R8FB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: LO87

Receiver-side FT8 activity involving R8FB, decoded by SO8OO in southeastern Poland. 1,230 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 41 UTC dates in the available aggregate history. Observed between 2026-06-10 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 1,230 FT8 messages attributed to R8FB as the transmitting token by decoded message structure across 41 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (38%), followed by 80 m (35%) and 20 m (14%). Most decodes (57%) 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 (61%); the estimated median was -7 dB.

Overview

1,230

Messages attributed

UTC dates decoded

170

Active 15-min windows

-7 dB

Estimated median S/N

Bands

160m · 162 80m · 428 40m · 462 20m · 177 10m · 1

First attributed message: 2026-06-10
Last attributed message: 2026-09-12 02:36 UTC

Observed FT8 message patterns

Attributed sample: 1,230 messages
Active dates: 41 UTC dates
Estimated median S/N: -7 dB
Estimated 10th-90th percentile: -15 to +2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 107, moderate (-15 to -9 dB) 368, strong (≥ -8 dB) 755.

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 R8FB in decoded directed-looking exchanges:

RK6OV · European Russia ×3 RI1FJL · Franz Josef Land ×3 R1TAX · European Russia ×2 UA4LDP · European Russia ×2 UA9FFV · European Russia ×2 DL9KM · Fed. Rep. of Germany ×2 8S7DL · Sweden ×2 OZ2LC · Denmark ×2 RC6OD · European Russia ×2 RK6MC · European Russia ×2 RW0AE · Asiatic Russia ×2 UB0SMX/P · Asiatic 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 R8FB

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: LO87 · 467 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,432 km (approx.)
Last such locator decoded: 2026-09-12 02:36 UTC

Other locator fields attributed to this token: LO88 (83).

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	R8FB S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-12 02:25	40m	-14 / -	J38LD	- / 0	2	Partial capture
09-12 01:56	40m	-4 / -	J38LD	- / -	2	Partial capture
09-12 01:54	40m	+7 / -	7Z1BQ	- / -12	3	✓ Closing fragment
09-12 01:52	40m	+3 / -	CE8WBJ	- / 0	3	Partial capture
09-12 01:50	40m	-6 / -	BG0FQU	- / -4	3	✓ Closing fragment
09-12 01:49	40m	-2 / -	PY1USK	- / -14	2	✓ Closing fragment
09-11 16:30	160m	- / -	UA6HJT	-7 / -	3	✓ Closing fragment
09-06 03:49	40m	-5 / -10	T77NC	+6 / -	3	✓ Closing observed
09-06 02:56	40m	+6 / -	T77NC	- / -9	3	Partial capture
09-06 02:50	40m	-2 / -	HI3K	- / -6	7	Partial capture
09-05 19:00	160m	- / -	OK1FRG	+7 / -	3	Partial capture
09-05 18:59	160m	- / -	R9CS/P	-10 / -	2	✓ Closing fragment
09-05 18:32	160m	- / -	OK1FRG	+10 / -	4	Partial capture
09-05 18:31	160m	- / +3	R3GO	-10 / -	2	✓ Closing fragment
09-05 18:22	160m	- / -1	UB4Y	-16 / -	2	✓ Closing fragment
09-05 18:03	160m	-10 / +2	EW1I	+6 / -6	4	✓ Full exchange observed
09-05 17:35	160m	-7 / -	UA4LDP	- / +1	3	✓ Closing fragment
09-05 03:02	40m	-18 / -	PV8AJ	- / -	2	Partial capture
09-05 02:48	80m	- / -14	DO1ID	+14 / -	3	Partial capture
09-05 02:48	80m	-22 / -8	R7FQ	-3 / -9	5	✓ Full exchange observed
09-05 02:39	80m	-16 / -	CE8EIO	- / -3	3	Partial capture
09-05 02:33	80m	-6 / -	CE8EIO	- / -14	5	Partial capture
09-05 02:29	80m	-11 / -	CX6TU	- / -20	4	✓ Closing fragment
09-05 02:27	80m	-6 / -11	RV6F	-9 / 0	5	✓ Full exchange observed
09-05 02:23	80m	-4 / 0	RA4FP	+8 / -	6	✓ Full exchange observed
09-05 02:21	80m	-9 / -1	R4FES	-17 / +6	4	✓ Full exchange observed
09-05 02:19	80m	-10 / -9	R2HH	+2 / +4	5	✓ Full exchange observed
09-05 02:15	80m	-4 / -	F4CTJ	- / -	3	Partial capture
09-04 17:34	80m	+1 / -	RA6ATZ	+4 / 0	4	✓ Closing observed
09-04 17:18	80m	-2 / -	UA9FMT	- / -	2	✓ Closing fragment
09-04 17:16	80m	-3 / -	UA3RN	- / +2	3	✓ Closing fragment
09-04 17:03	80m	-9 / +7	R1FB	-5 / -7	5	✓ Full exchange observed
09-04 17:03	80m	-8 / -1	UA3NCN	-14 / +1	5	✓ Full exchange observed
09-04 16:45	80m	- / -	LY2BNL	-14 / -	2	Partial capture
09-04 16:44	80m	-12 / -4	R6ZCE	-9 / -2	5	✓ Full exchange observed
09-04 16:40	80m	-2 / -	RI1FJL	- / -12	2	✓ Closing fragment
09-04 16:10	80m	-8 / 0	9K2HS	-18 / -4	5	✓ Full exchange observed
09-04 15:53	80m	-9 / +2	UA4QK	-16 / -	4	✓ Full exchange observed
09-04 15:47	80m	-14 / +6	RA4CGH	-18 / -1	6	✓ Full exchange observed
09-04 15:44	80m	-15 / -	UA4LDP	- / +10	4	✓ Closing fragment
09-04 15:40	80m	-18 / -	R9JT	- / -7	3	✓ Closing fragment
09-04 15:38	80m	-16 / +4	RC1TF	-14 / -4	5	✓ Full exchange observed
09-04 15:37	80m	-16 / -	UN7P	- / +8	3	✓ Closing fragment
09-04 15:33	80m	-20 / -	RA9YJU	- / +7	2	✓ Closing fragment
08-31 17:43	160m	- / -19	EW6FL	-4 / -	2	✓ Closing fragment
08-31 17:39	160m	- / -1	R3PA	-18 / -	2	✓ Closing fragment
08-31 17:27	40m	+4 / -	RI1FJL	- / -18	3	✓ Closing fragment
08-30 17:01	40m	0 / -	VU3IHP	- / -	2	Partial capture
08-30 16:49	40m	-2 / -	TA4CSA	-15 / +4	6	✓ Full exchange observed
08-30 16:46	40m	0 / -	V51NA	- / -20	4	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
015030  -8  233  BG0FQU R8FB LO87 (x3)
015200  +4 2625  CE8WBJ R8FB +00 (x3)
015430 +11  455  7Z1BQ R8FB LO87 (x3)
015600  -5  728  J38LD R8FB LO87 (x4)
023415 -12 2494  R8FB J38LD 73
023600  -2 2796  LU1DG R8FB LO87

160m

UTC    dB Audio  Message
182230 -17 1068  R8FB UB4Y RR73
183145 -11 1293  R8FB R3GO +03 (x2)
183245  +6 2800  R8FB OK1FRG JN79 (x4)
185930  -9 2526  R8FB R9CS/P +22 (x2)
190030  +9  299  R8FB OK1FRG JN79 (x3)
163045  -7  587  R8FB UA6HJT LN14 (x3)

80m

UTC    dB Audio  Message
024715 -18  951  CQ R8FB LO87 (x2)
024800  -2 2028  R8FB R7FQ LN05
024800 +13  382  R8FB DO1ID -14
024815 -20  951  R7FQ R8FB -09
024830  +0 2029  R8FB R7FQ R-08
024830 +15  382  R8FB DO1ID -14
024845 -24  951  R7FQ R8FB RR73
024900  -6 2029  R8FB R7FQ 73
024915 -13  951  CQ R8FB LO87 (x2)
025000 +14  382  R8FB DO1ID -25
025030  -8  951  YL3AVN R8FB LO87
025115 -24  951  CQ R8FB LO87 (x2)

20m

UTC    dB Audio  Message
130415  -9  460  XU7O R8FB LO87 (x2)
131315 -16 2471  DS1TUW R8FB LO87
133345  -8  484  XU7O R8FB LO87 (x2)
134200 -15 2325  R0AH R8FB LO87 (x3)
234945  -4 2039  R8FB VE3DZ -14 (x2)
235230  +0 1290  R8FB XQ1KK R-10
023515  +0  923  R8FB NM1G -07 (x2)
145045  -9 1684  RI1FJL R8FB -04 (x2)

10m

UTC    dB Audio  Message
125245  -7  459  R8FB RT6DU RR73
125345 -14 1018  R8FB R7OV KN87 (x2)
084600  -3 2712  R8FB IQ4JO 73
055815  -3 2340  R8FB LZ2RR +01 (x2)
060230 -16 1526  R8FB RK6OV KN97 (x5)
060700 -16 2100  R8FB RA1N R+03
061045 -15 1300  R8FB RA1WZ R+01 (x2)
061245 -13 2619  R3HH R8FB R+17

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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