ON4HDH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON4HDH, decoded by SO8OO in southeastern Poland. 40 related FT8 messages, 3 CQ messages, observed on 80m, 40m, 20m, across 4 UTC dates. Heard between 2026-08-04 and 2026-08-09.
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations ON4HDH worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by ON4HDH
Approximate centre of JO20, decoded 2026-08-09 06:03 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 UTC | Band | ON4HDH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-09 06:03 | 80m | -14 / - | CR7BRV | - / - | 2 | Partial capture |
| 08-09 04:34 | 80m | -18 / -4 | OE8DDX | +12 / +3 | 3 | ✓ Full exchange observed |
| 08-09 04:31 | 80m | -24 / - | N3QXC | - / - | 3 | Partial capture |
| 08-09 04:20 | 80m | - / -10 | DL9KM | -6 / - | 10 | Partial capture |
| 08-09 04:19 | 80m | -24 / -8 | 9A9TT | -2 / - | 3 | ✓ Closing observed |
| 08-09 04:18 | 80m | - / -11 | DL1YAU | -13 / - | 2 | ✓ Closing fragment |
| 08-09 04:18 | 80m | - / - | DO5PY | -8 / - | 3 | Partial capture |
| 08-09 04:15 | 80m | -22 / - | F5LMJ | - / -14 | 3 | Partial capture |
| 08-06 15:05 | 40m | - / -8 | OK1UOZ | -6 / - | 4 | ✓ Closing fragment |
| 08-05 17:25 | 80m | - / -15 | OM1II | 0 / - | 2 | ✓ Closing fragment |
| 08-05 16:59 | 80m | - / -14 | DL3FBI | -9 / - | 3 | ✓ Closing fragment |
| 08-05 16:59 | 80m | - / -24 | F5RRS | -17 / - | 3 | ✓ Closing fragment |
| 08-05 16:46 | 40m | - / -16 | ON6PL | -18 / - | 2 | Partial capture |
| 08-04 16:15 | 40m | - / - | DL6UM | -12 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 042215 -13 1164 ON4HDH DL9KM R-10 (x7) 043100 -24 1905 N3QXC ON4HDH JO20 (x3) 043415 +14 611 ON4HDH OE8DDX -04 043430 -18 613 OE8DDX ON4HDH R+03 043445 +11 611 ON4HDH OE8DDX RR73 060300 -13 751 CR7BRV ON4HDH JO20 (x2)
UTC dB Audio Message 151200 -6 530 ON4HDH F5RRS R-01 161545 -12 775 ON4HDH DL6UM JO60 (x2) 164600 -18 2218 ON4HDH ON6PL -16 (x2) 150545 -10 2645 ON4HDH OK1UOZ JO70 (x4) 044200 -17 932 CQ ON4HDH JO20 (x2) 044330 -17 931 SP5EXA ON4HDH RRR
UTC dB Audio Message 090330 -15 2476 ON4HDH UA3LRN KO64
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.