OK1DSJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Czech Republic Locator transmitted in a decoded message: JO70

Receiver-side FT8 activity involving OK1DSJ, decoded by SO8OO in southeastern Poland. 104 related FT8 messages, 31 CQ messages, observed on 40m, 20m, 10m, across 9 UTC dates. Heard between 2026-05-03 and 2026-07-29.

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

104
Related messages
31
CQ messages
9
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 40m 10m
First seen: 2026-05-03
Last seen: 2026-07-29 13:00 UTC

Frequent QSO partners observed at SO8OO

Stations OK1DSJ worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by OK1DSJ

Approximate centre of JO70, decoded 2026-07-02 16:01 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 UTCBandOK1DSJ S/NCounterpartCounterpart S/NMsgsCapture
07-15 16:28 10m - / -6 UR9QQ -7 / - 2 Partial capture
07-02 16:01 40m -16 / - DL9HB - / -17 2 ✓ Closing fragment
07-02 15:56 40m -14 / -8 DL9KM -12 / -14 4 ✓ Full exchange observed
06-21 16:18 20m -19 / - R3XCY - / -23 2 Partial capture
06-21 16:14 20m -14 / - DJ7XY - / -4 2 ✓ Closing fragment
06-21 16:12 20m -20 / - DK7ZT - / +9 2 ✓ Closing fragment
06-21 16:11 20m - / - YO5PHL -14 / - 4 Partial capture
06-21 16:09 20m - / -13 F1PBZ -7 / - 2 Partial capture
06-12 15:50 40m -6 / - PD0ONP - / -3 2 ✓ Closing fragment
06-12 15:49 40m -11 / - DL6BAD - / -3 2 ✓ Closing fragment
06-12 15:47 40m -16 / - F6BEC -15 / +5 3 ✓ Closing observed
06-12 15:45 40m -16 / -11 SP3HCA 0 / - 3 ✓ Closing observed
06-12 15:41 40m -12 / -11 UT3KW 0 / -4 5 ✓ Full exchange observed
06-12 15:41 40m - / -9 9A1CCB +4 / - 3 Partial capture
06-12 15:39 40m - / 0 OZ6VFR -19 / - 2 ✓ Closing fragment
06-12 15:36 40m - / -16 SQ1MNG -11 / - 4 ✓ Closing fragment
06-12 15:34 40m - / -13 IK4LZH -6 / - 2 Partial capture
06-12 15:32 40m -11 / - DJ7XB -14 / -3 3 ✓ Closing observed
06-12 15:30 40m - / - IQ4JO -4 / - 3 Partial capture
06-12 15:30 40m -10 / -11 SP2KW -13 / - 4 ✓ Closing observed
06-12 15:25 20m - / -15 LZ1ZF -6 / - 2 ✓ Closing fragment
05-30 15:37 40m -8 / -15 YO8GS +6 / - 5 ✓ Closing observed
05-30 15:19 20m - / -17 R0AX +2 / - 2 ✓ Closing fragment
05-30 15:12 20m - / -21 RZ0SW -16 / - 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
161200 -14 1930  ON7KEC OK1DSJ 73
161215 -13 1930  OK1DSJ YO5PHL KN16
161230 -19 1930  DK7ZT OK1DSJ R+09
161245 -18 1930  OK1DSJ YO5PHL KN16
161300 -21 1930  DK7ZT OK1DSJ 73
161330 -16 1930  CQ OK1DSJ JO70
161400 -14 1930  DJ7XY OK1DSJ -04 (x2)
161530 -14 1930  CQ OK1DSJ JO70                        a1 (x3)
161800 -19 1930  R3XCY OK1DSJ -23 (x2)
155100 -16 1139  CQ OK1DSJ JO70
150045 -22 1624  OK1DSJ PE9JAN 73
10m 
UTC    dB Audio  Message
162830  -2 1042  OK1DSJ UR9QQ KN77 (x2)
143545  +7 2781  OK1DSJ F1PBZ -20
40m 
UTC    dB Audio  Message
155115  -9 1122  PD0ONP OK1DSJ RR73
155145  -8 1122  CQ OK1DSJ JO70
155200  -3 2585  OK1DSJ IQ4JO JN63
155215 -10 1122  CQ OK1DSJ JO70 (x2)
155400 -15 1106  IK4JPP OK1DSJ R-11
155600 -17 1106  CQ OK1DSJ JO70
155615 -14 1137  OK1DSJ DL9KM JN68
155700 -15 1106  DL9KM OK1DSJ -14
155715 -10 1137  OK1DSJ DL9KM R-08
155730 -13 1105  DL9KM OK1DSJ RR73
160100 -16 1106  CQ OK1DSJ JO70
160130 -18 1105  DL9HB OK1DSJ -17 (x2)
160300 -17 1106  PD2MAC OK1DSJ RR73

Decoder S/N history by band

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