DO3RSZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO62

Receiver-side FT8 activity involving DO3RSZ, decoded by SO8OO in southeastern Poland. 301 related FT8 messages, 19 CQ messages, observed on 80m, 20m, 10m, across 27 UTC dates. Heard between 2026-04-22 and 2026-06-12.

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

301
Related messages
19
CQ messages
27
UTC dates heard
-3 dB
Mean decoder S/N

Bands

80m 20m 10m
First seen: 2026-04-22
Last seen: 2026-06-12 04:48 UTC

Frequent QSO partners observed at SO8OO

Stations DO3RSZ worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DO3RSZ

Approximate centre of JO62, decoded 2026-06-04 18:11 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 UTCBandDO3RSZ S/NCounterpartCounterpart S/NMsgsCapture
06-12 06:47 10m - / -10 9X5KM -6 / - 2 Partial capture
06-12 06:37 10m - / -5 R3QX +6 / - 2 ✓ Closing fragment
06-12 06:22 10m - / -7 RV3FF -2 / - 2 ✓ Closing fragment
06-11 08:48 10m - / -8 R3XBS +7 / - 2 ✓ Closing fragment
06-10 07:42 10m - / +2 IQ1BK -2 / - 3 ✓ Closing fragment
06-09 10:59 10m - / -19 YB1HR -2 / - 2 Partial capture
06-08 09:51 10m - / -15 <...> -4 / - 2 Partial capture
06-08 09:46 10m -15 / - EX8ABQ - / -10 2 ✓ Closing fragment
06-08 09:38 10m -1 / - UT3SO - / - 2 Partial capture
06-08 09:36 10m +2 / - YU7ZZ - / - 2 Partial capture
06-08 09:32 10m 0 / - 9A4AA - / - 2 ✓ Closing fragment
06-08 09:28 10m -1 / - YU7MW - / - 2 Partial capture
06-08 09:19 10m - / -2 PI4DX -4 / - 4 Partial capture
06-08 09:08 10m -11 / - EG5SUN - / -17 6 ✓ Closing fragment
06-08 09:04 10m -5 / - IK7MIY - / - 2 ✓ Closing fragment
06-08 09:02 10m +6 / - IQ4JO - / - 2 ✓ Closing fragment
06-04 18:09 80m -11 / - OE8PPL - / - 5 Partial capture
06-02 20:01 80m -6 / - DL1MKJ - / - 3 Partial capture
06-02 19:57 80m -8 / -14 YU5DR +3 / +3 7 Partial capture
06-02 19:52 80m -7 / - UA4SN - / -16 3 Partial capture
06-02 19:48 80m +2 / - DL1MKJ - / - 7 Partial capture
06-02 19:46 80m -2 / - RV3X -7 / +2 3 ✓ Closing observed
06-02 19:39 80m -6 / - RN4HAB - / +10 5 Partial capture
06-02 19:35 80m -9 / -8 OE5VVM -1 / 0 7 ✓ Full exchange observed
06-02 19:32 80m -8 / -9 IU1DXU -2 / - 4 ✓ Closing observed
06-02 19:28 80m -2 / - <...> - / +1 2 Partial capture
06-02 19:22 80m -6 / - OE8PPL - / - 7 Partial capture
06-02 19:19 80m -11 / -8 SP9LS +2 / +5 6 ✓ Full exchange observed
06-02 19:13 80m -12 / - IQ7KM - / - 8 Partial capture
06-02 19:06 80m -10 / - OE8PPL - / +6 4 Partial capture
05-27 18:46 80m -14 / - OE8PPL - / - 9 Partial capture
05-26 17:42 80m -23 / - RT2P - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
105945  -3 1772  DO3RSZ YB1HR R-19
110230 -12 1502  DO3RSZ G8KHF RR73
074200  -9 1326  DO3RSZ IQ1BK +02 (x3)
081430  -8 2154  DO3RSZ 9H4JX RR73
084830  +8 2505  DO3RSZ R3XBS -08 (x2)
062230  -1 2892  DO3RSZ RV3FF -07 (x2)
063730  +7  865  DO3RSZ R3QX -05 (x2)
064730  -6  823  DO3RSZ 9X5KM -10 (x2)
064830  +0  823  DO3RSZ RR73; SP8BA <...> +08
80m 
UTC    dB Audio  Message
195745  +3 1913  DO3RSZ YU5DR -14
195800 -10 2239  9A4AA DO3RSZ JO62
195830 -10 2239  YU5DR DO3RSZ R+03 (x5)
200100  -2 2239  DL1MKJ DO3RSZ JO62 (x3)
180900 -12 1662  OE8PPL DO3RSZ JO62 (x5)

Decoder S/N history by band

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