RA3PMM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: KO84

Receiver-side FT8 activity involving RA3PMM, decoded by SO8OO in southeastern Poland. 100 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-06.

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 100 FT8 messages attributed to RA3PMM as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (53%), followed by 40 m (47%). Several six-hour UTC windows tied for the largest share (40%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

100

Messages attributed

UTC dates decoded

Active 15-min windows

-12 dB

Estimated median S/N

Bands

40m · 47 20m · 53

First attributed message: 2026-06-06
Last attributed message: 2026-09-06 15:54 UTC

Observed FT8 message patterns

Attributed sample: 100 messages
Active dates: 5 UTC dates
Estimated median S/N: -12 dB
Estimated 10th-90th percentile: -21 to -2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 24, moderate (-15 to -9 dB) 45, strong (≥ -8 dB) 31.

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 RA3PMM in decoded directed-looking exchanges:

BH4THI · China BU2FW · Taiwan SV7LYG · Greece UB9UZA · Asiatic Russia R3TAW · European Russia R5GG · European Russia RN3OX · European Russia SV3CEZ · Greece SV3SIM · Greece UA3GDJ · European Russia UA4FEN · European Russia UA6HJT · European Russia

Most frequent locator attributed to RA3PMM

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: KO84 · 50 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,150 km (approx.)
Last such locator decoded: 2026-09-06 15:37 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	RA3PMM S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-06 15:52	40m	-6 / -7	RN3OX	+8 / -	6	✓ Closing observed
09-06 15:48	40m	-20 / -16	DK7ZT	-10 / -18	7	Partial capture
09-06 15:39	40m	- / -2	UA3GDJ	0 / -	4	✓ Closing fragment
09-06 15:38	40m	-22 / +1	UA4FEN	-10 / -	3	✓ Closing observed
07-30 21:24	40m	- / -	F5RRS	-18 / -	2	Partial capture
07-30 21:23	40m	-13 / -	YE4FNN	- / -11	4	✓ Closing fragment
07-30 21:18	40m	-11 / -	SV9MBH	- / -	5	Partial capture
07-30 21:15	40m	-20 / -	SV9MBH	- / -	2	Partial capture
07-30 21:10	40m	-18 / -	SV3CEZ	- / -19	2	✓ Closing fragment
07-30 21:07	40m	-15 / -	SV3SIM	- / -14	3	✓ Closing fragment
07-30 07:12	20m	-17 / -	SV7LYG	- / -12	3	✓ Closing fragment
07-19 12:48	20m	-14 / -	UB9UZA	- / -18	2	✓ Closing fragment
07-19 12:43	20m	-11 / -	3W9A	- / -	7	Partial capture
07-19 12:34	20m	-23 / -	DL9KM	-10 / -10	8	Partial capture
07-19 12:33	20m	-6 / -	UB8CPH	- / -2	2	Partial capture
07-19 12:20	20m	-8 / -	BU2FW	- / -	4	✓ Closing fragment
07-19 12:16	20m	-11 / -	JH1ORW	- / -	7	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
154400  +6  769  RA3PMM UA6HJT RR73
154745 -21 2013  R3TAW RA3PMM RR73
154800 -11 1906  RA3PMM DK7ZT -16 (x4)
155045 -21 2013  DK7ZT RA3PMM R-18 (x3)
155230  +9 2782  RA3PMM RN3OX LO00 (x4)
155415  -6 2013  RN3OX RA3PMM RR73
155430  +4 2782  RA3PMM RN3OX 73

20m

UTC    dB Audio  Message
123830 -22 1739  DL9KM RA3PMM -10
124215 -21 1896  BH4THI RA3PMM 73
124315 -20 1896  3W9A RA3PMM KO84 (x7)
124845 -16 1518  UB9UZA RA3PMM R-18 (x2)
071215 -15 1392  SV7LYG RA3PMM KO84 (x3)
071430  -9  583  RA3PMM IW2DNI JN45

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