OH3BYZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Finland Locator transmitted in a decoded message: KP21

Receiver-side FT8 activity involving OH3BYZ, decoded by SO8OO in southeastern Poland. 368 related FT8 messages, 141 CQ messages, observed on 40m, 20m, across 32 UTC dates. Heard between 2026-04-21 and 2026-07-12.

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

368
Related messages
141
CQ messages
32
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 40m
First seen: 2026-04-21
Last seen: 2026-07-12 08:39 UTC

Frequent QSO partners observed at SO8OO

Stations OH3BYZ worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by OH3BYZ

Approximate centre of KP21, decoded 2026-06-16 23:26 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 UTCBandOH3BYZ S/NCounterpartCounterpart S/NMsgsCapture
07-02 16:33 40m - / -16 YO5IB -22 / - 3 ✓ Closing fragment
06-18 04:17 20m - / -13 RA4Y +10 / - 3 Partial capture
06-16 23:25 40m -9 / -9 IK4LZH +6 / -2 4 Partial capture
06-11 15:41 20m - / - RW3TY +2 / - 3 Partial capture
06-11 15:29 20m -11 / - YU7XL -24 / -12 4 ✓ Closing observed
06-06 10:57 20m - / -16 EB1LA -8 / - 5 Partial capture
06-05 05:12 20m - / - R7OV -14 / - 2 ✓ Closing fragment
06-04 14:01 20m -4 / -12 TA5FW -15 / -8 6 Partial capture
06-04 13:54 20m -11 / -4 IK4LZH -6 / -4 2 Partial capture
06-02 15:42 20m - / - UW5ESX -1 / - 3 Partial capture
06-01 05:39 40m -22 / - UR4LMZ - / - 2 ✓ Closing fragment
06-01 05:29 40m - / - DH1JG -13 / - 2 ✓ Closing fragment
06-01 05:21 40m - / -17 YO9PH 0 / - 3 ✓ Closing fragment
06-01 05:07 40m -20 / - UA4WCS - / -1 2 ✓ Closing fragment
06-01 05:05 40m - / -9 DG1KFR -12 / - 3 ✓ Closing fragment
05-30 17:10 40m - / - PD1HBL -21 / - 3 Partial capture
05-30 16:10 40m -16 / - OK2PKT - / -3 2 ✓ Closing fragment
05-30 16:07 40m -16 / - R4ML - / 0 2 ✓ Closing fragment
05-30 16:05 40m -15 / -17 IK4LZH -2 / -4 4 ✓ Full exchange observed
05-30 16:03 40m -14 / - DL3KBJ - / -15 2 ✓ Closing fragment
05-30 15:55 40m -18 / - LY1DY -10 / +9 3 ✓ Full exchange observed
05-30 15:43 40m -12 / - RA3TK - / -3 2 ✓ Closing fragment
05-30 15:43 40m -16 / 0 LY1SR +4 / - 18 Partial capture
05-30 15:42 40m - / - DL3KDP -4 / - 2 Partial capture
05-30 04:26 20m - / -14 R9OOF -1 / - 2 Partial capture
05-30 04:17 20m - / -16 A99AA -16 / - 3 Partial capture
05-29 14:26 20m - / - M0KLG -22 / - 2 Partial capture
05-29 14:16 20m -14 / - IQ5VK -24 / - 2 ✓ Closing observed
05-26 12:02 20m - / - DL6EL +14 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
154145  +2 1305  OH3BYZ RW3TY LO26 (x2)
155630 -10 2203  CQ OH3BYZ KP21 (x4)
160130  -9 2204  UR5WCS OH3BYZ R-08
035300 -17 2145  CQ OH3BYZ KP21 (x3)
041545 -10 1999  OH3BYZ TA3ZGR KN40
041715  +5 2432  OH3BYZ RA4Y LO35 (x3)
103945 -21 2221  OH3BYZ IU4DTV RR73
40m 
UTC    dB Audio  Message
054530 -17 2140  CQ OH3BYZ KP21
054700 -24 2140  R2SN OH3BYZ R+13
161300 -18 2082  R3CE OH3BYZ RR73
161400 -20 2082  RY9W OH3BYZ -06
232530  -9 1559  IK4LZH OH3BYZ -02
232545  +6  538  OH3BYZ IK4LZH R-09 (x2)
232630  -9 1558  CQ OH3BYZ KP21
232645 -16 2100  OH3BYZ RI0SP -19
232645  +6  538  OH3BYZ IK4LZH R-09
163330  -5 2797  OH3BYZ IQ4JO JN63
163330 -22 1990  OH3BYZ YO5IB KN16 (x3)
154245  -8 2733  OH3BYZ IQ4JO JN63

Decoder S/N history by band

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