JA5SUD — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JA5SUD, decoded by SO8OO in southeastern Poland. 167 related FT8 messages, 8 CQ messages, observed on 20m, across 4 UTC dates. Heard between 2026-07-31 and 2026-08-22.
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 JA5SUD worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by JA5SUD
Approximate centre of PM74, decoded 2026-08-22 15:12 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 | JA5SUD S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 15:13 | 20m | - / - | UA6EU | -10 / - | 2 | Partial capture |
| 08-22 15:11 | 20m | -24 / - | UB6OCP | 0 / - | 2 | ✓ Closing observed |
| 08-22 15:10 | 20m | - / - | DF0W | +8 / - | 2 | Partial capture |
| 08-22 15:09 | 20m | - / - | UA6EU | -8 / - | 2 | Partial capture |
| 08-22 15:03 | 20m | - / +1 | R4HHN | -20 / - | 2 | ✓ Closing fragment |
| 08-22 15:02 | 20m | -14 / - | AD6DL | - / - | 2 | Partial capture |
| 08-22 14:58 | 20m | - / -13 | RW4Z | 0 / - | 6 | Partial capture |
| 08-21 17:49 | 20m | - / -7 | IS0LYN | -17 / - | 5 | ✓ Closing fragment |
| 08-21 17:48 | 20m | -12 / -13 | ON5GQ | +7 / - | 3 | ✓ Closing observed |
| 08-21 17:46 | 20m | -14 / - | A61FJ | - / -10 | 2 | ✓ Closing fragment |
| 08-21 17:43 | 20m | - / - | DL7GAL | +6 / - | 3 | Partial capture |
| 08-21 17:41 | 20m | -15 / - | PD3LKN | -20 / -15 | 5 | Partial capture |
| 08-21 17:41 | 20m | - / - | YT1DDL | -16 / - | 2 | Partial capture |
| 08-21 17:36 | 20m | -1 / - | TN8GD | - / -14 | 4 | ✓ Closing fragment |
| 08-21 17:34 | 20m | -3 / - | YL3KZ | -19 / -10 | 3 | Partial capture |
| 08-21 17:33 | 20m | -9 / - | IZ7BAR | -5 / -12 | 2 | Partial capture |
| 08-21 17:33 | 20m | - / - | VU2FR | -13 / - | 3 | Partial capture |
| 08-21 17:29 | 20m | -3 / - | SP9LS | - / -10 | 3 | ✓ Closing fragment |
| 08-21 17:25 | 20m | +2 / -2 | DH2RL | +9 / -12 | 6 | ✓ Full exchange observed |
| 08-21 17:25 | 20m | - / - | M9KBN | -6 / - | 2 | Partial capture |
| 08-21 17:20 | 20m | 0 / - | DL4JG | -4 / -16 | 3 | ✓ Closing observed |
| 08-21 17:19 | 20m | 0 / -9 | CR7BRV | +7 / -7 | 8 | ✓ Full exchange observed |
| 08-21 17:18 | 20m | 0 / - | SP5MXY | - / -15 | 3 | Partial capture |
| 08-21 17:16 | 20m | +1 / -3 | US5HL | -6 / -12 | 6 | ✓ Full exchange observed |
| 08-21 17:15 | 20m | 0 / -1 | OM2BH | -9 / - | 7 | ✓ Closing observed |
| 08-21 17:15 | 20m | 0 / - | IU4PPL | -18 / -14 | 5 | ✓ Full exchange observed |
| 08-21 17:14 | 20m | -4 / - | EW1MN | - / -4 | 2 | ✓ Closing fragment |
| 08-21 17:13 | 20m | -2 / - | OK1UG | -4 / -9 | 4 | ✓ Full exchange observed |
| 08-21 17:12 | 20m | -4 / - | RX7T | - / -14 | 2 | ✓ Closing fragment |
| 08-21 17:11 | 20m | - / - | DM5UA | -22 / - | 2 | Partial capture |
| 08-21 17:10 | 20m | - / 0 | US5HL | +8 / - | 2 | Partial capture |
| 08-21 17:09 | 20m | 0 / - | IU0AFP | - / -12 | 2 | Partial capture |
| 08-21 17:08 | 20m | -2 / - | F5GNR | - / -18 | 2 | Partial capture |
| 08-21 17:06 | 20m | -5 / - | 7X2KF | - / -13 | 3 | ✓ Closing fragment |
| 08-21 17:05 | 20m | -2 / - | RU4D | - / -12 | 2 | ✓ Closing fragment |
| 08-21 17:04 | 20m | - / - | CU3AC | -12 / - | 3 | Partial capture |
| 08-21 17:04 | 20m | +2 / - | OG2KAJ | - / -16 | 2 | ✓ Closing fragment |
| 08-21 17:04 | 20m | - / - | YU1OTW | -12 / - | 2 | Partial capture |
| 08-21 17:02 | 20m | 0 / +1 | DL1UDO | -4 / -12 | 5 | ✓ Full exchange observed |
| 08-21 17:02 | 20m | - / -5 | TA2ED | +2 / - | 3 | Partial capture |
| 08-21 17:01 | 20m | 0 / - | R1BDX | - / -9 | 2 | ✓ Closing fragment |
| 08-21 17:01 | 20m | - / - | DL5KMR | -10 / - | 8 | Partial capture |
| 08-21 16:59 | 20m | 0 / -17 | UN9PQ | -10 / -7 | 4 | ✓ Full exchange observed |
| 08-21 16:58 | 20m | 0 / +4 | PA2EW | +5 / -10 | 5 | ✓ Full exchange observed |
| 08-21 16:56 | 20m | 0 / -1 | PD0RDD | -4 / -13 | 4 | ✓ Full exchange observed |
| 08-21 16:56 | 20m | 0 / +2 | EA4GG | -7 / -11 | 6 | ✓ Full exchange observed |
| 08-21 16:54 | 20m | -5 / - | BA4II | - / -8 | 2 | ✓ Closing fragment |
| 08-21 16:53 | 20m | -6 / - | ES0IA | - / -2 | 2 | ✓ Closing fragment |
| 08-21 16:50 | 20m | -2 / - | <...> | - / -17 | 5 | Partial capture |
| 08-14 14:22 | 20m | - / - | DL9KM | -20 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 150330 -23 1178 JA5SUD R4HHN +01 (x2) 150445 -15 2503 BH9AXP JA5SUD PM74 150930 -8 1060 JA5SUD UA6EU LN14 150945 -14 1895 CQ JA5SUD PM74 151000 +5 2504 JA5SUD DF0W JO42 151000 -15 275 JA5SUD CT1DTM -16 151000 -9 1059 JA5SUD UA6EU LN14 151015 -20 1896 BA4VDC JA5SUD -01 151030 +12 2504 JA5SUD DF0W JO42 151100 +0 2187 JA5SUD UB6OCP KN88 151145 -24 1895 UB6OCP JA5SUD RR73 151245 -20 1896 CQ JA5SUD PM74 151300 -11 1059 JA5SUD UA6EU LN14 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.