9H4JX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 9H4JX, decoded by SO8OO in southeastern Poland. 1,736 related FT8 messages, 291 CQ messages, observed on 40m, 20m, 10m, across 28 UTC dates. Heard between 2026-05-27 and 2026-08-23.
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 9H4JX worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 9H4JX
Approximate centre of JM76, decoded 2026-08-23 07:21 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 | 9H4JX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 07:21 | 20m | -20 / - | DL1R | +4 / -6 | 11 | Partial capture |
| 08-23 07:20 | 20m | -14 / - | R8AHM | - / -11 | 2 | ✓ Closing fragment |
| 08-23 07:18 | 20m | -16 / +2 | F4AYI | +20 / +9 | 4 | ✓ Full exchange observed |
| 08-23 07:17 | 20m | -12 / - | R3MBV | -5 / -6 | 3 | ✓ Closing observed |
| 08-23 07:16 | 20m | -12 / - | EA7BD | -20 / -18 | 4 | ✓ Closing observed |
| 08-23 07:13 | 20m | - / - | DB1HEF | -15 / - | 3 | Partial capture |
| 08-23 07:13 | 20m | -12 / - | DL2WJT | -5 / -2 | 2 | Partial capture |
| 08-23 07:11 | 20m | -13 / - | SP9SOS | - / -9 | 2 | ✓ Closing fragment |
| 08-23 07:10 | 20m | - / - | M0IOW | -19 / - | 5 | Partial capture |
| 08-23 07:09 | 20m | -11 / - | HA8EB | - / +1 | 4 | ✓ Closing fragment |
| 08-23 07:06 | 20m | -13 / - | DB5FW | +7 / -8 | 3 | ✓ Closing observed |
| 08-23 07:03 | 20m | -5 / - | EA7LHK | - / -7 | 3 | Partial capture |
| 08-23 07:02 | 20m | -8 / - | DL1SBE | -13 / -10 | 5 | ✓ Closing observed |
| 08-23 07:01 | 20m | -7 / - | OE9RRI | -11 / -8 | 3 | ✓ Closing observed |
| 08-23 06:58 | 20m | -6 / - | EB5RCA | -23 / -18 | 3 | ✓ Closing observed |
| 08-23 06:54 | 20m | -8 / - | IU5TUG | -5 / -2 | 2 | Partial capture |
| 08-23 06:54 | 20m | -9 / -9 | PD0KS | -10 / - | 6 | ✓ Closing observed |
| 08-23 06:52 | 20m | -6 / -23 | IK1JUS | -3 / -6 | 4 | ✓ Full exchange observed |
| 08-23 06:51 | 20m | -6 / - | IW5ALZ | - / -22 | 2 | Partial capture |
| 08-23 06:50 | 20m | - / - | SA5IYA | -8 / - | 2 | Partial capture |
| 08-23 06:49 | 20m | - / 0 | DK1AN | +2 / - | 3 | Partial capture |
| 08-23 06:46 | 20m | -9 / -10 | F1PBZ | 0 / +7 | 3 | ✓ Full exchange observed |
| 08-23 06:46 | 20m | - / -11 | PD1AG | -8 / - | 2 | Partial capture |
| 08-23 06:46 | 20m | -16 / - | RZ4FWA | -11 / -11 | 4 | Partial capture |
| 08-21 13:40 | 10m | - / - | DO1FZL | -8 / - | 4 | Partial capture |
| 08-21 13:39 | 10m | - / - | DL1FUG | -4 / - | 6 | Partial capture |
| 08-21 13:28 | 10m | - / -18 | DL1AN | +5 / - | 3 | Partial capture |
| 08-21 13:17 | 10m | - / - | DN9DKN | -7 / - | 4 | Partial capture |
| 08-20 08:06 | 10m | - / +4 | I4BMJ | -20 / - | 2 | ✓ Closing fragment |
| 08-20 07:52 | 20m | -18 / -9 | HB9IBA | -9 / 0 | 3 | Partial capture |
| 08-20 07:49 | 20m | -8 / - | IK1MAP | - / -6 | 2 | Partial capture |
| 08-20 07:47 | 20m | - / - | EA7AAF | -4 / - | 2 | Partial capture |
| 08-20 07:44 | 20m | - / -4 | F4MSA | -11 / - | 3 | ✓ Closing fragment |
| 08-20 07:27 | 20m | - / - | DL3RSK | -16 / - | 2 | Partial capture |
| 08-20 07:23 | 20m | -13 / -8 | OH1ZE | -15 / - | 2 | ✓ Closing observed |
| 08-20 07:15 | 20m | - / -16 | DL4IAZ | 0 / - | 3 | Partial capture |
| 08-19 12:46 | 10m | - / -11 | S52NY | -18 / - | 2 | ✓ Closing fragment |
| 08-16 11:35 | 10m | - / -18 | DO1OAS | -9 / - | 2 | Partial capture |
| 08-16 11:24 | 10m | - / -13 | DG8DQ | -9 / - | 10 | Partial capture |
| 08-16 11:22 | 10m | - / -15 | DL9ATW | -13 / - | 4 | Partial capture |
| 08-16 11:17 | 10m | - / -16 | PE1MHY | -13 / - | 5 | Partial capture |
| 08-16 11:04 | 10m | - / -1 | DL7HSD | -5 / - | 5 | Partial capture |
| 08-16 10:50 | 10m | - / -11 | F4GYM | -8 / - | 3 | ✓ Closing fragment |
| 08-02 08:23 | 10m | - / -3 | SP8MO | -8 / - | 3 | ✓ Closing fragment |
| 08-02 04:51 | 20m | -20 / - | DG0JK | - / +2 | 2 | ✓ Closing fragment |
| 08-02 04:36 | 40m | - / -3 | DF8RU | -7 / - | 7 | ✓ Closing fragment |
| 08-02 04:33 | 40m | - / - | RC2DD | -22 / - | 2 | Partial capture |
| 08-02 04:31 | 40m | - / -8 | DH1BAS | -9 / - | 2 | Partial capture |
| 08-01 19:19 | 20m | - / - | IV3DSG | -20 / - | 2 | Partial capture |
| 08-01 19:18 | 40m | - / -16 | DL2VAH | -4 / - | 8 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 072030 -13 2013 R8AHM 9H4JX RR73 072100 -22 2013 CQ 9H4JX JM76 (x2) 072145 +5 2659 9H4JX DL1R JN58 072200 -24 2013 OE6BHD 9H4JX -06 072215 +2 2660 9H4JX DL1R JN58 (x2) 072300 -15 2013 DL1R 9H4JX -06 072315 +4 2660 9H4JX DL1R JN58 072330 -24 2012 DL1R 9H4JX -06 072345 +3 2659 9H4JX DL1R JN58 (x5)
UTC dB Audio Message 131915 -6 616 9H4JX DN9DKN JO31 132530 +5 1841 9H4JX DL1AN JN49 (x4) 133945 -3 458 9H4JX DL1FUG JO40 (x3) 134045 -8 1840 9H4JX DO1FZL JO50 134115 -4 458 9H4JX DL1FUG JO40 134115 -9 1840 9H4JX DO1FZL JO50 134145 -3 458 9H4JX DL1FUG JO40 134145 -9 1840 9H4JX DO1FZL JO50 (x2) 134245 -3 458 9H4JX DL1FUG JO40
UTC dB Audio Message 192115 -3 373 9H4JX DL2VAH JO71 (x3) 043115 -9 1879 9H4JX DH1BAS JO43 (x2) 043345 -23 1876 9H4JX RC2DD KO85 043415 -18 1448 9H4JX SP9AMH RR73 043415 -22 1875 9H4JX RC2DD KO85 043615 -7 1534 9H4JX DF8RU JN68 (x7)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.