DL4CH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO43

Receiver-side FT8 activity involving DL4CH, decoded by SO8OO in southeastern Poland. 100 related FT8 messages, observed on 20m, 10m, across 33 UTC dates. Heard between 2026-04-26 and 2026-07-21.

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

100
Related messages
0
CQ messages
33
UTC dates heard
-6 dB
Mean decoder S/N

Bands

20m 10m
First seen: 2026-04-26
Last seen: 2026-07-21 17:59 UTC

Frequent QSO partners observed at SO8OO

Stations DL4CH worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DL4CH

Approximate centre of JO43, decoded 2026-07-28 19:51 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 UTCBandDL4CH S/NCounterpartCounterpart S/NMsgsCapture
07-28 19:20 20m -24 / - UP7Z - / -4 2 ✓ Closing fragment
07-22 17:22 10m -24 / - E79AN - / -9 2 Partial capture
07-18 09:24 10m - / +4 IK7IMK -3 / - 2 ✓ Closing fragment
07-15 11:15 20m -17 / -8 <...> -15 / - 2 Partial capture
07-15 11:14 20m -20 / - GW5VOG - / -11 2 Partial capture
07-13 20:27 20m -18 / - VR2KF - / - 2 Partial capture
07-13 15:41 10m -18 / - EW8DU - / -6 2 ✓ Closing fragment
07-13 15:36 10m -20 / - R3WF - / -17 2 ✓ Closing fragment
07-09 20:47 20m -12 / -14 M9VVE +2 / +4 6 ✓ Full exchange observed
07-05 15:34 10m - / -9 IT9EJW -13 / - 2 ✓ Closing fragment
06-30 10:53 10m -10 / - MM9SDP - / -1 3 ✓ Closing fragment
06-29 19:21 10m -11 / - LZ1ZF - / - 2 Partial capture
06-29 19:13 10m -10 / - YL2TM - / - 3 ✓ Closing fragment
06-29 19:10 10m -13 / - SP4SHL - / -1 5 ✓ Closing fragment
06-29 19:05 10m -11 / - ER5GB - / -5 3 ✓ Closing fragment
06-29 16:46 10m - / -6 R3GO 0 / - 2 ✓ Closing fragment
06-23 18:20 20m - / -16 TA1MDS -17 / - 3 ✓ Closing fragment
06-19 19:54 20m - / -17 VU2WJ -7 / - 3 ✓ Closing fragment
06-19 19:48 20m - / - F5PBG -5 / - 3 Partial capture
06-19 19:47 20m - / -14 RI0SP -10 / - 2 ✓ Closing fragment
06-14 19:24 10m -17 / - PY4BSC - / - 3 Partial capture
06-14 09:38 20m -14 / - UA2FFD - / - 2 Partial capture
06-10 18:06 10m +2 / -5 G8KHF -9 / +10 3 ✓ Full exchange observed
06-10 17:59 10m 0 / - LY3PW - / - 2 ✓ Closing fragment
06-10 09:42 10m - / -8 AO100AG -2 / - 3 Partial capture
06-08 16:36 10m -14 / - IU7VOL - / - 2 Partial capture
06-07 13:09 20m - / -2 MM7UHK -12 / - 2 Partial capture
06-05 07:51 20m -5 / - PW8GTB - / - 2 Partial capture
06-04 19:21 20m +4 / - K1SSN - / -10 3 ✓ Closing fragment
06-04 19:19 20m +2 / - TA2BMV - / - 2 Partial capture
06-04 07:26 20m -10 / - OJ0Z -6 / +3 5 ✓ Closing observed
06-04 07:13 20m -11 / - OJ0Z - / - 9 Partial capture
06-02 17:08 20m - / -14 UN0GY -4 / - 2 ✓ Closing fragment
06-02 16:51 20m - / +1 UA4FEN -10 / - 2 Partial capture
05-31 07:45 20m -17 / -18 9A5AZK -4 / - 3 Partial capture
05-30 18:00 20m -7 / - UA9LKL - / - 2 Partial capture
05-30 07:57 20m - / -17 RI0SP +1 / - 2 ✓ Closing fragment
05-28 08:32 20m -8 / - M7SQI - / -12 4 Partial capture
05-27 19:07 10m - / -5 7Q3WS -5 / - 2 ✓ Closing fragment
05-27 18:40 10m - / -10 PU1NIO -14 / - 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
204845  +3  686  DL4CH M9VVE RR73 (x2)
202745 -18 2026  VR2KF DL4CH JO43 (x2)
111400 -18 1880  GW5VOG DL4CH JO43 (x2)
111545 -17 2425  <...> DL4CH JO43
111600 -15 2424  DL4CH <...> -08
195945  -4 2828  DL4CH JA0LFV -18
191345 -20 1758  DK4BP DL4CH R-07
192045 -24 1502  UP7Z DL4CH R-04 (x2)
195045 -20 1477  OE5BTM DL4CH JO43
195115 -21 1311  WA3MH DL4CH JO43
195145 -17 2468  N1MIE DL4CH JO43
10m 
UTC    dB Audio  Message
142700  +1  650  DL4CH RR73; SP9XG <...> +14
153445 -11 1772  DL4CH IT9EJW -09 (x2)
190700 -20 2131  SP5AA DL4CH R+23
153600 -19 1865  R3WF DL4CH R-17 (x2)
153930 -20 2055  SP8IPJ DL4CH R+07
154100 -20 2057  EW8DU DL4CH -06 (x2)
092400  -4 1440  DL4CH IK7IMK +04 (x2)
201200 -15 1212  DL4CH YO3TEP -14
172230 -24 1449  E79AN DL4CH JO43 (x2)
172945 -14  960  S51DM DL4CH JO43

Decoder S/N history by band

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