DM4SJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JN49

Receiver-side FT8 activity involving DM4SJ, decoded by SO8OO in southeastern Poland. 80 related FT8 messages, 6 CQ messages, observed on 80m, 40m, 20m, 10m, across 10 UTC dates. Heard between 2026-04-25 and 2026-06-26.

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

80
Related messages
6
CQ messages
10
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-04-25
Last seen: 2026-06-26 15:33 UTC

Frequent QSO partners observed at SO8OO

Stations DM4SJ worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DM4SJ

Approximate centre of JN49, decoded 2026-06-26 17:39 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 UTCBandDM4SJ S/NCounterpartCounterpart S/NMsgsCapture
06-26 17:33 10m - / -10 CR7BRV -4 / - 2 ✓ Closing fragment
06-26 17:17 10m - / +1 M0BEW -6 / - 3 Partial capture
06-25 19:39 10m - / -14 PD0HLA -10 / - 4 Partial capture
06-25 19:32 10m - / +2 G3TKT -19 / - 3 Partial capture
06-25 19:29 10m -15 / - 9A2KS - / -7 3 Partial capture
06-25 19:22 10m -19 / - GU7DAI - / +10 9 ✓ Closing fragment
06-25 19:18 10m -15 / - EA3GAN - / -17 3 ✓ Closing fragment
06-25 19:17 10m -12 / - SP2EWQ - / -1 2 ✓ Closing fragment
06-25 19:10 10m -13 / +3 ON6DSL -8 / +2 11 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
193000 -19 1467  9A2KS DM4SJ -08 (x2)
193215 -16 1468  DM4SJ G3TKT IO92 (x3)
193915 -10 2678  DM4SJ PD0HLA -14 (x4)
171745  -5 1470  DM4SJ M0BEW +01 (x3)
173315  -5 1093  DM4SJ CR7BRV -10 (x2)
173900 -18 1285  LY1SR DM4SJ JN49

Decoder S/N history by band

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