RD4FD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO23

Receiver-side FT8 activity involving RD4FD, decoded by SO8OO in southeastern Poland. 289 related FT8 messages, 64 CQ messages, observed on 20m, 10m, across 18 UTC dates. Heard between 2026-04-21 and 2026-06-24.

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

289
Related messages
64
CQ messages
18
UTC dates heard
-2 dB
Mean decoder S/N

Bands

20m 10m
First seen: 2026-04-21
Last seen: 2026-06-24 04:59 UTC

Frequent QSO partners observed at SO8OO

Stations RD4FD worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RD4FD

Approximate centre of LO23, decoded 2026-06-21 04:36 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 UTCBandRD4FD S/NCounterpartCounterpart S/NMsgsCapture
06-24 06:54 10m - / -23 CT5IUO -7 / - 8 Partial capture
06-24 06:26 20m - / -7 M8KKH -6 / - 2 ✓ Closing fragment
06-21 04:35 20m -11 / - TI5RR - / - 3 Partial capture
06-21 04:31 20m -10 / - TI5RR - / - 3 Partial capture
06-21 04:22 20m -8 / - TY5AD - / - 2 Partial capture
06-21 04:03 20m -4 / - TY5AD - / - 2 Partial capture
06-20 04:51 20m 0 / - HI3A - / - 2 Partial capture
06-18 09:35 20m -8 / - UA9QFF - / -9 3 ✓ Closing fragment
06-18 09:33 20m +8 / - JA2ATE - / - 2 Partial capture
06-18 09:03 10m -16 / -5 R6DNC -12 / -1 3 ✓ Full exchange observed
06-18 08:56 10m -18 / -16 D2UY -14 / -12 4 Partial capture
06-18 07:24 10m - / -14 EX8ABR -19 / - 2 ✓ Closing fragment
06-17 09:17 20m - / 0 TF4CU -6 / - 2 Partial capture
06-17 09:14 20m -10 / -13 EA5D -11 / -8 4 ✓ Full exchange observed
06-17 09:12 20m -4 / - <...> - / - 3 Partial capture
06-17 07:28 20m -11 / - 9A5AZK - / 0 3 ✓ Closing fragment
06-15 05:13 20m +6 / - <...> - / - 2 Partial capture
06-15 04:46 20m -16 / - N3RC - / - 3 Partial capture
06-03 10:28 10m - / -2 R7DX +9 / - 3 Partial capture
06-03 10:26 10m -14 / - RZ6ASO - / -6 2 ✓ Closing fragment
06-03 10:24 10m -19 / - YC1SNI - / - 3 Partial capture
06-02 08:46 20m -8 / -16 RZ0SW -10 / -8 4 ✓ Full exchange observed
05-31 06:51 20m -20 / -13 RK1AA -10 / -22 5 ✓ Full exchange observed
05-31 06:20 20m -3 / - R8AGF -8 / - 2 ✓ Closing observed
05-31 06:10 20m -14 / - IQ0RU - / -8 2 ✓ Closing fragment
05-31 06:06 20m -14 / - R1OBH - / -17 2 ✓ Closing fragment
05-31 05:46 20m -20 / -8 R0ADA -12 / -6 2 Partial capture
05-31 05:41 20m - / -16 SV7BAY +9 / - 3 Partial capture
05-31 05:10 20m - / -8 RV6HE -5 / - 3 Partial capture
05-31 05:09 20m -4 / -16 RA9CUU -11 / - 2 Partial capture
05-30 04:50 20m -8 / - SQ4FXT - / - 2 ✓ Closing fragment
05-28 04:22 20m -10 / - TI5RTZ - / - 2 Partial capture
05-27 09:55 10m - / -18 YD6APA -5 / - 4 ✓ Closing fragment
05-27 06:16 20m -10 / +1 EW2ZC +9 / -9 6 ✓ Full exchange observed
05-27 04:34 20m -3 / - HC2GRC - / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
085730 -12 2088  RD4FD D2UY -16 (x2)
085845 -18 2105  D2UY RD4FD R-12
090300 -10  385  RD4FD R6DNC -05
090315 -16 1203  R6DNC RD4FD R-01
090330 -13  383  RD4FD R6DNC RR73
064815  -6 1659  RD4FD F6JON/QRP +04
065445  -6  567  RD4FD CT5IUO -23 (x8)
20m 
UTC    dB Audio  Message
045130  +3  981  HI3A RD4FD LO23 (x2)
040215 -10 2332  HB9HSJ RD4FD LO23
040315  -5  401  TY5AD RD4FD LO23 (x4)
043100 -14  913  TI5RR RD4FD LO23 (x6)
062600  -7  945  RD4FD M8KKH -07 (x2)

Decoder S/N history by band

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