DO9USB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DO9USB, decoded by SO8OO in southeastern Poland. 190 related FT8 messages, 1 CQ messages, observed on 80m, 10m, across 29 UTC dates. Heard between 2026-05-25 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 DO9USB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by DO9USB
Approximate centre of JO31, decoded 2026-08-17 20:09 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 | DO9USB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 17:59 | 80m | -24 / -8 | DO7RMA | +9 / - | 3 | ✓ Closing observed |
| 08-17 20:05 | 80m | -15 / -16 | SP3GTP | +4 / -5 | 5 | ✓ Full exchange observed |
| 08-17 20:02 | 80m | - / -4 | PE1NAO | -12 / - | 2 | ✓ Closing fragment |
| 08-17 19:52 | 80m | -15 / -12 | IQ4JO | 0 / -7 | 4 | ✓ Full exchange observed |
| 08-17 17:52 | 80m | - / -5 | DO5HOK | -8 / - | 2 | Partial capture |
| 08-08 19:06 | 80m | -19 / -6 | PB1PCH | -7 / - | 5 | ✓ Full exchange observed |
| 08-08 18:23 | 80m | - / -4 | 5P5Z | +4 / - | 2 | ✓ Closing fragment |
| 08-06 18:34 | 80m | -19 / -1 | ON5RJ | -10 / - | 4 | Partial capture |
| 08-06 18:29 | 80m | - / -15 | DL6UM | -1 / - | 5 | ✓ Closing fragment |
| 08-05 17:42 | 80m | - / - | F5RRS | -10 / - | 5 | Partial capture |
| 07-28 18:40 | 80m | -24 / -2 | DB100FT | -8 / -4 | 2 | Partial capture |
| 07-24 14:18 | 10m | - / -2 | IK4JPP | -16 / - | 2 | Partial capture |
| 07-24 14:17 | 10m | -16 / - | I1FLC | - / -6 | 2 | ✓ Closing fragment |
| 07-24 14:13 | 10m | -14 / - | OH1NHX | - / -1 | 4 | Partial capture |
| 07-24 14:12 | 10m | -12 / - | PD00DOG | - / - | 2 | Partial capture |
| 07-22 18:23 | 80m | -9 / -1 | DD0AM | -15 / -19 | 40 | ✓ Full exchange observed |
| 07-22 18:05 | 80m | - / -1 | DD0AM | -13 / - | 22 | Partial capture |
| 07-22 17:55 | 80m | - / -1 | DD0AM | -15 / - | 5 | Partial capture |
| 07-22 17:50 | 80m | - / -1 | DD0AM | -15 / - | 3 | Partial capture |
| 07-22 17:38 | 80m | - / -1 | DD0AM | -8 / - | 7 | Partial capture |
| 07-22 17:25 | 80m | - / -1 | DD0AM | -7 / - | 6 | Partial capture |
| 07-19 19:28 | 80m | - / - | DL7ACN | -14 / - | 2 | ✓ Closing fragment |
| 07-19 18:20 | 80m | - / -17 | DK7ZT | -8 / - | 5 | Partial capture |
| 07-15 18:22 | 80m | -17 / -17 | M0UOO | -13 / - | 5 | Partial capture |
| 07-14 18:52 | 80m | - / - | DH1DAC | -11 / - | 5 | Partial capture |
| 07-12 19:11 | 80m | -24 / -3 | DF3IS | -12 / - | 3 | ✓ Closing observed |
| 07-12 19:07 | 80m | -19 / -7 | DO3HUM | 0 / -6 | 5 | ✓ Full exchange observed |
| 07-12 18:21 | 80m | - / -13 | SP9KKA | +15 / - | 3 | ✓ Closing fragment |
| 07-08 18:54 | 80m | - / -7 | DL0SOP | -8 / - | 2 | ✓ Closing fragment |
| 07-07 18:35 | 80m | - / - | SP6FME | +6 / - | 2 | Partial capture |
| 07-07 14:11 | 10m | -20 / - | SP9LS | - / +6 | 2 | Partial capture |
| 07-06 17:06 | 10m | -19 / - | 9A2GU | - / -18 | 2 | Partial capture |
| 07-06 17:03 | 10m | -14 / - | LZ3CB | - / - | 3 | Partial capture |
| 07-06 16:50 | 10m | -18 / - | UX2SB | - / +1 | 3 | ✓ Closing fragment |
| 06-29 18:23 | 80m | - / -4 | DL7FCB | -11 / - | 8 | Partial capture |
| 06-20 14:57 | 10m | - / -6 | IQ6PE | -2 / - | 3 | ✓ Closing fragment |
| 06-16 18:35 | 80m | -18 / -17 | LA2GCA | -22 / - | 2 | Partial capture |
| 06-16 18:14 | 80m | -20 / -5 | DA1E | -12 / - | 4 | ✓ Closing observed |
| 06-15 18:50 | 80m | - / -6 | SQ9PCO | +10 / - | 2 | ✓ Closing fragment |
| 06-14 18:15 | 80m | -13 / -1 | DK7ZT | -5 / - | 5 | ✓ Closing observed |
| 06-13 17:52 | 80m | - / -14 | SP3CMX | -18 / - | 2 | ✓ Closing fragment |
| 06-10 18:55 | 80m | - / -3 | DO7RMA | -12 / - | 2 | ✓ Closing fragment |
| 06-10 18:42 | 80m | - / -5 | DO9KB | 0 / - | 2 | ✓ Closing fragment |
| 06-10 18:11 | 10m | -10 / - | PU2BRU | - / - | 2 | Partial capture |
| 06-08 17:06 | 10m | -4 / - | <...> | - / - | 2 | Partial capture |
| 06-08 17:05 | 10m | - / -18 | A41ZZ | -12 / - | 2 | Partial capture |
| 06-06 17:57 | 80m | - / - | OE8PPL | -2 / - | 2 | ✓ Closing fragment |
| 06-04 09:31 | 10m | - / - | IZ4JMA | +8 / - | 2 | Partial capture |
| 06-03 18:22 | 80m | - / -20 | IV3FSG | -1 / - | 2 | ✓ Closing fragment |
| 06-03 18:08 | 80m | - / -18 | OM1II | -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 195600 -16 1194 SV2HTW DO9USB JO31 200215 -13 1359 DO9USB PE1NAO -04 (x2) 200545 -14 923 SP3GTP DO9USB JO31 200600 +2 923 DO9USB SP3GTP -16 200615 -16 923 SP3GTP DO9USB R-05 200630 +5 923 DO9USB SP3GTP RR73 200645 -14 923 SP3GTP DO9USB 73 200915 -19 2131 RX4SA DO9USB JO31 173815 -10 1598 DO9USB DO7RMA -04 175100 -13 699 DO9USB DK5OPA 73 061145 -14 2005 DO9USB DA6BOC -21 175900 +8 1909 DO9USB DO7RMA -08 (x2) 175945 -24 1909 DO7RMA DO9USB 73
UTC dB Audio Message 145945 -15 1595 VE1JBC DO9USB JO31 171645 -11 1150 PP2RR DO9USB JO31 172445 -11 791 IT9ACJ DO9USB JO31 172845 -13 1631 EA5UI DO9USB JO31 141200 -11 1249 PD00DOG DO9USB JO31 (x2) 141345 -15 1312 OH1NHX DO9USB JO31 (x4) 141715 -13 1312 I1FLC DO9USB R-06 (x2) 141800 -13 2026 DO9USB IK4JPP -02 (x2) 185300 -19 1737 CX5ABM DO9USB JO31
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.