	+1 / -	EA1IOK	- / -25	3	Partial capture
09-12 19:10	80m	+2 / -	R3PLA	- / -22	3	✓ Closing fragment
09-12 19:07	80m	-10 / -	9A9N	-12 / -15	3	✓ Closing observed
09-12 19:04	80m	-4 / +8	YO5USA	-10 / -12	20	✓ Full exchange observed
09-12 19:03	80m	+4 / -	OK1VKX	+6 / 0	5	✓ Closing observed
09-12 19:02	80m	+6 / -	IK5AUL	-4 / -10	3	✓ Closing observed
09-12 18:59	80m	+8 / -1	DO4TYW	-14 / -15	3	✓ Full exchange observed
09-12 18:56	80m	+5 / -	R3ICU	-14 / -14	5	✓ Closing observed
09-12 18:54	80m	+1 / -	OH1TK	- / -4	2	✓ Closing fragment
09-12 18:54	80m	+4 / +5	DL0RDG	-7 / -4	5	✓ Full exchange observed
09-12 18:54	80m	- / -	OG6N	-1 / -	3	Partial capture
09-12 18:53	80m	+1 / +5	UB2FDL	-7 / +4	3	✓ Full exchange observed
09-09 19:44	80m	+8 / -	5Z4VJ	- / -18	4	Partial capture
09-09 19:40	80m	+13 / -	4L7T	-15 / -25	5	✓ Closing observed
09-09 19:39	80m	+14 / -8	9A5E	+1 / +5	4	✓ Full exchange observed
09-09 19:38	80m	+8 / -	RA3PGR	- / -5	2	Partial capture
09-09 19:35	80m	+6 / -2	SP7CS	+2 / -	4	✓ Full exchange observed
09-09 19:32	80m	+6 / -9	RN6HK	-4 / -15	4	✓ Full exchange observed
09-09 19:31	80m	+12 / -	RU4B	- / -20	2	✓ Closing fragment
09-09 19:29	80m	+6 / -8	RA3TVW	-12 / -8	3	✓ Full exchange observed
09-09 19:29	80m	+6 / -	DD1OO	-18 / -16	3	✓ Closing observed
09-09 19:27	80m	+9 / -5	R1AV	-6 / +4	4	✓ Full exchange observed
09-09 19:26	80m	+12 / -	DO6AZ	+1 / -5	3	✓ Closing observed
09-09 19:13	80m	+14 / +4	R3AP	+6 / -3	3	✓ Full exchange observed
09-09 19:12	80m	+16 / -1	DH1KJ	-1 / -5	4	✓ Full exchange observed
09-09 19:11	80m	+9 / -	5Z4VJ	- / -25	2	Partial capture
09-09 19:08	80m	+11 / -	RA3RPW	- / -5	3	✓ Closing fragment
09-09 19:07	80m	+9 / -	MM0ULL	-14 / -12	4	✓ Full exchange observed
09-09 19:06	80m	+16 / -8	UA4POO	-20 / -10	4	✓ Full exchange observed
09-09 19:05	80m	+17 / -3	PE2JMR	0 / -1	4	✓ Full exchange observed
09-09 19:04	80m	+16 / -	UA4NCX	- / -14	2	Partial capture
09-09 19:02	80m	+22 / +1	RC2Y	-7 / -5	5	✓ Full exchange observed
09-09 19:01	80m	+20 / -	M9DNC	- / -16	2	✓ Closing fragment
09-09 18:56	80m	+16 / -	IZ5IMD	- / -7	2	Partial capture
09-09 18:55	80m	+16 / -	5Z4VJ	- / -24	7	Partial capture
09-09 18:53	80m	+14 / -5	UD7G	+1 / -4	4	✓ Full exchange observed
09-09 18:52	80m	+22 / -	G3ZRN	- / -14	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
165945 -18 1784  R2FEA PE9JAN JO22
140545 -15 1020  R2FEA RY6O KN87
140545 -20 1746  R2FEA R7DX KN84
140615  -9 1020  R2FEA RY6O KN87
140615 -15 1746  R2FEA R7DX KN84
140645 -13 1019  R2FEA RY6O KN87
140645 -14 1745  R2FEA R7DX R-08 (x2)
140845 -18 1018  R2FEA RY6O KN87
140945 -18 2185  R2FEA IK6DTB JN72 (x2)
141045  -9  884  R2FEA RU6K -01
091600 -13  996  R2FEA IW8PQ R+08
132630 -14 2389  R2FEA 5Z4VJ R+04 (x2)

40m

UTC    dB Audio  Message
193545 +16 2795  R1QF R2FEA -12 (x2)
193715  +7 2406  CN8NS R2FEA -13 (x4)
193945 +11  656  M8UKQ R2FEA -08 (x2)
194100  +5 1941  HB9HSJ R2FEA +04
194115  +3 1940  R2FEA HB9HSJ R+01
194130  +5 1941  HB9HSJ R2FEA RR73
194145  -7 1940  R2FEA HB9HSJ 73
194215  +2 1940  M8UKQ R2FEA RR73 (x2)
194500  +7 2054  HB0/HB9FXF R2FEA -05

80m

UTC    dB Audio  Message
192630 +16  908  SQ8V R2FEA -11 (x2)
192745 +19  908  OH5CY R2FEA +02 (x3)
192945 +14  909  DL1UDO R2FEA -08
193015 +13  908  R4HLM R2FEA -16 (x2)
193100 -12  917  R2FEA RL7Z KN98
193115 +20  908  RL7Z R2FEA -15 (x2)
193200 -12  917  R2FEA RL7Z 73
193215 +12  908  R4HLM R2FEA RR73
193330 +10 1932  OM2WW R2FEA -07 (x2)

20m

UTC    dB Audio  Message
180045 -20 2548  R2FEA HL2KV RR73
180345 -13  756  R2FEA 9A60CBM R-14
154200  -8 1774  R2FEA EX8BT RR73 (x2)
184230  -2 3047  R2FEA DK7ZT -15 (x2)
184330  +4 2533  R2FEA PD0HLA JO22 (x3)
185415  -5 1979  R2FEA GJ0KYZ IN89
185615  +1  974  R2FEA EA1AOC IN83 (x5)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

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