ON3YDM — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ON3YDM, decoded by SO8OO in southeastern Poland. 379 related FT8 messages, 255 CQ messages, observed on 40m, 20m, across 7 UTC dates. Heard between 2026-06-19 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.
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Overview
Frequent QSO partners observed at SO8OO
Stations ON3YDM worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by ON3YDM
Approximate centre of JO21, decoded 2026-08-20 14:23 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 | ON3YDM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-20 14:23 | 20m | - / -12 | UA4CQS | -3 / - | 3 | ✓ Closing fragment |
| 08-20 14:18 | 20m | -13 / - | DL5DQZ | - / 0 | 2 | ✓ Closing fragment |
| 08-20 14:09 | 20m | -8 / - | SP6AMI | - / 0 | 11 | Partial capture |
| 08-20 14:07 | 20m | - / - | CT7BDJ | -12 / - | 2 | Partial capture |
| 08-20 13:59 | 20m | -10 / - | EA5HM | - / -5 | 4 | Partial capture |
| 08-20 13:53 | 20m | -8 / -5 | R3KCW | +2 / -3 | 11 | ✓ Full exchange observed |
| 08-20 13:47 | 20m | -6 / - | SP6AMI | - / +8 | 6 | Partial capture |
| 08-20 13:42 | 20m | -18 / -13 | R5AV | -8 / +8 | 3 | ✓ Full exchange observed |
| 08-20 13:41 | 20m | -11 / - | EI3CTB | - / -20 | 2 | ✓ Closing fragment |
| 08-20 13:38 | 20m | -10 / - | G4YTW | - / -11 | 2 | ✓ Closing fragment |
| 08-07 15:34 | 40m | - / - | DK9BF | -15 / - | 4 | Partial capture |
| 08-07 15:06 | 20m | - / -20 | PD0RCQ | -20 / - | 3 | ✓ Closing fragment |
| 08-07 14:58 | 20m | -20 / -17 | PD1B | -18 / -12 | 12 | Partial capture |
| 08-07 14:47 | 20m | -21 / - | PD1ADA | - / -12 | 5 | Partial capture |
| 08-07 14:38 | 20m | - / - | PD0RCQ | -16 / - | 2 | Partial capture |
| 08-07 14:36 | 20m | - / -1 | IW2DNI | -8 / - | 3 | ✓ Closing fragment |
| 08-07 14:33 | 20m | -19 / -2 | F1PBZ | -1 / - | 4 | ✓ Full exchange observed |
| 08-07 14:27 | 20m | -20 / - | ON3MOH/P | - / -10 | 2 | Partial capture |
| 08-07 14:23 | 20m | - / -18 | ON3MOH/P | -17 / - | 2 | Partial capture |
| 07-31 14:21 | 20m | - / - | DL1NRC | -21 / - | 2 | Partial capture |
| 06-30 07:57 | 20m | +1 / - | DA0WWA | - / -4 | 3 | ✓ Closing fragment |
| 06-30 07:55 | 20m | - / -6 | OH5WWA | -5 / - | 2 | Partial capture |
| 06-30 07:50 | 20m | -6 / - | N9W | - / - | 2 | ✓ Closing fragment |
| 06-30 07:46 | 20m | -6 / - | CR2WWA | - / -6 | 3 | ✓ Closing fragment |
| 06-23 14:45 | 20m | -2 / - | 9A3TGY | - / - | 2 | Partial capture |
| 06-23 14:28 | 20m | -10 / - | R6DVV | - / -5 | 3 | Partial capture |
| 06-20 13:31 | 20m | -9 / -18 | SP2HXY | -2 / -9 | 7 | ✓ Full exchange observed |
| 06-20 13:26 | 20m | - / -23 | R2DDA | -6 / - | 2 | ✓ Closing fragment |
| 06-20 13:16 | 20m | - / - | DK5UP | -11 / - | 2 | Partial capture |
| 06-20 13:04 | 20m | -12 / - | OH4KRN | - / +5 | 8 | Partial capture |
| 06-20 12:58 | 20m | - / -9 | IZ5FSO | -15 / - | 2 | Partial capture |
| 06-20 12:37 | 20m | -11 / -15 | IK1MJK/P | -5 / - | 6 | ✓ Closing observed |
| 06-20 12:36 | 20m | - / -18 | UA9FLK | +13 / - | 3 | ✓ Closing fragment |
| 06-20 12:29 | 20m | -12 / - | DL1GOB | - / -17 | 2 | Partial capture |
| 06-20 12:13 | 20m | - / - | 9A1CCB | +5 / - | 2 | ✓ Closing fragment |
| 06-20 12:09 | 20m | -15 / - | SQ3BYH | - / -6 | 2 | Partial capture |
| 06-20 11:49 | 20m | - / -14 | R3BV | -8 / - | 2 | Partial capture |
| 06-20 11:31 | 20m | -12 / - | R3DCR | - / -18 | 2 | ✓ Closing fragment |
| 06-20 11:09 | 20m | -11 / - | OE3JMI | -16 / - | 3 | ✓ Closing observed |
| 06-20 10:54 | 20m | - / -10 | EA3RT | -8 / - | 2 | ✓ Closing fragment |
| 06-20 10:33 | 20m | - / -14 | DK5DW | -15 / - | 4 | ✓ Closing fragment |
| 06-20 10:09 | 20m | - / -8 | OZ9WRH | -3 / - | 2 | Partial capture |
| 06-20 09:51 | 20m | -14 / - | HA1ZW | - / - | 2 | Partial capture |
| 06-20 09:44 | 20m | -15 / - | SP6CJE | - / 0 | 3 | Partial capture |
| 06-19 14:57 | 20m | -12 / - | VE7TOM | - / -11 | 4 | ✓ Closing fragment |
| 06-19 14:51 | 20m | -11 / - | BD5CAM | - / - | 8 | Partial capture |
| 06-19 14:18 | 20m | -8 / - | ON1AEY | -7 / -2 | 10 | Partial capture |
| 06-19 14:15 | 20m | -2 / - | MM7JYS | - / +1 | 2 | ✓ Closing fragment |
| 06-19 14:12 | 20m | -12 / -7 | F8VNU | +8 / - | 5 | ✓ Full exchange observed |
| 06-19 14:03 | 20m | -11 / - | AP2TN | - / - | 10 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 141530 -14 1813 CQ ON3YDM JO21 (x5) 141800 -16 1813 DL5DQZ ON3YDM +00 (x2) 141900 -12 1813 CQ ON3YDM JO21 (x3) 142215 -6 2182 ON3YDM R0AX 73 142300 -5 1813 CQ ON3YDM JO21 142315 -7 1347 ON3YDM UA4CQS LO42 (x3)
UTC dB Audio Message 075915 -9 681 ON3YDM IK4YHJ R-05 074300 -10 656 ON3YDM SQ1MNG JO72 153430 -15 1875 ON3YDM DK9BF JO42 (x4) 154245 -19 1100 ON3YDM 9A7BB R-04
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.