DF4IAF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JN49

Receiver-side FT8 activity involving DF4IAF, decoded by SO8OO in southeastern Poland. 4 related FT8 messages, observed on 20m, across 2 UTC dates. Heard between 2026-08-05 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

-9 dB

Mean decoder S/N

Bands

20m

First seen: 2026-08-05
Last seen: 2026-08-10 19:13 UTC

Frequent QSO partners observed at SO8OO

Stations DF4IAF worked most often, as logged from our receiver:

AD9GE · United States K9STL · United States BG7ZHS · China F5NNN · France CT7AIU · Portugal HA1BF · Hungary JH5AVM · Japan JE2UFF · Japan

Locator transmitted by DF4IAF

Approximate centre of JN49, decoded 2026-08-10 21:28 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	DF4IAF S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-10 21:33	20m	-17 / -	HA1BF	- / +10	2	✓ Closing fragment
08-10 21:26	20m	-19 / -	JH5AVM	- / -7	7	✓ Closing fragment
08-10 21:18	20m	-13 / -	K9STL	- / -4	4	✓ Closing fragment
08-10 21:15	20m	-2 / -	VE3ARF	- / -	2	Partial capture
08-10 21:12	20m	-15 / -10	F5NNN	-17 / -13	4	✓ Full exchange observed
08-10 21:10	20m	-17 / -	JE2UFF	- / -6	3	✓ Closing fragment
08-09 11:35	20m	-7 / -	<...>	- / -	3	Partial capture
08-05 20:28	20m	- / +5	CT7AIU	-11 / -	2	✓ Closing fragment
08-05 18:20	20m	-6 / -	SM5VSS	- / -	2	Partial capture
08-05 18:15	20m	-4 / -	BA7SAY	- / -	8	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
211500  -3  444  VE3ARF DF4IAF JN49 (x2)
211830  -8  444  K9STL DF4IAF JN49 (x4)
212615 -19 2069  JH5AVM DF4IAF JN49 (x7)
213345 -17 1497  HA1BF DF4IAF R+10 (x2)

Decoder S/N history by band

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