R9FDE — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: LO88

Receiver-side FT8 activity involving R9FDE, decoded by SO8OO in southeastern Poland. 1,660 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 77 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-08.

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 1,660 FT8 messages attributed to R9FDE as the transmitting token by decoded message structure across 77 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (80%), followed by 40 m (15%) and 80 m (5%). Most decodes (72%) fell within the six-hour window 12:00-18:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10.7 dB.

Overview

1,660

Messages attributed

UTC dates decoded

299

Active 15-min windows

-10.7 dB

Estimated median S/N

Bands

80m · 76 40m · 252 20m · 1,332

First attributed message: 2026-06-06
Last attributed message: 2026-10-08 16:12 UTC

Observed FT8 message patterns

Attributed sample: 1,660 messages
Active dates: 77 UTC dates
Estimated median S/N: -10.7 dB
Estimated 10th-90th percentile: -19.9 to 0 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 406, moderate (-15 to -9 dB) 603, strong (≥ -8 dB) 651.

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 R9FDE in decoded directed-looking exchanges:

BG2GWN · China ×2 DL6MRM · Fed. Rep. of Germany ×2 G8YPE · England ×2 LY5A · Lithuania ×2 M7VME · England ×2 R6OIZ · European Russia ×2 4X1ST · Israel 4X5EX · Israel 5Z4VJ · Kenya 7Z1FF · Saudi Arabia 8S2A · Sweden 9A5GG · Croatia

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 R9FDE

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: LO88 · 999 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,444 km (approx.)
Last such locator decoded: 2026-10-08 16:12 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	R9FDE S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-08 16:17	40m	- / -18	ON3URT	-12 / -	2	Partial capture
10-08 16:12	40m	- / -18	ON3URT	-7 / -	5	Partial capture
10-08 16:06	40m	-14 / -	SQ8AA	- / -	2	Partial capture
10-07 16:12	40m	- / -10	TM47CDXC	-1 / -	2	Partial capture
10-07 16:01	40m	- / -16	DB3OI	-2 / -	2	Partial capture
10-07 15:58	40m	-10 / -	SQ9SET	- / -10	3	✓ Closing fragment
10-07 15:52	40m	- / -6	R2FL	-1 / -	2	✓ Closing fragment
10-07 15:47	40m	- / -13	PD2NBE	-18 / -	2	✓ Closing fragment
10-07 15:40	40m	- / -12	DF0NN	-14 / -	2	✓ Closing fragment
10-07 15:34	40m	-12 / -	G6PWS	- / -10	4	✓ Closing fragment
10-07 15:32	40m	-8 / -	G8YPE	- / -	2	✓ Closing fragment
10-07 15:30	40m	-21 / -15	F6FLU	0 / -8	4	✓ Full exchange observed
10-06 17:11	40m	- / -12	LZ1AAW	+2 / -	2	Partial capture
10-06 17:02	40m	- / -5	ON6YX	+2 / -	2	✓ Closing fragment
10-06 16:45	40m	-17 / -	DL2MGH	-2 / -12	2	✓ Closing observed
10-06 16:41	40m	-14 / -	IT9GMD	- / -	2	Partial capture
10-06 16:31	40m	- / -7	M1DBB	-5 / -	4	✓ Closing fragment
10-06 16:25	40m	- / -	F6FHZ	-8 / -	6	✓ Closing fragment
10-06 16:24	40m	-8 / +3	DL6MRM	-1 / -2	5	✓ Full exchange observed
10-06 16:12	40m	-14 / -14	F4LHL	-4 / -12	4	✓ Full exchange observed
10-06 16:07	40m	- / 0	DB2OE	+8 / -	2	✓ Closing fragment
10-05 15:59	40m	-18 / -	IQ0AAX	-17 / -16	3	✓ Closing observed
10-05 15:54	40m	-8 / -	VJ6X	- / -16	2	Partial capture
10-05 15:51	40m	-7 / -2	9A2AJ	+4 / -3	5	✓ Full exchange observed
10-05 15:49	40m	- / -16	TK4QP	-7 / -	2	✓ Closing fragment
10-05 15:46	40m	-6 / -12	YO2UKG	+14 / -13	5	✓ Full exchange observed
10-05 15:45	40m	-6 / -	OE1TKS	- / -19	2	✓ Closing fragment
10-05 15:42	40m	-16 / -2	LZ936BA	+6 / -	2	Partial capture
10-05 15:41	40m	-13 / -14	IQ2AAH	-8 / -	6	✓ Closing observed
10-03 03:26	40m	-22 / -7	PD2JR	-19 / -	2	Partial capture
10-03 03:24	40m	-24 / 0	OL1TWR	-24 / -9	2	Partial capture
10-03 03:21	80m	- / -7	R3ICU	-6 / -	2	✓ Closing fragment
10-03 03:17	80m	- / -4	OH5KNL	+8 / -	2	✓ Closing fragment
10-03 03:10	80m	- / -10	RM5F	-2 / -	3	✓ Closing fragment
10-03 02:51	80m	-9 / -	DO2PY	- / -23	5	Partial capture
10-03 02:50	80m	-16 / -13	LZ936BA	-4 / -10	2	Partial capture
10-03 02:48	80m	-12 / -11	DA6OOM	-6 / -	2	Partial capture
10-03 02:47	80m	-10 / -	UR4QWW	- / -	2	Partial capture
10-03 02:40	80m	-12 / +6	OH7FNB	-12 / -2	4	✓ Full exchange observed
10-03 02:28	40m	-14 / -	YU65AEC	- / -8	3	Partial capture
10-03 02:02	40m	-19 / -16	F4DZF/P	-3 / -	4	✓ Closing observed
10-03 02:01	40m	-20 / -15	EA4EQ	-17 / -3	3	Partial capture
10-03 01:46	80m	-10 / -24	EA7LIC	-8 / -23	3	✓ Full exchange observed
10-03 01:43	80m	-5 / -11	DC7LR	+3 / -15	5	✓ Full exchange observed
10-03 01:37	80m	-15 / -	RC9OC	- / -16	4	✓ Closing fragment
10-03 01:36	80m	-7 / -	EA7LIC	- / -	2	Partial capture
10-03 01:31	80m	-12 / -10	DF2NV	+13 / -8	4	✓ Full exchange observed
10-03 01:25	80m	-10 / -22	EB5GIE	-5 / -16	9	✓ Full exchange observed
10-03 01:20	80m	-12 / -16	DO1OAS	-9 / -	6	✓ Closing observed
10-03 01:20	80m	-10 / -	RA3VX	-4 / -2	8	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
155945  -8  891  SQ9SET R9FDE 73
160100  -3  930  R9FDE DB3OI -16 (x2)
161200  -2  817  R9FDE TM47CDXC -10 (x2)
160645 -15 2217  SQ8AA R9FDE LO88 (x2)
161200  -8  249  R9FDE ON3URT -18
161215 -16 2216  SQ8AA R9FDE LO88
161230 -10  249  R9FDE ON3URT -18 (x6)

80m

UTC    dB Audio  Message
024830  -6  621  R9FDE DA6OOM -11
025000  -4 1617  R9FDE LZ936BA -13
025015 -16 1619  LZ936BA R9FDE R-10
025130  -7  831  DO2PY R9FDE LO88 (x5)
031030  +5  752  R9FDE RM5F KO85 (x3)
031700  +3 2416  R9FDE OH5KNL -04 (x2)
032130  -3 1315  R9FDE R3ICU -07 (x2)

20m

UTC    dB Audio  Message
155230  +4 1687  R9FDE G4UJS -13 (x2)
160215 -10  326  G4UJS R9FDE R-08 (x2)
160430 -11  927  G3ZDQ R9FDE LO88 (x2)
160630 -20 1238  UA2FAZ R9FDE R-12
160730 -24 1148  OH1OCA R9FDE -08
161030  +0 1260  R9FDE DL0XD RR73
161330  -7  774  M1AYZ R9FDE LO88 (x2)
162645  -2 1212  SP7EL R9FDE LO88
152200  -4 1298  OE3MZC R9FDE R-10 (x3)

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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