DL4RDJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JN58

Receiver-side FT8 activity involving DL4RDJ, decoded by SO8OO in southeastern Poland. 65 related FT8 messages, 17 CQ messages, observed on 20m, 10m, across 13 UTC dates. Heard between 2026-05-30 and 2026-08-21.

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 10m

First seen: 2026-05-30
Last seen: 2026-08-21 04:17 UTC

Frequent QSO partners observed at SO8OO

Stations DL4RDJ worked most often, as logged from our receiver:

SP6FME · Poland UN0GY · Kazakhstan LZ4VR · Bulgaria XW4KV · Laos R5AV · European Russia IQ4JO · Italy PD1HPB · Netherlands TK4BB · Corsica PT7BI · Brazil BG0HP · China RU3QR · European Russia IQ9BH · Sicily

Activity Heatmap

Locator transmitted by DL4RDJ

Approximate centre of JN58, decoded 2026-08-12 06:53 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	DL4RDJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 06:17	20m	- / -12	UN0GY	-24 / -	2	✓ Closing fragment
08-12 06:50	20m	-2 / -15	RU3QR	-21 / -19	4	✓ Full exchange observed
08-12 06:49	20m	0 / -	V31DL	- / -14	2	Partial capture
08-12 06:47	20m	- / -15	RU3QR	-17 / -	3	Partial capture
08-12 06:44	20m	-5 / -	IQ4JO	- / -9	2	✓ Closing fragment
08-12 06:17	20m	- / -	PA3CPS	+6 / -	2	✓ Closing fragment
08-12 06:16	20m	-2 / -	R5AV	- / -4	2	✓ Closing fragment
08-12 06:13	20m	-13 / -12	RL6MT	-15 / -3	5	✓ Full exchange observed
08-08 20:27	20m	-12 / -	SP6FME	- / +1	2	✓ Closing fragment
08-08 20:23	20m	-10 / -	XW4KV	- / -8	2	✓ Closing fragment
06-26 14:42	20m	-5 / -10	2D0VPS/P	-14 / -6	4	✓ Full exchange observed
06-22 11:57	10m	- / -24	GB1500M	-15 / -	3	Partial capture
06-22 11:52	10m	- / -	LZ4VR	-17 / -	3	✓ Closing fragment
06-20 13:13	10m	- / -9	IQ8TJ/DX80	-4 / -	2	Partial capture
06-20 12:51	20m	-1 / +8	Z62NS	-5 / +2	4	✓ Full exchange observed
06-08 14:11	10m	- / -11	7Q6M	-11 / -	2	✓ Closing fragment
06-08 14:07	10m	- / -10	PT7BI	+7 / -	3	✓ Closing fragment
06-06 07:01	20m	- / -7	RX3ASQ	-3 / -	3	✓ Closing fragment
06-03 13:21	20m	-5 / -9	IK4TVP	-12 / -2	3	Partial capture
06-03 12:52	20m	+3 / -	9A4ZM	0 / -11	4	✓ Full exchange observed
06-03 12:49	20m	-4 / -3	IQ9BH	-11 / +3	4	✓ Full exchange observed
06-02 07:16	10m	- / -	TK4BB	-15 / -	2	✓ Closing fragment
05-30 19:17	20m	-17 / -19	BG0HP	-8 / -8	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
064815 -19 1287  DL4RDJ RU3QR -15
064900  -4 2646  V31DL DL4RDJ -14 (x2)
065045 -22 1287  DL4RDJ RU3QR -15
065100  -3 2632  RU3QR DL4RDJ R-19
065115 -20 1287  DL4RDJ RU3QR RR73
065130  -2 2632  RU3QR DL4RDJ 73
065230  -6 2633  CQ DL4RDJ JN58 (x2)
192230  -4 2155  DL4RDJ M8KKH R+05
061715 -23 2181  DL4RDJ UN0GY R-12 (x2)
152945  +3 2699  XU7O DL4RDJ -09
171700 -12 2593  BU2FW DL4RDJ -17
172015  -8 2631  XU7O DL4RDJ -14

10m

UTC    dB Audio  Message
125700  +8  504  DL4RDJ C91RU -02
125730  +7  504  DL4RDJ RR73; PA1HGM <...> +00
140715  +8 2534  DL4RDJ PT7BI R-10 (x3)
141130 -10 1513  DL4RDJ 7Q6M R-11 (x2)
131345  -4 1915  DL4RDJ IQ8TJ/DX80 R-09 (x2)
115245 -18 2014  DL4RDJ LZ4VR KN13 (x3)
115715 -16 1720  DL4RDJ GB1500M R-24 (x3)

Decoder S/N history by band

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