DL4APJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO50

Receiver-side FT8 activity involving DL4APJ, decoded by SO8OO in southeastern Poland. 69 related FT8 messages, 18 CQ messages, observed on 80m, 40m, across 6 UTC dates. Heard between 2026-05-14 and 2026-08-11.

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

-10 dB

Mean decoder S/N

Bands

80m 40m

First seen: 2026-05-14
Last seen: 2026-08-11 13:19 UTC

Frequent QSO partners observed at SO8OO

Stations DL4APJ worked most often, as logged from our receiver:

R2PT · European Russia ×2 DM3RCK · Fed. Rep. of Germany DL9KM · Fed. Rep. of Germany DD0IPA · Fed. Rep. of Germany DG0OFT · Fed. Rep. of Germany DM5JBN · Fed. Rep. of Germany DH0GBC · Fed. Rep. of Germany SP7TF · Poland OK2VCR · Czech Republic RX9ABI · Asiatic Russia DD7EE · Fed. Rep. of Germany UA2FFD · Kaliningrad

Activity Heatmap

Locator transmitted by DL4APJ

Approximate centre of JO50, decoded 2026-08-09 20:31 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	DL4APJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-11 15:18	40m	-13 / -9	HA1ZW	-14 / -5	3	✓ Full exchange observed
08-09 20:29	40m	-6 / -	DK0ACI	- / -13	6	✓ Closing fragment
08-09 20:27	40m	-6 / -	IZ4EKI	- / -9	2	Partial capture
08-09 20:22	40m	-13 / -	SH5RJX	- / -12	3	✓ Closing fragment
08-09 20:16	40m	-10 / -	LZ1DPP	- / -17	8	Partial capture
08-09 20:13	40m	-7 / -4	PD0IFI	-5 / -24	6	✓ Full exchange observed
08-09 20:13	40m	-12 / -11	DD7EE	-15 / -8	4	✓ Full exchange observed
08-09 20:04	40m	-9 / -5	DL8MAK/P	-9 / -15	9	✓ Full exchange observed
08-09 20:01	40m	-12 / -11	DH5BM	-13 / -7	4	✓ Full exchange observed
08-09 19:59	40m	-10 / -	RX9ABI	- / -12	2	✓ Closing fragment
08-09 19:58	40m	-9 / -3	DL9KM	-18 / -9	5	✓ Full exchange observed
08-09 19:47	40m	-12 / -	DP6SEVEN	- / -6	2	Partial capture
08-08 19:59	80m	- / -2	ON1AEY	-10 / -	2	Partial capture
08-08 19:56	80m	- / +1	DK0KG	-10 / -	2	Partial capture
08-08 19:43	40m	-16 / -1	OK2VCR	-7 / -8	10	✓ Full exchange observed
08-02 19:51	40m	-14 / -14	DM5JBN	-8 / -	4	✓ Closing observed
08-01 20:06	40m	-7 / -	DM3RCK	-18 / -	2	✓ Closing observed
08-01 20:04	40m	-6 / -	UN7PPV	- / -11	2	Partial capture
08-01 20:03	40m	-7 / -	RW3DDZ	- / -11	2	✓ Closing fragment
08-01 20:02	40m	-14 / -6	OK1FAN	+1 / -6	4	✓ Full exchange observed
08-01 20:00	40m	-4 / -	S55A	-12 / -6	2	Partial capture
08-01 19:57	40m	-14 / -	DK0RST	- / -8	3	✓ Closing fragment
08-01 19:51	40m	+1 / +9	DH0GBC	-6 / -4	7	✓ Full exchange observed
08-01 19:35	40m	-9 / -	UA2FFD	- / -10	3	✓ Closing fragment
08-01 19:29	40m	-10 / -	DL3BH	- / -14	2	✓ Closing fragment
08-01 19:28	40m	-12 / 0	DG0OFT	-13 / -	2	✓ Closing observed
08-01 19:26	40m	-13 / -	R2PT	-10 / -6	4	✓ Closing observed
08-01 19:25	40m	-20 / -8	SP7TF	-17 / 0	4	✓ Full exchange observed
08-01 19:21	40m	-17 / -	SV1TRJ	- / -14	7	✓ Closing fragment
08-01 19:20	40m	-15 / -2	HA5KN	-16 / -5	4	✓ Full exchange observed
08-01 14:50	40m	- / 0	DD0IPA	-3 / -	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
202130 -19 2128  CQ DL4APJ JO50
202230 -13 2128  SH5RJX DL4APJ -12 (x3)
202730  -9 2528  IZ4EKI DL4APJ R-09 (x2)
202930  -4 2732  DK0ACI DL4APJ JO50 (x6)
151830 -16 1343  DL4APJ HA1ZW -09
151845 -13  941  HA1ZW DL4APJ R-05
151900 -12 1343  DL4APJ HA1ZW RR73

80m

UTC    dB Audio  Message
192815  +2  810  DL4APJ R2PT 73
195430  -8 2171  DL4APJ DL5VEN RR73
195630  -8 1354  DL4APJ DK0KG JN49 (x2)
195900 -11 1951  DL4APJ ON1AEY JO11 (x2)

Decoder S/N history by band

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