RT9K — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Asiatic Russia

Receiver-side FT8 activity involving RT9K, decoded by SO8OO in southeastern Poland. 5 FT8 messages attributed to this token as transmitter, on 80m, across 1 UTC dates in the available aggregate history. Last observed 2026-09-10.

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 5 FT8 messages attributed to RT9K as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (100%). In this small sample, the estimated median decoder S/N was -24 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-24 dB

Estimated median S/N

Bands

80m · 5

First attributed message: 2026-09-10
Last attributed message: 2026-09-10 19:13 UTC

Observed FT8 message patterns

Attributed sample: 5 messages
Active dates: 1 UTC dates
Estimated median S/N: -24 dB
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 5, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 0.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with RT9K in decoded directed-looking exchanges:

RM5F · European Russia ×2 LA0FA · Norway R1NI · European Russia R3ZMM · European Russia R6FFB · European Russia R6KA · European Russia RK3QA · European Russia RK4FD · European Russia RV9CX · Asiatic Russia RZ3DW · European Russia UA1TAN · European Russia UA4HJ · European Russia

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	RT9K S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-16 18:20	80m	- / -	RA6YDX	-4 / -	3	Partial capture
09-10 19:15	80m	- / +2	RA9QBR	-24 / -	2	Partial capture
09-10 19:15	80m	- / -	RW4HB	-7 / -	2	Partial capture
09-10 19:15	80m	- / -	YO6LM	+4 / -	2	Partial capture
09-10 19:14	80m	- / -	RA3YDA	-8 / -	2	Partial capture
09-10 19:13	80m	- / -25	E77EA	+1 / -	4	✓ Closing fragment
09-10 19:12	80m	- / -	RU4I	-3 / -	3	Partial capture
09-10 19:07	80m	-23 / -19	DK7ZT	-4 / -7	13	Partial capture
09-10 19:05	80m	- / -14	EW8CW	+2 / -	4	✓ Closing fragment
09-10 19:00	80m	- / -	R3SV	-9 / -	3	Partial capture
09-10 19:00	80m	- / -	RA3TVW	-8 / -	4	Partial capture
09-10 19:00	80m	- / -15	S59A	+10 / -	3	✓ Closing fragment
09-10 18:59	80m	- / -	RC2Y	+2 / -	2	Partial capture
09-10 18:59	80m	- / -	RU4I	-4 / -	2	Partial capture
09-10 18:58	80m	- / -22	R3BDQ	+2 / -	2	✓ Closing fragment
09-10 18:46	160m	- / -25	R6FFB	-2 / -	4	✓ Closing fragment
09-10 18:41	160m	- / -25	RT2P	-12 / -	4	Partial capture
09-10 18:36	160m	- / -20	RZ3DW	+12 / -	4	✓ Closing fragment
09-10 18:35	160m	- / -15	UA1TAN	-12 / -	2	✓ Closing fragment
09-10 18:27	160m	- / -	RZ3DW	+6 / -	2	Partial capture
09-10 18:25	160m	- / -13	R3DPH	+2 / -	2	Partial capture
09-10 18:24	160m	- / -20	RM5F	-3 / -	3	✓ Closing fragment
09-10 18:15	160m	- / -8	R1NI	-14 / -	4	✓ Closing fragment
09-04 20:57	80m	- / -20	RM5F	+5 / -	2	✓ Closing fragment
09-04 20:56	80m	- / -	RA4Y	0 / -	3	Partial capture
09-04 20:44	80m	- / -	RA4Y	+4 / -	3	Partial capture
08-27 21:06	160m	- / -20	LA0FA	-11 / -	2	✓ Closing fragment
08-27 21:06	160m	- / -14	RK3QA	-4 / -	4	Partial capture
08-27 20:59	160m	- / -13	R3ZMM	-9 / -	3	✓ Closing fragment
08-27 20:57	160m	- / +5	R6KA	+1 / -	3	✓ Closing fragment
08-27 20:56	160m	- / -17	RK4FD	+4 / -	3	✓ Closing fragment
08-27 20:54	160m	- / -4	RV9CX	-20 / -	3	✓ Closing fragment
08-27 20:52	160m	- / -	SO1CJ	-13 / -	3	Partial capture
08-27 20:50	160m	- / -	RK3QA	-8 / -	2	Partial capture
08-27 20:49	160m	- / -	RK4FD	+3 / -	9	Partial capture
08-27 20:49	160m	- / -3	RV9CX	-18 / -	3	Partial capture
08-27 20:42	80m	- / -	EW8CW	+3 / -	3	Partial capture
08-27 20:41	80m	- / -	EA7TR	+4 / -	2	Partial capture
08-27 20:39	80m	- / -22	UA4FKT	+2 / -	3	✓ Closing fragment
08-27 11:45	20m	- / -	R6ZEJ	-10 / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
191515  -4  698  RT9K RW4HB LO53
191515  +2 1061  RT9K E77EA 73
191515  +2 1113  RT9K DK7ZT -21
191545  +2 2655  RT9K YO6LM KN25
191545 -10  698  RT9K RW4HB LO53
191545 -24 2000  RT9K RA9QBR +02
191545 -11 2766  RT9K RA3YDA KO62
191545  -4 1113  RT9K DK7ZT -21
191615 -24 2000  RT9K RA9QBR +02
191615  -5 1113  RT9K DK7ZT -21 (x3)
182000 -10 1110  RT9K RA6YDX LN04 (x3)

160m

UTC    dB Audio  Message
183545 -18 1420  RT9K UA1TAN -15 (x2)
183645 +12 2394  RT9K RZ3DW KO84 (x4)
184145 -15 1501  RT9K RT2P KO84 (x4)
184645  -3 1739  RT9K R6FFB LN14 (x4)
184845 -17 1420  RT9K RW9WJ LO84

40m

UTC    dB Audio  Message
062545  +1  472  RT9K RX3AEX KO85

20m

UTC    dB Audio  Message
114500 -11  693  RT9K R6ZEJ KN98 (x3)

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