SP3DTB — 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: JO92

Receiver-side FT8 activity involving SP3DTB, decoded by SO8OO in southeastern Poland. 50 FT8 messages attributed to this token as transmitter, on 60m, across 1 UTC dates in the available aggregate history. Last observed 2026-10-19.

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 50 FT8 messages attributed to SP3DTB as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 60 m (100%). In this small sample, the estimated median decoder S/N was -1 dB; no usual signal pattern is inferred.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

-1 dB

Estimated median S/N

Bands

60m · 50

First attributed message: 2026-10-19
Last attributed message: 2026-10-19 17:48 UTC

Observed FT8 message patterns

Attributed sample: 50 messages
Active dates: 1 UTC dates
Estimated median S/N: -1 dB
Estimated 10th-90th percentile: -5 to +2 dB
Recurring-pattern threshold: Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 50.

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 SP3DTB in decoded directed-looking exchanges:

OE5DML · Austria ×2 OM5JG · Slovak Republic ×2 4X1GA · Israel 9A4ZM · Croatia DK7ZT · Fed. Rep. of Germany DL2JLB · Fed. Rep. of Germany DL9KM · Fed. Rep. of Germany E74K · Bosnia-Herzegovina HA8RC · Hungary HF9D · Poland IK4CBO · Italy IT9VCE · Sicily

Most frequent locator attributed to SP3DTB

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: JO92 · 6 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 345 km (approx.)
Last such locator decoded: 2026-10-19 17:47 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	SP3DTB S/N	Counterpart	Counterpart S/N	Msgs	Capture
10-19 17:48	60m	+4 / -	DL2JLB	- / -7	2	✓ Closing fragment
10-19 17:44	60m	+2 / 0	DL9KM	-12 / -13	7	✓ Full exchange observed
10-19 17:42	60m	-4 / -	SP1RKT	-20 / +1	5	✓ Full exchange observed
10-19 17:42	60m	-5 / -	SP2EWQ	-3 / +3	5	✓ Closing observed
10-19 17:41	60m	0 / +3	HA8RC	-4 / -2	3	✓ Full exchange observed
10-19 17:41	60m	-4 / +2	IK4CBO	-5 / 0	7	✓ Full exchange observed
10-19 17:40	60m	0 / +1	E74K	+5 / +1	4	✓ Full exchange observed
10-19 17:15	60m	-2 / -17	4X1GA	-16 / -6	5	✓ Full exchange observed
10-19 17:12	60m	+1 / +4	ON7GB	+5 / 0	7	✓ Full exchange observed
10-19 17:12	60m	+2 / -	S56P	+2 / -1	5	✓ Full exchange observed
10-19 17:10	60m	-3 / -	4X1GA	- / -9	3	Partial capture
10-19 17:08	60m	+2 / +8	DK7ZT	+2 / -	3	✓ Closing observed
10-19 17:06	60m	-1 / -	ON4MHZ	- / -8	4	✓ Closing fragment
10-19 17:03	60m	0 / -8	SV8NAJ	-13 / -	3	✓ Closing observed
10-19 17:00	60m	+2 / -	HF9D	- / -1	2	✓ Closing fragment
10-19 16:59	60m	+1 / -	OM5JG	+6 / -2	5	✓ Full exchange observed
10-19 16:55	60m	-1 / +4	YO4BEW	-10 / -1	6	✓ Full exchange observed
10-19 16:54	60m	- / +1	DK7ZT	+1 / -	3	Partial capture
10-19 16:52	60m	0 / -1	M0XXJ	-12 / -4	3	✓ Full exchange observed
10-19 16:52	60m	+3 / +10	9A4ZM	+4 / -	7	✓ Closing observed
10-19 16:49	60m	-6 / +2	IT9VCE	-1 / -	6	✓ Closing observed
10-19 16:49	60m	-1 / 0	OE5DML	-4 / -2	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
174430  -3 2042  SP2EWQ SP3DTB RR73
174445 -14 1437  SP3DTB DL9KM JN68
174500  -6 1638  SP1RKT SP3DTB +01
174515 -17 1638  SP3DTB SP1RKT R+14
174515 -11 1437  SP3DTB DL9KM JN68
174530  -2 1638  SP1RKT SP3DTB RR73
174545 -17 1437  SP3DTB DL9KM JN68
174600  +2 1437  DL9KM SP3DTB -13
174615 -11 1437  SP3DTB DL9KM R+00
174630  +1 1438  DL9KM SP3DTB RR73
174645  -9 1437  SP3DTB DL9KM 73
174730  -2 1437  CQ SP3DTB JO92
174745  -7  595  SP3DTB G0JDK IO93
174800  +0 2677  DL2JLB SP3DTB -07 (x2)

CW

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

Explore CW reception at SO8OO

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