DO4BOS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO40

Receiver-side FT8 activity involving DO4BOS, decoded by SO8OO in southeastern Poland. 15 related FT8 messages, 3 CQ messages, observed on 80m, 10m, across 3 UTC dates. Heard between 2026-07-05 and 2026-08-10.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

Related messages

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 10m

First seen: 2026-07-05
Last seen: 2026-08-10 03:54 UTC

Frequent QSO partners observed at SO8OO

Stations DO4BOS worked most often, as logged from our receiver:

9A2KS · Croatia DK5OPA · Fed. Rep. of Germany DL2VEL · Fed. Rep. of Germany DO1ID · Fed. Rep. of Germany DF40ABF · Fed. Rep. of Germany

Locator transmitted by DO4BOS

Approximate centre of JO40, decoded 2026-08-10 05:54 UTC. A transmitted locator is not proof of the operator's permanent location.

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	DO4BOS S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-10 05:53	80m	- / -10	DO7RMA	-16 / -	4	Partial capture
08-10 05:12	80m	-18 / +5	DF40ABF	-19 / -	3	✓ Closing observed
08-10 05:07	80m	-9 / +10	DO1ID	+8 / -	3	✓ Closing observed
08-10 05:06	80m	- / -4	SP5MIG/6	+8 / -	2	Partial capture
07-05 09:23	10m	-20 / +1	9A2KS	-20 / -	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
050600 -21 2270  CQ DO4BOS JO40
050645  +8  942  DO4BOS SP5MIG/6 -04 (x2)
050745  +7  382  DO4BOS DO1ID +10 (x2)
050830  -9  382  DO1ID DO4BOS 73
051245 -18 1208  DF40ABF DO4BOS
051300 -19 1208  DO4BOS DF40ABF +05
051345 -19 1208  DF40ABF DO4BOS 73
055300 -11 1756  DO4BOS DO7RMA -10 (x3)
055415 -12  509  DK5OPA DO4BOS 73
055430 -21 1756  DO4BOS DO7RMA -10
055445 -13  509  CQ DO4BOS JO40

10m

UTC    dB Audio  Message
092315 -21 1473  DO4BOS 9A2KS JN65 (x2)
092400 -20 1472  9A2KS DO4BOS RR73
092415 -21 1473  DO4BOS 9A2KS 73

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.