ON4ACF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON4ACF, decoded by SO8OO in southeastern Poland. 152 related FT8 messages, 42 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-06-22 and 2026-08-20.
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 ON4ACF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by ON4ACF
Approximate centre of JO11, decoded 2026-08-20 19:52 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 | ON4ACF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-20 19:53 | 20m | +17 / -11 | CT1BFP | -4 / +3 | 6 | ✓ Full exchange observed |
| 08-20 19:51 | 20m | +12 / - | BA3QIQ | - / -10 | 2 | ✓ Closing fragment |
| 08-20 19:46 | 20m | +6 / - | JG1IPZ | - / -14 | 6 | ✓ Closing fragment |
| 08-20 19:42 | 20m | -2 / - | BG7BMG | - / -3 | 5 | Partial capture |
| 08-20 19:41 | 20m | 0 / - | BG5BNW | - / -13 | 2 | ✓ Closing fragment |
| 08-20 19:39 | 20m | -5 / -5 | BA3NZ | -10 / - | 3 | ✓ Closing observed |
| 08-20 19:21 | 20m | - / - | RR73; | -2 / - | 2 | Partial capture |
| 08-20 19:19 | 20m | +9 / -1 | XU7O | -4 / -5 | 30 | ✓ Full exchange observed |
| 08-14 19:17 | 40m | - / - | UA4FKT | +4 / - | 2 | Partial capture |
| 07-25 20:09 | 20m | -7 / - | DL/CN8NY | - / +5 | 2 | Partial capture |
| 07-25 19:00 | 20m | - / -13 | IS0KNG | -9 / - | 10 | Partial capture |
| 07-24 21:36 | 20m | - / -17 | IU4TQQ | -13 / - | 2 | Partial capture |
| 07-24 20:43 | 40m | - / - | DL6UM | -2 / - | 3 | Partial capture |
| 07-24 20:42 | 80m | - / - | DD7EE | -2 / - | 2 | Partial capture |
| 07-24 20:41 | 80m | - / -11 | DO1NJN | -2 / - | 2 | ✓ Closing fragment |
| 07-24 20:37 | 80m | - / -15 | DL1IP | 0 / - | 3 | ✓ Closing fragment |
| 07-24 07:49 | 20m | - / - | IQ4JO | -4 / - | 2 | ✓ Closing fragment |
| 07-23 18:33 | 20m | - / - | R6DOP | -9 / - | 3 | Partial capture |
| 07-23 09:28 | 20m | -16 / -9 | DL5DQZ | -11 / - | 12 | Partial capture |
| 07-23 09:28 | 20m | -14 / - | DL2FX | - / -20 | 2 | ✓ Closing fragment |
| 07-23 09:26 | 20m | -16 / - | HA3GX | - / +2 | 2 | ✓ Closing fragment |
| 07-23 09:23 | 20m | -23 / -3 | RN6MA | -19 / +5 | 5 | ✓ Full exchange observed |
| 07-23 09:18 | 20m | - / +5 | F1PSX | -19 / - | 4 | ✓ Closing fragment |
| 07-22 20:08 | 160m | - / -7 | DO2RG | -11 / - | 2 | ✓ Closing fragment |
| 07-21 20:36 | 20m | -3 / - | 6M0MM | - / -24 | 4 | Partial capture |
| 07-21 20:34 | 20m | 0 / - | UX7QV | - / +4 | 2 | Partial capture |
| 07-21 20:28 | 20m | -4 / - | RK3AQ | - / - | 2 | ✓ Closing fragment |
| 07-21 20:27 | 20m | -7 / - | BD8SN | -18 / -8 | 3 | ✓ Closing observed |
| 07-21 20:26 | 20m | - / - | IU8RFW | -19 / - | 5 | Partial capture |
| 07-21 20:24 | 20m | -9 / - | BG7BVI | - / +1 | 5 | ✓ Closing fragment |
| 07-21 20:17 | 20m | +2 / - | JE1LFX | - / - | 8 | Partial capture |
| 07-21 20:13 | 20m | +8 / - | R5AV | - / - | 2 | ✓ Closing fragment |
| 07-21 13:43 | 10m | - / - | 9A4ZM | -18 / - | 2 | Partial capture |
| 07-21 13:26 | 20m | - / -11 | RN6MA | -7 / - | 3 | Partial capture |
| 07-21 13:24 | 20m | - / - | IN3GHP | -18 / - | 2 | Partial capture |
| 07-19 18:58 | 20m | -9 / - | 7Z1BM | - / - | 7 | Partial capture |
| 07-19 18:53 | 20m | - / - | RK3AQ | -14 / - | 2 | Partial capture |
| 07-19 18:52 | 20m | -3 / -17 | F5RRS | -9 / -19 | 11 | ✓ Full exchange observed |
| 07-17 20:53 | 20m | - / - | DL1R | -8 / - | 2 | Partial capture |
| 07-17 20:50 | 20m | - / -2 | EA3KE | -10 / - | 2 | Partial capture |
| 07-14 19:02 | 20m | - / -12 | E70SZ | -6 / - | 5 | Partial capture |
| 07-03 20:22 | 20m | -20 / -15 | UR4QWW | -21 / - | 7 | ✓ Full exchange observed |
| 07-03 20:18 | 20m | -14 / - | DK6WS | - / - | 2 | Partial capture |
| 07-03 20:00 | 20m | - / -15 | RN6MA | -1 / - | 3 | Partial capture |
| 07-03 19:40 | 20m | -9 / -19 | F4LTP | -8 / - | 4 | ✓ Closing observed |
| 07-03 19:21 | 20m | - / -13 | TM2WWA | -6 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 194915 +14 720 JG1IPZ ON4ACF -14 (x2) 195000 -17 1069 ON4ACF BG4OOO -17 195015 +15 720 CQ ON4ACF JO11 (x2) 195115 +13 720 BA3QIQ ON4ACF -10 (x2) 195215 +7 720 CQ ON4ACF JO11 (x2) 195300 +0 1618 ON4ACF CT1BFP IM59 (x2) 195345 +15 720 CT1BFP ON4ACF +03 195400 -8 1617 ON4ACF CT1BFP R-11 195415 +19 720 CT1BFP ON4ACF RR73 195430 -9 1619 ON4ACF CT1BFP 73
UTC dB Audio Message 193645 -19 1079 ON4ACF F1IQH 73 204330 -2 996 ON4ACF DL6UM JO60 (x3) 191700 +4 440 ON4ACF UA4FKT LO23 (x2)
UTC dB Audio Message 134330 -19 1608 ON4ACF 9A4ZM JN86 (x2) 183100 -12 838 ON4ACF F8DWH IN94
UTC dB Audio Message 200345 -24 2012 CQ ON4ACF JO11 a1 203700 +0 1568 ON4ACF DL1IP JN49 (x3) 204100 +1 1710 ON4ACF DO1NJN R-11 (x2) 204200 -4 1162 ON4ACF DD7EE JO41 (x2)
UTC dB Audio Message 200815 -9 1399 ON4ACF DO2RG -07 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.