DL5CK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO52

Receiver-side FT8 activity involving DL5CK, decoded by SO8OO in southeastern Poland. 394 related FT8 messages, 157 CQ messages, observed on 80m, 40m, 20m, 10m, across 23 UTC dates. Heard between 2026-06-06 and 2026-08-24.

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

394
Related messages
157
CQ messages
23
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-06-06
Last seen: 2026-08-24 02:09 UTC

Frequent QSO partners observed at SO8OO

Stations DL5CK worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DL5CK

Approximate centre of JO52, decoded 2026-08-24 02:29 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 UTCBandDL5CK S/NCounterpartCounterpart S/NMsgsCapture
08-24 04:06 20m - / -23 A41KB -24 / - 3 ✓ Closing fragment
08-24 04:02 20m - / -20 RM4HX -4 / - 2 Partial capture
08-24 02:24 80m -14 / -15 EA7LIC -8 / - 4 ✓ Closing observed
08-24 02:24 80m - / - F5LMJ -24 / - 3 Partial capture
08-24 02:22 80m -4 / -7 EW8CW -12 / -6 5 ✓ Full exchange observed
08-24 02:19 80m 0 / -2 OK2UPG +11 / 0 5 ✓ Full exchange observed
08-24 02:04 80m +1 / -7 OZ1KEF -4 / 0 5 ✓ Full exchange observed
08-24 01:59 80m +4 / - <...> - / -6 2 Partial capture
08-20 03:17 40m -16 / - D2UY - / - 2 Partial capture
08-20 02:59 80m 0 / - N8KR - / - 5 Partial capture
08-20 02:54 80m -12 / -25 KE4EB -9 / -4 10 ✓ Full exchange observed
08-17 04:34 80m -11 / -15 ON3CCC -8 / -14 5 ✓ Full exchange observed
08-17 04:32 80m -2 / +2 SP5DFK 0 / - 4 ✓ Closing observed
08-17 04:31 80m -1 / - DO1LR - / +4 2 ✓ Closing fragment
08-17 04:22 80m -8 / +3 DO2NM -6 / -7 5 ✓ Full exchange observed
08-17 04:19 80m +4 / +3 SP5DFK -16 / -25 4 ✓ Full exchange observed
08-17 04:17 80m 0 / +3 DO6JSA -24 / -11 4 ✓ Full exchange observed
08-17 04:13 80m +2 / -17 F1TXI -24 / -10 5 ✓ Full exchange observed
08-17 04:09 80m +4 / - PC1K - / -18 4 ✓ Closing fragment
08-15 03:41 80m -6 / - AA6KJ - / - 5 Partial capture
08-15 03:39 80m -2 / -11 F5LMJ -24 / -25 3 ✓ Full exchange observed
08-15 03:35 80m 0 / -1 IV3FSG -2 / - 4 ✓ Closing observed
08-15 03:34 80m +1 / +2 DL3KAV -12 / -7 5 ✓ Full exchange observed
08-14 01:50 80m -7 / - DO1ID - / - 2 Partial capture
08-10 04:10 80m -8 / - IV3DSG -10 / - 2 ✓ Closing observed
08-10 04:05 80m -8 / -2 SP5KG +11 / - 3 ✓ Closing observed
08-10 04:03 80m -6 / -2 DL2RPN +3 / +3 5 ✓ Full exchange observed
08-10 03:56 80m - / - OK1CI +8 / - 5 Partial capture
08-10 03:54 80m -6 / +1 OM1CI +1 / - 4 ✓ Closing observed
08-09 20:04 80m -3 / - JE6WOQ - / - 2 Partial capture
08-09 20:02 80m -8 / -12 DO8DT -1 / -1 5 ✓ Full exchange observed
08-09 20:01 80m -8 / - DO3OLI - / - 2 Partial capture
08-09 19:58 80m -6 / -18 UA3QNE +4 / -6 8 ✓ Full exchange observed
08-08 04:53 80m -6 / - <...> - / 0 2 Partial capture
08-07 05:08 40m -14 / - SV1DKR - / -11 2 ✓ Closing fragment
08-07 05:05 40m -12 / - ME9HEB - / -6 2 ✓ Closing fragment
08-07 05:01 40m -17 / - W5ETJ - / - 4 Partial capture
08-07 04:59 40m -16 / - HI8UD - / - 2 ✓ Closing fragment
08-07 04:57 40m -19 / - VE2FON - / -13 3 ✓ Closing fragment
08-07 04:55 40m -20 / - M0GDX - / - 2 ✓ Closing fragment
08-07 04:53 40m -17 / - KJ8H - / -17 3 ✓ Closing fragment
08-07 04:52 40m -16 / - 8S7DL - / - 3 Partial capture
08-07 04:51 40m -13 / - ND9M - / - 2 Partial capture
08-06 06:18 20m -13 / - NP3RK - / - 2 Partial capture
07-31 06:53 20m -12 / - UB3DLM -21 / -16 3 ✓ Closing observed
07-31 06:52 20m -11 / - K4YJ - / -17 3 ✓ Closing fragment
07-31 06:51 20m -13 / +2 R5AV -18 / +8 4 ✓ Full exchange observed
07-25 19:34 10m - / +2 GJ0KYZ -8 / - 2 ✓ Closing fragment
07-23 05:17 40m -18 / - YO3GNF - / -13 2 ✓ Closing fragment
07-23 05:13 40m -18 / - EA1HFI - / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
065215 -12 2322  K4YJ DL5CK -17 (x2)
065300 -21 2321  DL5CK UB3DLM KO84
065315 -10 2322  K4YJ DL5CK RR73
065345 -12 2322  UB3DLM DL5CK -16 (x2)
065445 -14 2322  CQ DL5CK JO52
065700 -16 2513  DL5CK IU4TQQ -05
061815 -11 2427  NP3RK DL5CK JO52 (x2)
040200  +1  412  DL5CK RM4HX -20 (x2)
040630 -24 1945  DL5CK A41KB -23 (x3)
80m 
UTC    dB Audio  Message
022300  -8 1502  DL5CK EW8CW -07
022315  +0 2119  EW8CW DL5CK R-06
022330 -16 1502  DL5CK EW8CW RR73
022345  -1 2119  EW8CW DL5CK 73
022400 -24 2119  DL5CK F5LMJ JN28
022430 -13 2119  EA7LIC DL5CK JO52
022445 -10 2001  DL5CK EA7LIC -15 (x2)
022530 -14 2119  EA7LIC DL5CK 73
022600 -24 2119  DL5CK F5LMJ JN28 (x2)
022700  -9 2119  CQ DL5CK JO52 (x4)
40m 
UTC    dB Audio  Message
045930 -16 2067  HI8UD DL5CK JO52 (x2)
050145 -18 2067  W5ETJ DL5CK JO52 (x4)
050545 -12 2093  ME9HEB DL5CK R-06 (x2)
050845 -16 2094  SV1DKR DL5CK R-11 (x2)
054645 -10 2274  G0OYQ DL5CK 73
031445 -19 1443  TJ1GD DL5CK JO52
031745 -20 1443  D2UY DL5CK JO52 (x2)
015830  -9 1400  AE4M DL5CK JO52
10m 
UTC    dB Audio  Message
133045  +1 2203  A71UN DL5CK JO52
133130  +3 2203  OD5JL DL5CK JO52 (x2)
133245  +4 2450  A71UN DL5CK JO52 (x3)
151315 -18 2000  EX8ABR DL5CK JO52
142730 -17 2022  DL5CK YO9PH -02 (x2)
112400  -7  380  DL5CK UB3YGA KO62 (x2)
052630  -3 2472  DL5CK R6OK RR73
193400  -4  822  DL5CK GJ0KYZ +02 (x2)
064600 -10 1180  DL5CK A71UN RR73

Decoder S/N history by band

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