DL4HTK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO51

Receiver-side FT8 activity involving DL4HTK, decoded by SO8OO in southeastern Poland. 498 related FT8 messages, 64 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 30 UTC dates. Heard between 2026-05-24 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

498

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 60m 40m 10m

First seen: 2026-05-24
Last seen: 2026-08-22 15:04 UTC

Frequent QSO partners observed at SO8OO

Stations DL4HTK worked most often, as logged from our receiver:

IK4LZH · Italy ×2 EA8UP · Canary Islands ×2 S56KO · Slovenia ×2 SP9UPH · Poland ×2 EC5M · Spain ×2 OR7K · Belgium ×2 4O7CC · Montenegro PD5MVH · Netherlands G0VFB · England F5LMJ · France HA1ZW · Hungary M0ELS · England

Activity Heatmap

Locator transmitted by DL4HTK

Approximate centre of JO51, decoded 2026-08-22 17:02 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	DL4HTK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 17:06	80m	-6 / -	DO8JB	- / 0	2	✓ Closing fragment
08-22 17:04	80m	-13 / -	DD5SI	-11 / -	2	✓ Closing observed
08-22 17:01	80m	-4 / -	DO8JB	- / -	2	Partial capture
08-21 10:41	20m	-6 / -13	DH1HF	-15 / -6	2	Partial capture
08-21 10:32	20m	-14 / -	OJ0YL	- / -9	10	Partial capture
08-21 10:24	20m	-15 / -20	OJ0YL	-17 / -7	7	Partial capture
08-21 10:05	20m	-22 / -	OJ0YL	- / -	2	Partial capture
08-21 09:59	20m	- / -11	HA3LI	+4 / -	2	✓ Closing fragment
08-19 04:15	80m	-12 / -	DG4BZ	-16 / -7	4	✓ Full exchange observed
08-19 04:10	80m	-22 / -	S55X	- / -	3	Partial capture
08-19 04:08	80m	-12 / -16	OZ1HYM	+1 / -	4	✓ Closing observed
08-18 04:02	80m	- / -	HA1DSL	-11 / -	2	Partial capture
08-18 04:02	80m	-14 / -13	DO6JSA	-18 / 0	5	✓ Full exchange observed
08-18 03:56	80m	-10 / +5	ON5HE	-5 / +6	3	✓ Full exchange observed
08-18 03:47	80m	- / -	F4IIX	-18 / -	3	Partial capture
08-18 03:47	80m	-6 / -2	SP5DFK	-8 / -9	4	Partial capture
08-18 03:39	80m	-5 / -10	DO7DK	-4 / 0	5	✓ Full exchange observed
08-18 03:37	80m	-18 / -	DF9JL	0 / +7	5	✓ Full exchange observed
08-18 03:34	80m	+5 / -	MM0KQC	-23 / -2	3	✓ Closing observed
08-18 03:33	80m	+4 / -11	YL2NX	-20 / -15	11	✓ Full exchange observed
08-18 03:33	80m	- / -	DL9KM	-11 / -	7	Partial capture
08-18 03:32	80m	- / -	HA1DSL	-3 / -	3	Partial capture
08-18 03:32	80m	+4 / -10	HF5A	+12 / +3	7	✓ Full exchange observed
08-18 03:28	80m	-17 / +5	DO3MY	-18 / -	3	✓ Closing observed
08-17 21:06	80m	- / -11	OR7K	+2 / -	2	✓ Closing fragment
08-17 20:55	60m	- / -5	DL3BH	-14 / -	3	Partial capture
08-17 20:53	60m	- / -	F1HFP	-12 / -	2	Partial capture
08-17 20:53	60m	- / -8	DD6ZV	-12 / -	3	✓ Closing fragment
08-17 20:29	40m	- / -6	DL4EQ	-18 / -	2	Partial capture
08-17 03:38	80m	+8 / -1	OE5DML	+4 / +6	6	✓ Full exchange observed
08-17 03:36	80m	0 / -	OZ6NC	-24 / -1	4	✓ Closing observed
08-17 03:29	60m	-19 / -4	DH0KAI	-13 / -	5	✓ Closing observed
08-17 03:29	60m	- / -11	US2YW	-5 / -	4	✓ Closing fragment
08-17 03:25	60m	- / -8	DL5DQZ	-13 / -	2	✓ Closing fragment
08-17 03:22	60m	- / -5	EC1A	-8 / -	2	✓ Closing fragment
08-13 21:58	60m	- / -2	LB9ZG	-9 / -	2	✓ Closing fragment
08-13 21:57	60m	-21 / -11	F4ENK	-14 / +8	3	✓ Full exchange observed
08-13 21:53	60m	- / -7	F5RAV	-8 / -	4	✓ Closing fragment
08-13 21:52	60m	- / -11	OR7K	-7 / -	2	✓ Closing fragment
08-11 04:08	20m	- / -23	R6OP	+8 / -	2	✓ Closing fragment
08-10 19:21	60m	-12 / -8	DK4RH	-17 / +3	5	✓ Full exchange observed
08-10 19:17	60m	- / +1	DL8UD	+4 / -	2	✓ Closing fragment
08-10 03:58	60m	-14 / -5	F5OWT	-5 / +6	5	✓ Full exchange observed
08-10 03:56	60m	- / -19	F5NMO	-18 / -	2	✓ Closing fragment
08-10 03:54	60m	-18 / -7	LY3BRA	+5 / -	2	✓ Closing observed
08-10 03:52	60m	-14 / -14	GM7TUD	-10 / -	4	✓ Closing observed
08-10 03:48	80m	- / -6	OE8DDX	+10 / -	2	✓ Closing fragment
08-06 01:01	60m	-18 / -16	PA3CWI	-9 / -7	5	✓ Full exchange observed
08-05 21:55	80m	-3 / -	<...>	- / -9	3	Partial capture
08-05 21:51	80m	-10 / -7	IW2OEF	0 / +5	5	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
041000 -18 1503  S55X DL4HTK JO51 (x3)
041145  +0 1080  DL4HTK 9A60CBM -10
041415 +11  741  AD6QCC/R DL4HTK -16
041545 -17  663  DL4HTK DG4BZ +15
041600 -13  663  DG4BZ DL4HTK R-07
041615 -15  662  DL4HTK DG4BZ RRR
041630 -12  662  DG4BZ DL4HTK 73
170130  -3  533  DO8JB DL4HTK JO51 (x2)
170430 -11 1203  DL4HTK DD5SI RR73
170445 -13 1202  DD5SI DL4HTK 73
170615  -5  426  DO8JB DL4HTK +00 (x2)

20m

UTC    dB Audio  Message
102715 -16 2042  OJ0YL DL4HTK R-07 (x13)
104115  -6 1287  DH1HF DL4HTK -06
104200 -15 1288  DL4HTK DH1HF R-13

60m

UTC    dB Audio  Message
033100 -19 2333  DH0KAI DL4HTK RR73
033115  -3 2335  DL4HTK US2YW KN28 (x3)
205315 -11 2082  DL4HTK DD6ZV JO62
205345 -12 1720  DL4HTK F1HFP JN28
205345  -9 2082  DL4HTK DD6ZV R-08 (x2)
205415 -13 1721  DL4HTK F1HFP JN28
205515 -13 1457  DL4HTK DL3BH JN48 (x3)
040230  -7  479  SV8GXC DL4HTK JO51
040315 -16 1095  IS0AFM DL4HTK JO51
040400 -21 1952  K4YT DL4HTK JO51

40m

UTC    dB Audio  Message
161415 -15 2313  DL4HTK OZ9FF -04 (x2)
195045  -6  390  DL4HTK DR800WE -01
195430 -13  787  DL4HTK UF1A -19
195445 -14  788  UF1A DL4HTK R-06
195500  -8  787  DL4HTK UF1A -19
195515 -15  787  UF1A DL4HTK R-05
195530 -10  787  DL4HTK UF1A -19 (x2)
173030 +10  956  DL4HTK SP9UPH RR73
182215 -13 1130  DL4HTK RA4Y -15 (x2)
202945 -14 1708  DL4HTK DL4EQ -06 (x2)
203415 -12 2438  DL4HTK SP8NR -05

10m

UTC    dB Audio  Message
100615 -18 2111  DL4HTK E75W RR73
155845 -19 2145  DL4HTK IK4RVY -07 (x2)
160215 -15 1066  PD1DRE DL4HTK JO51
160300  -8 1066  DL4HTK PD1DRE RR73
160930  -8  587  IK4LZH DL4HTK R+00
161045 -19 2292  DL4HTK G4DBW JO01
195845  -3  989  DL4HTK F4DUZ +00 (x2)
140245  -3  921  DL4HTK SV7BAY -06 (x2)
144300 -16 2024  DL4HTK YO9PH -10 (x2)
202730  -4  617  DL4HTK SV2CLJ RR73
160800 -19 1403  DL4HTK LZ1JZ RR73

Decoder S/N history by band

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