RM6OS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: KN87

Receiver-side FT8 activity involving RM6OS, decoded by SO8OO in southeastern Poland. 1,586 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 3 UTC dates in the available aggregate history. Observed between 2026-08-25 and 2026-08-30.

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 1,586 FT8 messages attributed to RM6OS as the transmitting token by decoded message structure across 3 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (46%), followed by 20 m (38%) and 80 m (12%). Most decodes (53%) fell within the six-hour window 14:00-20:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (86%); the estimated median was +5 dB.

Overview

1,586

Messages attributed

UTC dates decoded

Active 15-min windows

+5 dB

Estimated median S/N

Bands

160m · 57 80m · 196 40m · 722 20m · 610 10m · 1

First attributed message: 2026-08-25
Last attributed message: 2026-08-30 20:10 UTC

Observed FT8 message patterns

Attributed sample: 1,586 messages
Active dates: 3 UTC dates
Estimated median S/N: +5 dB
Estimated 10th-90th percentile: -11 to +14 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 49, moderate (-15 to -9 dB) 172, strong (≥ -8 dB) 1,365.

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 RM6OS in decoded directed-looking exchanges:

RA3YDA · European Russia ×3 KB3Z · United States ×3 R3XBS · European Russia ×3 RN7T · European Russia ×3 UA0LQE · Asiatic Russia ×3 R2HM · European Russia ×2 RA3WY · European Russia ×2 RA6ATZ · European Russia ×2 RA7T · European Russia ×2 UA1AEL · European Russia ×2 UA3ZUX · European Russia ×2 UA4HJ · 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 RM6OS

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: KN87 · 671 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,146 km (approx.)
Last such locator decoded: 2026-08-30 20:10 UTC

Other locator fields attributed to this token: KN88 (8).

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	RM6OS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-30 20:05	40m	+14 / -	DL3IAK	-5 / -9	4	Partial capture
08-30 20:05	40m	+14 / 0	IU4DTV	-14 / -12	4	Partial capture
08-30 20:05	40m	+15 / -	UI6O	-8 / +3	4	Partial capture
08-30 20:03	40m	+14 / -	R4UAS	- / +6	2	✓ Closing fragment
08-30 20:02	40m	+15 / +4	HA9PP	-9 / -	4	✓ Full exchange observed
08-30 20:00	40m	+10 / -	JA4IQK	- / -14	2	✓ Closing fragment
08-30 19:55	40m	+15 / -	HA9PP	- / -	2	Partial capture
08-30 19:54	40m	+15 / -	OK1AYM	+12 / +5	5	✓ Full exchange observed
08-30 19:50	40m	+14 / +6	RC5F	+8 / -	5	✓ Full exchange observed
08-30 19:48	40m	+16 / -	PG7R	-11 / -12	3	✓ Closing observed
08-30 19:47	40m	+13 / -	S56MLZ	-2 / -3	5	✓ Full exchange observed
08-30 19:43	40m	+15 / -	F4LCT	- / -16	2	Partial capture
08-30 19:41	40m	+6 / -	DD8HG	-7 / -11	3	✓ Closing observed
08-30 19:38	40m	+8 / -	R3PLA	-19 / -3	3	✓ Closing observed
08-30 19:34	40m	+11 / +3	F6BHK	-8 / -6	4	✓ Full exchange observed
08-30 19:32	40m	- / -	DL3IAK	-2 / -	3	Partial capture
08-30 19:31	40m	+9 / -	LZ1LZ	-5 / +9	2	Partial capture
08-30 19:29	40m	+12 / -1	UA4POO	-6 / +7	4	✓ Full exchange observed
08-30 19:26	40m	+11 / -4	DL3IAK	-4 / -8	7	Partial capture
08-30 19:26	40m	+18 / -	RD7O	0 / -	4	✓ Full exchange observed
08-30 19:23	40m	+12 / -	CT7ARQ	- / -11	3	Partial capture
08-30 19:22	40m	+14 / -	RX3ASQ	-7 / -	3	✓ Closing observed
08-30 19:19	40m	+14 / -2	F6BHK	-3 / -6	4	✓ Full exchange observed
08-30 19:16	40m	+12 / -11	EA5HM	-6 / -3	7	✓ Full exchange observed
08-30 19:12	40m	+9 / +6	OS4K	-18 / -11	5	✓ Full exchange observed
08-30 19:12	40m	+12 / -13	G7RCQ	-12 / -12	4	✓ Full exchange observed
08-30 19:09	40m	+7 / 0	DL9MAC	0 / -	3	✓ Closing observed
08-30 19:08	40m	+10 / -9	G4DBW	-6 / -3	4	✓ Full exchange observed
08-30 19:07	40m	+7 / -7	EW8DG	-12 / +1	5	✓ Full exchange observed
08-30 19:05	40m	+10 / -5	F1SZC	-8 / -10	5	✓ Full exchange observed
08-30 19:03	40m	+10 / -	HB9UQF	-15 / -13	3	✓ Closing observed
08-30 19:01	40m	+12 / -	BD6IIC	- / -12	2	Partial capture
08-30 18:58	40m	+18 / -	UA0LQE	- / -17	2	✓ Closing fragment
08-30 18:55	40m	+17 / -5	PD2RAL	-6 / -6	7	✓ Full exchange observed
08-30 18:54	40m	+16 / -	TA4SSK	-15 / 0	2	Partial capture
08-30 18:51	40m	+14 / -2	RA9QBR	-14 / +5	4	✓ Full exchange observed
08-30 18:49	40m	+12 / -	EB2EMZ	- / -15	3	✓ Closing fragment
08-30 18:47	40m	+8 / -	BD6IIC	- / -9	2	Partial capture
08-30 18:46	40m	+10 / -	R2DDN	- / -1	3	Partial capture
08-30 18:43	40m	+10 / -	R5FQ	-3 / -	3	✓ Closing observed
08-30 18:36	80m	- / -4	RA9AJ	-6 / -	2	Partial capture
08-30 18:35	80m	+6 / -	R2APC	-4 / -	4	✓ Closing observed
08-30 18:35	80m	+8 / +10	IK3TZB	-11 / -14	5	✓ Full exchange observed
08-30 18:33	80m	+8 / -10	OK2BUZ	+12 / -1	6	Partial capture
08-30 18:32	80m	+15 / -	9A3K	+12 / 0	3	Partial capture
08-30 18:32	80m	+8 / -6	DL5ASK	+4 / -10	3	✓ Full exchange observed
08-30 18:28	80m	- / -5	EU1KI	-11 / -	4	Partial capture
08-30 18:28	80m	+4 / -2	R6FFB	+1 / -	4	✓ Full exchange observed
08-30 18:28	80m	+10 / -1	UA3GJM	-2 / -	4	✓ Closing observed
08-30 18:25	80m	+6 / 0	R7OF	0 / -	3	✓ 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
200545  -9 1166  RM6OS UI6O KN87
200545  -4  338  RM6OS DL3IAK JN49
200600 +17 2324  UI6O RM6OS +00
200615  -5  338  RM6OS DL3IAK JN49
200630 +16 2324  IU4DTV RM6OS R-12 (x3)
200745  -7  338  RM6OS DL3IAK JN49
200830 +14 2323  DL3IAK RM6OS -09
200900 +12 2324  CQ RM6OS KN87 (x4)
201215 -24 1942  RM6OS UA3LKM KO65
201515  -3  340  RM6OS DL3IAK R-03

20m

UTC    dB Audio  Message
172645  +0 2288  RM6OS UA6HRB R-01 (x2)
173945 -13 2215  RM6OS IQ4JO JN63
174245  -4 2288  RM6OS OR1A JO21 (x5)
181000 -18 2288  CQ RM6OS KN87
181115 -10  969  RM6OS SM6UQL JO57
181145 -20 2215  RM6OS IQ4JO JN63
181545 +13 2289  RM6OS PA8DC R-03 (x2)
183215  -6 3009  RM6OS F6BHK JN24
184015 -11  955  RM6OS RN9CA MO16

80m

UTC    dB Audio  Message
183530 +14 2328  IK3TZB RM6OS -14
183545  -6 2453  RM6OS R2APC KO85
183545  -9 1207  RM6OS IK3TZB R+10
183600  +1 2327  IK3TZB RM6OS RR73
183615  -8 1640  RM6OS RA9AJ MO05
183615  -4 2452  RM6OS R2APC KO85
183615  -7 1206  RM6OS IK3TZB 73
183645  -4 1640  RM6OS RA9AJ R-04
183730  +6 2328  R2APC RM6OS RR73
183745  -3 2453  RM6OS R2APC 73
183800  +6 2327  CQ RM6OS KN87 (x5)

10m

UTC    dB Audio  Message
074400  -7 2681  CQ RM6OS KN87

160m

UTC    dB Audio  Message
192945  +3 2415  RM6OS IK0HBN JN62
193000  +1 2516  CQ RM6OS KN87
193015  +5 2414  RM6OS IK0HBN JN62
193015  -1 2516  RM6OS DA0RR JO40
193030  +1 2516  CQ RM6OS KN87
193045  +5 2516  RM6OS DA0RR JO40
193100  +2 2516  R6LNH/P RM6OS -02 (x2)
193200  +0 2516  CQ RM6OS KN87 (x5)
021945  +2 2028  RM6OS YL2EA KO26 (x2)

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee