DJ4CH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO53

Receiver-side FT8 activity involving DJ4CH, decoded by SO8OO in southeastern Poland. 502 related FT8 messages, 87 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, across 20 UTC dates. Heard between 2026-05-07 and 2026-08-05.

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

502
Related messages
87
CQ messages
20
UTC dates heard
-4 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 160m
First seen: 2026-05-07
Last seen: 2026-08-05 20:16 UTC

Frequent QSO partners observed at SO8OO

Stations DJ4CH worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DJ4CH

Approximate centre of JO53, decoded 2026-08-05 22:09 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 UTCBandDJ4CH S/NCounterpartCounterpart S/NMsgsCapture
08-05 22:07 80m -18 / -11 DL1AG -14 / - 3 ✓ Closing observed
08-05 22:06 80m - / -9 DL1NEO +2 / - 12 ✓ Closing fragment
08-05 22:06 80m - / +7 DO2DLE -7 / - 2 ✓ Closing fragment
08-05 21:44 40m - / - RD3FY -13 / - 3 Partial capture
08-05 21:38 40m - / +2 DL3MIB -5 / - 3 ✓ Closing fragment
08-05 21:19 80m - / +7 DO9JTR -23 / - 2 Partial capture
08-05 21:14 80m - / -13 EI4JFB -16 / - 3 ✓ Closing fragment
08-05 21:11 80m - / -3 DO1OAS -11 / - 2 ✓ Closing fragment
08-05 20:55 80m -23 / -1 DL1UDO -6 / +3 5 ✓ Full exchange observed
07-10 20:57 80m - / -10 DM8ET -12 / - 4 Partial capture
07-10 20:53 80m - / -4 ON1AEY -5 / - 3 ✓ Closing fragment
07-10 20:44 40m - / - OE5ROR -10 / - 5 Partial capture
06-28 21:31 80m +4 / +1 DO1FFO -8 / -3 4 ✓ Full exchange observed
06-28 21:27 80m - / - DL5XL -5 / - 18 Partial capture
06-28 21:24 80m +4 / -11 SV2FNT +4 / -14 4 ✓ Full exchange observed
06-28 21:23 80m - / - DL5XL -4 / - 2 Partial capture
06-28 21:21 80m +3 / +6 OO0O -9 / -5 5 ✓ Full exchange observed
06-28 21:21 80m - / +1 SP1EG +7 / - 3 Partial capture
06-28 21:18 80m +3 / +5 DO4UM +12 / +1 5 ✓ Full exchange observed
06-28 21:15 80m +4 / -6 LB5AK 0 / -6 5 ✓ Full exchange observed
06-28 20:07 20m - / - F1PPH -20 / - 5 Partial capture
06-28 20:01 20m - / -20 OE6TNO -9 / - 3 ✓ Closing fragment
06-24 22:33 20m - / +4 UN6LN +2 / - 2 ✓ Closing fragment
06-22 21:47 80m - / -11 RU3KA +7 / - 2 Partial capture
06-22 21:46 80m +2 / - DL6CGU -9 / -12 6 ✓ Full exchange observed
06-22 21:43 80m - / - 4Z5AV 0 / - 3 Partial capture
06-22 21:43 80m +5 / -11 IK4LZH +6 / -8 4 ✓ Full exchange observed
06-22 21:42 80m - / - SO5WD +16 / - 2 Partial capture
06-22 21:39 80m +3 / -9 RA3RDN +8 / -6 5 ✓ Full exchange observed
06-22 21:39 80m - / - SO5WD +17 / - 2 Partial capture
06-22 21:22 20m - / -9 S56UVB -2 / - 4 ✓ Closing fragment
06-22 20:46 40m - / -9 DL6CGU -20 / - 3 Partial capture
06-22 20:44 40m - / -8 DK5AI -2 / - 3 ✓ Closing fragment
06-22 17:16 40m -18 / -15 YO9PH -15 / -8 3 ✓ Full exchange observed
06-20 21:01 40m - / -20 DL5DQZ -8 / - 3 ✓ Closing fragment
06-20 20:59 40m - / - IQ4JO 0 / - 2 ✓ Closing fragment
06-20 20:52 40m - / -12 DK7UY -7 / - 3 ✓ Closing fragment
06-20 20:51 40m - / -6 F1PBZ -8 / - 2 Partial capture
06-19 16:08 60m - / - SP3EIE -5 / - 2 Partial capture
06-19 16:06 40m -21 / - DL1ASL - / -10 2 ✓ Closing fragment
06-19 16:04 40m -20 / -19 DL1YEG -13 / - 4 ✓ Closing observed
06-19 16:04 40m -16 / - F4CWQ - / -2 2 ✓ Closing fragment
06-19 16:01 40m -15 / -11 OH3OJ -12 / -3 4 ✓ Full exchange observed
06-18 20:36 20m - / -12 IU8RFW -15 / - 4 Partial capture
06-18 20:29 80m +2 / -11 OK1DLA +6 / -19 6 ✓ Full exchange observed
06-18 20:29 80m -10 / -3 DL5DQZ -2 / -6 5 ✓ Full exchange observed
06-18 20:27 80m - / -8 DO9YU -15 / - 2 ✓ Closing fragment
06-18 20:27 80m 0 / +1 DK8CX +11 / -11 6 ✓ Full exchange observed
06-18 20:24 80m 0 / +8 DD7EE +8 / +1 6 ✓ Full exchange observed
06-18 20:24 80m -2 / -1 OZ9GA +2 / -5 4 ✓ 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
220800  +1 2712  DJ4CH DL1NEO JN59
220815 -18 1141  DL1AG DJ4CH RR73
220830  -3 2712  DJ4CH DL1NEO JN59 (x2)
220915 -21 1142  CQ DJ4CH JO53
220930  +5 2642  DJ4CH F1PBZ -06
220930  +3 2712  DJ4CH DL1NEO JN59
220945 -20 1141  CQ DJ4CH JO53                         a1
221000  -2 2712  DJ4CH DL1NEO JN59 (x5)
221415 -15 1520  DJ4CH G0ANS -09
221630 -18 1520  CQ DJ4CH
40m 
UTC    dB Audio  Message
204530  -9 2009  DJ4CH OE5ROR JN78 (x4)
204730  -2 1100  DJ4CH F6KFT JN39
213800  -2 1069  DJ4CH DL3MIB JN57 (x3)
214030 -12 1198  DJ4CH DK0KG 73
214400 -12  237  DJ4CH RD3FY KO85 (x3)
214830 -15 1226  DJ4CH DL4KSD R+02
215330 -16 2034  DJ4CH SP0DF -07
215830 -20 1250  DJ4CH EW8AAC -05
20m 
UTC    dB Audio  Message
212345  +1 1123  DJ4CH S56UVB R-09 (x2)
223300  +1 2458  DJ4CH UN6LN +04 (x2)
223400 -16 1122  DJ4CH KP4QVQ -15
195545  -8 1070  DJ4CH HA7TM 73
195945 -11 2119  DJ4CH IU5HIU JN53
200115 -12 1074  DJ4CH OE6TNO JN77 (x3)
200745 -21 1772  DJ4CH F1PPH JN25 (x5)
60m 
UTC    dB Audio  Message
202245  -5 2113  DJ4CH DL5DQZ R-09 (x7)
202715  +2  856  DJ4CH G4ZFJ JO01 (x3)
203015  -5  856  DJ4CH DD6ZV JO62 (x3)
160800  -5 1521  DJ4CH SP3EIE JO83 (x2)
160m 
UTC    dB Audio  Message
203530 -11 1007  CQ DJ4CH JO32 (x4)
201830 -21 1978  EA2BFM DJ4CH JO32 (x3)

Decoder S/N history by band

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