OP4L — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Belgium Locator transmitted in a decoded message: JO20

Receiver-side FT8 activity involving OP4L, decoded by SO8OO in southeastern Poland. 47 related FT8 messages, observed on 40m, 20m, 10m, across 16 UTC dates. Heard between 2026-05-28 and 2026-08-22.

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

-8 dB

Mean decoder S/N

Bands

40m 20m 10m

First seen: 2026-05-28
Last seen: 2026-08-22 06:54 UTC

Frequent QSO partners observed at SO8OO

Stations OP4L worked most often, as logged from our receiver:

DF3IS · Fed. Rep. of Germany DK3TNA · Fed. Rep. of Germany T77RN · San Marino DL4JTH · Fed. Rep. of Germany DD7EE · Fed. Rep. of Germany DB0IPA · Fed. Rep. of Germany DL5AVJ · Fed. Rep. of Germany DL8NW · Fed. Rep. of Germany DL1HQY · Fed. Rep. of Germany DK7ZT · Fed. Rep. of Germany DL7VXX · Fed. Rep. of Germany DG4VN · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by OP4L

Approximate centre of JO20, decoded 2026-07-05 08:08 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	OP4L S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 08:53	40m	- / -5	DL7ARV	0 / -	3	Partial capture
08-22 08:53	40m	- / -10	DK8EW	0 / -	3	Partial capture
08-22 08:42	20m	- / -15	DL2VLL	0 / -	3	Partial capture
08-20 13:59	40m	- / -7	DK7ZT	-12 / -	2	✓ Closing fragment
08-20 08:07	20m	- / -5	T77RN	-3 / -	2	✓ Closing fragment
08-20 08:04	20m	- / -16	T77RN	+2 / -	2	✓ Closing fragment
08-11 14:01	40m	- / -2	DL7VXX	-16 / -	2	✓ Closing fragment
08-11 12:52	40m	- / -7	DL8NW	-14 / -	2	✓ Closing fragment
08-11 08:54	20m	- / -15	YO1BRANCUSI	+4 / -	2	Partial capture
07-21 08:18	20m	- / -8	DK3TNA	-16 / -	2	✓ Closing fragment
07-16 09:26	40m	- / -	UT4PA	-16 / -	5	Partial capture
07-16 09:11	40m	- / -3	DG4VN	-8 / -	2	✓ Closing fragment
07-05 08:08	10m	-18 / -	<...>	- / -	2	Partial capture
06-27 11:53	10m	-20 / -	IQ2PV	- / -	3	Partial capture
06-06 08:48	40m	- / -15	DB0IPA	-12 / -	2	✓ Closing fragment
05-30 09:37	40m	- / -11	DF3IS	-12 / -	2	✓ Closing fragment
05-28 13:34	40m	- / -17	DL1HQY	-10 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
092745 -17 1575  OP4L UT4PA KO20 (x2)
090700 -15 2260  OP4L DM2BR +10
125215 -13 1780  OP4L DL8NW -07 (x2)
140145 -14 1869  OP4L DL7VXX -02 (x2)
135930 -12 1905  OP4L DK7ZT -07 (x2)
085300  +1  557  OP4L DK8EW -10
085330  +1 2831  OP4L DL7ARV -05
085330  +0  557  OP4L DK8EW -10 (x2)
085400  +1 2830  OP4L DL7ARV -05 (x2)

20m

UTC    dB Audio  Message
131530  -4 1457  OP4L <...> +00
090200  -7 2016  OP4L DL4JTH -10
081845 -13 1329  OP4L DK3TNA -08 (x2)
092945 -15 1615  OP4L DL3RN +15
084215 -24 1630  DL8UVG OP4L R+00
085400  +2 1939  OP4L YO1BRANCUSI -15 (x2)
080400  +1  436  OP4L T77RN -16 (x4)
084230  +1 2499  OP4L DL2VLL -15 (x3)

10m

UTC    dB Audio  Message
115330 -20 1653  IQ2PV OP4L JO20 (x3)
122830 -14 1651  OE3IPU OP4L R+14
123545 -14 1643  PD5SAP OP4L JO20
123930 -12 1929  OP4L PD5SAP +07
080815 -17 1673  <...> OP4L JO20 (x3)

Decoder S/N history by band

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