SP5TMA — 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: Poland Most frequent locator attributed to this token: KO02

Receiver-side FT8 activity involving SP5TMA, decoded by SO8OO in southeastern Poland. 32 FT8 messages attributed to this token as transmitter, on 40m, across 2 UTC dates in the available aggregate history. Observed between 2026-10-04 and 2026-10-05.

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 32 FT8 messages attributed to SP5TMA as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was -8 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-8 dB

Estimated median S/N

Bands

40m · 32

First attributed message: 2026-10-04
Last attributed message: 2026-10-05 08:44 UTC

Observed FT8 message patterns

Attributed sample: 32 messages
Active dates: 2 UTC dates
Estimated median S/N: -8 dB
Estimated 10th-90th percentile: -14 to -1 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1, moderate (-15 to -9 dB) 14, strong (≥ -8 dB) 17.

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 SP5TMA in decoded directed-looking exchanges:

DG1AS · Fed. Rep. of Germany DK7UY · Fed. Rep. of Germany DL7ACA · Fed. Rep. of Germany DM5KK · Fed. Rep. of Germany HA1BF · Hungary IQ2AAH · Italy MI7XHT · Northern Ireland MW3FLI · Wales OE6TNO · Austria OH6FSO · Finland SP7TF · Poland UX7UU · Ukraine

Most frequent locator attributed to SP5TMA

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: KO02 · 15 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 290 km (approx.)
Last such locator decoded: 2026-10-05 08:44 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	SP5TMA S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-05 08:41	40m	-1 / -	MW3FLI	- / -11	4	✓ Closing fragment
10-05 08:34	40m	-8 / -7	DM5KK	+2 / +8	5	✓ Full exchange observed
10-05 08:33	40m	-8 / -	OK1PPL	- / -	2	Partial capture
10-05 08:28	40m	-4 / -	F4IFO	- / -	2	Partial capture
10-05 08:26	40m	-10 / -	MI7XHT	- / -18	3	✓ Closing fragment
10-05 08:25	40m	-4 / -	OH6FSO	- / -9	3	✓ Closing fragment
10-05 08:19	40m	-5 / -7	DL7ACA	-5 / -	6	✓ Closing observed
10-05 08:17	40m	-15 / -	DG1AS	- / -5	2	✓ Closing fragment
10-05 08:15	40m	-4 / -	M7FHO	- / -	2	Partial capture
10-05 08:13	40m	-13 / -8	IQ2AAH	-10 / -1	5	✓ Full exchange observed
10-05 08:10	40m	-11 / -11	SP7TF	-8 / +8	4	✓ Full exchange observed
10-04 17:11	40m	- / -18	UX7UU	+2 / -	3	✓ Closing fragment
10-04 16:55	40m	-18 / -	HA1BF	+6 / +5	2	✓ Closing observed
10-04 16:54	40m	- / -15	EX7CQ	-11 / -	2	Partial capture
10-04 08:08	40m	- / -8	OE6TNO	-7 / -	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
082930  -1  755  MW3FLI SP5TMA KO02
083130  -9 1940  DF3VX SP5TMA KO02
083230  +0  681  PA3FET SP5TMA KO02
083315  -9 1378  OK1PPL SP5TMA KO02 (x2)
083430  +3  270  SP5TMA DM5KK JO60
083445  -8 1378  DM5KK SP5TMA +08
083500  +3 1121  SP5TMA DM5KK R-07
083515  -7 1378  DM5KK SP5TMA RR73
083530  +0 1121  SP5TMA DM5KK 73
084130  +3  755  MW3FLI SP5TMA KO02 (x4)
084445 -13 1334  EK1KE SP5TMA KO02

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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