KB4SYV — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving KB4SYV, decoded by SO8OO in southeastern Poland. 272 related FT8 messages, 9 CQ messages, observed on 80m, 40m, 20m, across 31 UTC dates. Heard between 2026-05-26 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 KB4SYV worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by KB4SYV
Approximate centre of EM74, decoded 2026-08-24 01:08 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 | KB4SYV S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 01:10 | 40m | - / -11 | DL1UDO | -7 / - | 7 | Partial capture |
| 08-24 01:09 | 40m | - / - | DH5BM | -11 / - | 4 | Partial capture |
| 08-24 01:01 | 40m | -11 / -7 | F1PBZ | -4 / -11 | 9 | ✓ Full exchange observed |
| 08-24 01:00 | 40m | - / - | F4BYA | +11 / - | 6 | Partial capture |
| 08-24 00:35 | 40m | - / -10 | F5HNQ | -2 / - | 3 | ✓ Closing fragment |
| 08-24 00:35 | 40m | - / - | IK4LZH | +12 / - | 4 | Partial capture |
| 08-23 02:07 | 20m | -12 / - | IS0KNG | - / - | 2 | Partial capture |
| 08-23 02:04 | 20m | -12 / - | NL7D | - / - | 2 | Partial capture |
| 08-23 01:57 | 20m | - / - | F4BYA | +4 / - | 4 | Partial capture |
| 08-23 00:58 | 20m | - / -11 | DK9ZQ | +6 / - | 7 | ✓ Closing fragment |
| 08-23 00:53 | 20m | - / -14 | 8Z1IT | -7 / - | 2 | ✓ Closing fragment |
| 08-23 00:12 | 20m | -17 / - | AB7XX | - / - | 2 | Partial capture |
| 08-23 00:05 | 80m | - / -11 | SQ9DJQ | +16 / - | 6 | Partial capture |
| 08-22 23:58 | 20m | - / - | IK4LZH | +1 / - | 4 | Partial capture |
| 08-22 23:54 | 20m | - / -13 | F4VTR | +6 / - | 5 | Partial capture |
| 08-22 23:53 | 20m | - / - | F1IQH | -13 / - | 2 | Partial capture |
| 08-22 01:06 | 20m | - / - | DL3MIB | +9 / - | 7 | Partial capture |
| 08-22 00:17 | 20m | - / -19 | DL3MIB | +2 / - | 22 | Partial capture |
| 08-22 00:17 | 20m | - / - | PD0RCQ | -6 / - | 3 | ✓ Closing fragment |
| 08-20 23:39 | 20m | - / -14 | YV6BXN | -7 / - | 2 | ✓ Closing fragment |
| 08-19 00:48 | 40m | - / - | F1IQH | -8 / - | 4 | Partial capture |
| 08-19 00:46 | 40m | - / -6 | F1PBZ | -6 / - | 3 | Partial capture |
| 08-10 23:57 | 20m | - / -12 | SV5BYP | -13 / - | 5 | ✓ Closing fragment |
| 08-10 00:51 | 40m | - / -11 | UR1CCT | +8 / - | 2 | ✓ Closing fragment |
| 08-10 00:45 | 40m | - / -1 | G5TV | -17 / - | 10 | ✓ Closing fragment |
| 08-10 00:43 | 20m | - / -18 | SV2AOB | -14 / - | 2 | Partial capture |
| 08-09 00:42 | 40m | - / -4 | EA3AAY | -13 / - | 4 | ✓ Closing fragment |
| 08-09 00:36 | 40m | - / -12 | F1PBZ | -4 / - | 2 | Partial capture |
| 08-09 00:22 | 40m | - / -16 | IU0NAD | -7 / - | 5 | ✓ Closing fragment |
| 08-08 01:56 | 40m | - / - | PD1HBL | -10 / - | 2 | Partial capture |
| 08-08 01:54 | 40m | - / - | UA3DIB | +1 / - | 2 | Partial capture |
| 08-07 22:21 | 20m | - / -5 | DF1BN | 0 / - | 5 | ✓ Closing fragment |
| 08-07 22:21 | 20m | - / -11 | PA7Q | -8 / - | 3 | ✓ Closing fragment |
| 08-07 22:19 | 20m | - / - | EA5JNN | -18 / - | 2 | Partial capture |
| 08-07 02:34 | 20m | - / - | DL3MIB | -7 / - | 5 | Partial capture |
| 08-07 01:41 | 20m | - / - | DL1R | +4 / - | 8 | Partial capture |
| 08-07 00:35 | 40m | - / - | F8NHF | -11 / - | 6 | Partial capture |
| 08-04 23:08 | 20m | - / - | E70SZ | -5 / - | 4 | Partial capture |
| 07-31 01:31 | 40m | - / -18 | A71XX | -8 / - | 2 | ✓ Closing fragment |
| 07-30 02:16 | 40m | - / -15 | F1PBZ | -6 / - | 2 | Partial capture |
| 07-30 02:16 | 40m | - / - | R2AL | -8 / - | 4 | Partial capture |
| 07-23 02:13 | 40m | - / - | OH1EDK | -1 / - | 5 | Partial capture |
| 07-23 02:12 | 40m | - / - | F1IQH | -9 / - | 2 | Partial capture |
| 07-23 02:02 | 40m | - / - | DG4SCG | -21 / - | 2 | Partial capture |
| 07-23 02:02 | 40m | - / - | OH1EDK | 0 / - | 5 | Partial capture |
| 07-23 02:02 | 40m | - / - | OH1MRE | +2 / - | 3 | Partial capture |
| 07-23 02:01 | 40m | - / -14 | S55DX | -13 / - | 3 | Partial capture |
| 07-23 01:48 | 20m | - / -7 | F1PBZ | -6 / - | 2 | Partial capture |
| 07-20 20:02 | 20m | - / -14 | CT1BFP | -16 / - | 3 | Partial capture |
| 07-18 23:59 | 20m | - / -2 | WV2B | -8 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 010530 -11 749 F1PBZ KB4SYV R-11 010545 -5 2343 KB4SYV F1PBZ RR73 010615 -17 2731 KB4SYV MI7XHT IO64 010845 -11 549 CQ KB4SYV EM74 a1 010900 -14 550 KB4SYV DH5BM JO41 (x2) 011000 -10 1392 KB4SYV DL1UDO JO31 011030 -10 550 KB4SYV DH5BM JO41 011030 -8 1392 KB4SYV DL1UDO JO31 (x2) 011100 -8 550 KB4SYV DH5BM JO41 011130 -2 1392 KB4SYV DL1UDO R-11 (x4)
UTC dB Audio Message 010415 -17 2317 KB4SYV KC1MJP R-10 010545 -8 1177 KB4SYV F4MZI -16 010630 -18 1031 AA6MK KB4SYV RR73 015700 -13 566 CQ KB4SYV EM74 a1 015715 +4 2881 KB4SYV F4BYA JN19 (x4) 015900 -15 566 W0OVX KB4SYV -08 020430 -12 426 NL7D KB4SYV EM74 (x2) 020730 -12 426 IS0KNG KB4SYV EM74 (x2) 001345 -10 789 KB4SYV CE1JS FG46 001615 -7 2751 KB4SYV AO5FSB +02
UTC dB Audio Message 000545 +10 2591 KB4SYV SQ9DJQ -11 (x6)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.