RC8SAB — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: Asiatic Russia Most frequent locator attributed to this token: LO71

Receiver-side FT8 activity involving RC8SAB, decoded by SO8OO in southeastern Poland. 500 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 40 UTC dates in the available aggregate history. Observed between 2026-08-26 and 2026-11-04.

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 500 FT8 messages attributed to RC8SAB as the transmitting token by decoded message structure across 40 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (89%), followed by 20 m (11%). Most decodes (79%) fell within the six-hour window 00:00-06:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -16 dB.

Overview

500

Messages attributed

UTC dates decoded

119

Active 15-min windows

-16 dB

Estimated median S/N

Bands

40m · 445 20m · 55

First attributed message: 2026-08-26
Last attributed message: 2026-11-04 04:18 UTC

Observed FT8 message patterns

Attributed sample: 500 messages
Active dates: 40 UTC dates
Estimated median S/N: -16 dB
Estimated 10th-90th percentile: -22 to -8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 257, moderate (-15 to -9 dB) 177, strong (≥ -8 dB) 66.

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 RC8SAB in decoded directed-looking exchanges:

R2EA · European Russia ×3 9A4ZM · Croatia ×2 R6TA · European Russia ×2 R7DX · European Russia ×2 R7MP · European Russia ×2 RZ6L · European Russia ×2 UA3ZMQ · European Russia ×2 UI6O · European Russia ×2 4Z4DX · Israel ×2 EX7CQ · Kyrgyzstan ×2 OA4ENG · Peru ×2 PV8AJ · Brazil ×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 RC8SAB

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: LO71 · 217 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 2,324 km (approx.)
Last such locator decoded: 2026-11-04 04:18 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	RC8SAB S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-05 01:55	40m	- / -10	RK9UN	-14 / -	2	✓ Closing fragment
11-04 16:34	40m	- / -5	RW3DKK	+6 / -	2	✓ Closing fragment
11-04 16:25	40m	- / -14	UA1WFH	-4 / -	2	✓ Closing fragment
11-04 16:21	40m	- / -9	R3ZG	-16 / -	2	Partial capture
11-04 16:18	40m	- / -16	S51UN	+1 / -	6	✓ Closing fragment
11-04 16:16	40m	- / -16	R1BEO	-16 / -	2	✓ Closing fragment
11-04 05:54	40m	- / -1	RA3X	-9 / -	5	✓ Closing fragment
11-04 04:14	40m	-16 / -5	RK6J	-23 / -2	3	Partial capture
11-04 04:12	40m	-12 / -	ZZ5UNO	- / -	4	Partial capture
11-04 04:10	40m	-20 / -9	R7NY	-17 / -	4	✓ Closing observed
11-04 04:02	40m	-10 / -13	F8MRQ	-8 / -17	7	Partial capture
11-04 03:59	40m	- / -	RA4ABH	-6 / -	2	✓ Closing fragment
11-03 14:11	40m	- / -13	RA1WZ	+6 / -	2	✓ Closing fragment
11-02 17:11	40m	- / +1	DM3VPJ	-12 / -	5	✓ Closing fragment
11-02 17:02	40m	- / -19	R1TBG	-5 / -	2	✓ Closing fragment
11-02 16:51	40m	- / -20	U1BD	-4 / -	6	✓ Closing fragment
11-02 16:51	40m	- / -	PD1UM	-6 / -	2	Partial capture
11-02 16:35	40m	- / -10	4Z4DX	-14 / -	3	✓ Closing fragment
11-02 16:31	40m	- / -15	RX3DQ	0 / -	2	✓ Closing fragment
11-02 16:23	40m	- / -20	RL3QI	+9 / -	3	✓ Closing fragment
11-02 16:20	40m	- / -13	RW3QW	0 / -	2	✓ Closing fragment
11-02 16:16	40m	- / -	DL3ND	-4 / -	3	Partial capture
11-02 16:14	40m	- / -16	R1BNJ	+2 / -	2	✓ Closing fragment
11-02 16:04	40m	- / -12	OE3PKU	0 / -	2	Partial capture
11-02 15:55	40m	- / -5	R2HD	-13 / -	2	✓ Closing fragment
11-02 15:54	40m	- / -12	R3BJZ	-6 / -	2	✓ Closing fragment
11-02 15:48	40m	- / -7	RT2H	0 / -	3	✓ Closing fragment
11-02 15:30	40m	- / 0	R7CD	-8 / -	2	✓ Closing fragment
11-01 14:40	40m	-24 / 0	R7MH	-10 / -	3	Partial capture
11-01 14:37	40m	- / -13	IK6QOP	+2 / -	4	✓ Closing fragment
11-01 14:36	40m	- / -1	R2OM	-21 / -	2	✓ Closing fragment
11-01 14:24	40m	- / -8	RV6ALM	-16 / -	4	✓ Closing fragment
11-01 14:14	40m	- / -	RA4ADF	-21 / -	2	Partial capture
11-01 14:10	40m	- / 0	RM7M	-10 / -	2	✓ Closing fragment
11-01 06:05	40m	- / -14	DL1DXX	+1 / -	7	Partial capture
11-01 05:41	40m	- / -16	RA3P	-5 / -	2	Partial capture
11-01 04:38	40m	- / -15	RQ7D	-11 / -	2	✓ Closing fragment
11-01 04:30	40m	- / -10	RQ7O	-11 / -	2	✓ Closing fragment
11-01 04:14	40m	- / +1	R3LDK	-12 / -	2	✓ Closing fragment
11-01 03:57	40m	- / -8	R6DOP	-10 / -	2	✓ Closing fragment
11-01 03:48	40m	- / -7	R4AAR	-23 / -	2	✓ Closing fragment
11-01 03:43	40m	- / +1	R3DC	-14 / -	2	✓ Closing fragment
11-01 03:11	40m	-17 / -	F5OYA/P	- / -22	2	✓ Closing fragment
10-31 14:34	40m	- / -2	RD7O	-16 / -	2	✓ Closing fragment
10-31 04:32	40m	- / -9	R7KDW	-4 / -	2	✓ Closing fragment
10-31 04:19	40m	- / +1	R4FDD	-13 / -	3	✓ Closing fragment
10-31 03:11	40m	- / -13	ZP5DBC	-5 / -	2	✓ Closing fragment
10-30 04:22	40m	-17 / -	R1TET	- / -12	3	✓ Closing fragment
10-30 04:21	40m	-20 / -	HK3TY	- / -	2	Partial capture
10-30 04:10	40m	- / -9	RW3SB	-5 / -	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
162100  +3  859  RC8SAB S51UN R-16 (x2)
162130 -13 2176  RC8SAB R3ZG -09
162200  -1  859  RC8SAB S51UN 73
162200 -19 2176  RC8SAB R3ZG -09
162230  +0  859  RC8SAB S51UN 73
162500  -3  655  RC8SAB UA1WFH -14 (x2)
162630  +2 2094  RC8SAB EU2ABM KO43
163400  +6 2846  RC8SAB RW3DKK R-05 (x2)
163730 -12  967  RC8SAB R7MH +00
164330 -16 1990  RC8SAB R4FDQ -12
015530 -14 2340  RC8SAB RK9UN -10 (x2)

20m

UTC    dB Audio  Message
130745  +1  802  RC8SAB G7LHK IO92
130800 -19  801  OH1LA RC8SAB RR73
130815 -18 1335  RC8SAB RW7B LN04
130815  -2  802  RC8SAB G7LHK IO92
130845 -13 1334  RC8SAB RW7B LN04
130845 -10  807  RC8SAB RA1OAK KP94 (x10)

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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