HB9ISF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving HB9ISF, decoded by SO8OO in southeastern Poland. 87 related FT8 messages, observed on 80m, 40m, 20m, across 10 UTC dates. Heard between 2026-05-14 and 2026-07-04.
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 HB9ISF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by HB9ISF
Approximate centre of JN46, decoded 2026-08-23 20:55 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 | HB9ISF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:55 | 20m | +5 / - | RD0L | - / -16 | 5 | ✓ Closing fragment |
| 08-23 20:48 | 20m | 0 / - | KD2YCK | - / - | 6 | Partial capture |
| 07-22 15:42 | 20m | -7 / - | SP9D | - / +7 | 2 | Partial capture |
| 07-22 15:38 | 20m | -10 / - | ES7GN | - / -14 | 6 | ✓ Closing fragment |
| 07-21 20:44 | 20m | -7 / - | K2ZJ | - / - | 2 | Partial capture |
| 07-21 14:56 | 20m | -12 / - | LU3HFS | - / - | 6 | Partial capture |
| 07-20 19:54 | 40m | -11 / - | BD4XGP | - / - | 2 | Partial capture |
| 07-05 13:55 | 20m | -12 / - | CR2WWA | - / - | 3 | Partial capture |
| 07-04 23:18 | 80m | -1 / +5 | II7WWA | -6 / -1 | 5 | ✓ Full exchange observed |
| 07-04 23:12 | 80m | +1 / +2 | LA1WWA | -2 / -7 | 5 | ✓ Full exchange observed |
| 07-04 23:10 | 80m | +10 / -2 | TM8WWA | -20 / - | 2 | Partial capture |
| 07-04 23:09 | 80m | +5 / -12 | SN0WWA | -15 / -6 | 3 | Partial capture |
| 07-04 23:07 | 80m | 0 / +2 | OH5WWA | +6 / -6 | 4 | ✓ Full exchange observed |
| 07-03 16:41 | 20m | -2 / -8 | LA1WWA | +7 / -8 | 4 | ✓ Full exchange observed |
| 06-30 14:45 | 20m | -14 / - | 9M8WWA | - / - | 3 | Partial capture |
| 06-30 14:42 | 20m | -14 / - | TM2WWA | - / - | 3 | Partial capture |
| 06-30 14:40 | 20m | -18 / - | SD9WWA | - / -10 | 2 | ✓ Closing fragment |
| 06-30 13:55 | 20m | -12 / - | TM2WWA | - / - | 4 | Partial capture |
| 06-29 07:42 | 20m | - / - | 9A4ZM | -6 / - | 2 | Partial capture |
| 06-29 07:38 | 20m | - / +9 | II7WWA | -20 / - | 2 | ✓ Closing fragment |
| 06-29 07:37 | 20m | -13 / - | II9WWA | -8 / - | 3 | Partial capture |
| 06-18 08:34 | 20m | - / -17 | R0AX | -5 / - | 3 | ✓ Closing fragment |
| 06-05 22:32 | 20m | -12 / - | CE4HG | - / -13 | 2 | ✓ Closing fragment |
| 06-05 22:14 | 40m | +1 / - | PY5AL | - / - | 2 | Partial capture |
| 06-05 21:28 | 20m | -20 / - | WB5XX | - / - | 2 | Partial capture |
| 06-05 21:09 | 20m | - / -1 | K2LNS | -2 / - | 2 | ✓ Closing fragment |
| 06-05 21:07 | 20m | -8 / - | K8BL | - / - | 2 | Partial capture |
| 06-05 20:54 | 20m | - / -1 | EA1IOK | -8 / - | 2 | ✓ Closing fragment |
| 06-05 20:50 | 20m | - / -3 | WB2BIN | -17 / - | 3 | ✓ Closing fragment |
| 06-05 20:36 | 20m | - / - | BG4UVR | -6 / - | 3 | Partial capture |
| 06-05 20:36 | 20m | -2 / +1 | BH4HGH | -6 / -15 | 4 | Partial capture |
| 06-05 20:35 | 20m | -1 / - | ZL1VAH | - / - | 3 | ✓ Closing fragment |
| 06-05 20:31 | 20m | -6 / -24 | W9DHI | -14 / -19 | 3 | ✓ Full exchange observed |
| 06-05 20:17 | 20m | -6 / -5 | BG7BMG | -9 / - | 3 | ✓ Closing observed |
| 05-27 21:25 | 20m | -15 / -15 | K2TQC | -10 / - | 3 | ✓ Closing observed |
| 05-27 21:21 | 20m | - / - | BG4UVR | -12 / - | 4 | Partial capture |
| 05-27 21:20 | 20m | -14 / - | JA4JKO | - / -17 | 2 | ✓ Closing fragment |
| 05-27 21:16 | 20m | -14 / -24 | KB1EFS | -4 / -17 | 4 | ✓ Full exchange observed |
| 05-27 20:53 | 20m | -13 / - | KJ4QVJ | - / - | 3 | Partial capture |
| 05-27 20:35 | 20m | - / -14 | K4CAE | -20 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 154245 -8 1475 SP9D HB9ISF +07 (x2) 204830 -2 1476 KD2YCK HB9ISF JN46 (x6) 205200 +2 1391 AC8RJ HB9ISF JN46 205300 +5 2218 BU2FW HB9ISF JN46 205500 +7 1161 RD0L HB9ISF JN46 (x5)
UTC dB Audio Message 221400 +1 1360 PY5AL HB9ISF JN46 (x2) 202615 -11 773 TM8WWA HB9ISF JN46 223100 -20 1349 HB9ISF EG4WWA RR73 223930 -5 987 HB9ISF GB2WWA RR73 195430 -11 1789 BD4XGP HB9ISF JN46 (x2) 231830 -19 1703 PP5GP HB9ISF JN46
UTC dB Audio Message 230945 +6 1141 SN0WWA HB9ISF R-06 231045 -20 592 HB9ISF TM8WWA -02 231100 +10 593 TM8WWA HB9ISF JN46 231215 -3 2296 LA1WWA HB9ISF JN46 231230 -1 2297 HB9ISF LA1WWA +02 231245 +2 2297 LA1WWA HB9ISF R-07 231300 -2 2297 HB9ISF LA1WWA RR73 231315 +4 2297 LA1WWA HB9ISF 73 231600 +7 1543 HB9ISF SN4WWA +07 231630 +12 1543 HB9ISF RR73; DO2PY <...> -08 231815 -3 1933 II7WWA HB9ISF JN46 231830 -2 1933 HB9ISF II7WWA +05 231845 +1 1932 II7WWA HB9ISF R-01 231900 -9 1933 HB9ISF II7WWA RR73 231915 -1 1933 II7WWA HB9ISF 73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.