YU4SPA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YU4SPA, decoded by SO8OO in southeastern Poland. 342 related FT8 messages, 89 CQ messages, observed on 80m, 40m, 20m, 10m, across 27 UTC dates. Heard between 2026-04-24 and 2026-06-09.
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 YU4SPA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YU4SPA
Approximate centre of KN04, decoded 2026-06-09 04:52 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 | YU4SPA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 06-09 04:53 | 40m | -3 / - | PD0RCQ | - / -13 | 2 | Partial capture |
| 06-05 05:18 | 40m | - / - | LZ2SPD | -2 / - | 2 | Partial capture |
| 06-05 05:16 | 40m | +5 / - | M9PMB | - / -22 | 4 | Partial capture |
| 06-05 05:12 | 40m | +4 / - | F1IQH | - / 0 | 3 | Partial capture |
| 06-05 05:10 | 40m | +6 / -5 | OE8RPK | -12 / -1 | 6 | ✓ Full exchange observed |
| 06-05 05:08 | 40m | +6 / 0 | EU6KA | -11 / -1 | 6 | ✓ Full exchange observed |
| 06-05 05:02 | 20m | - / -11 | F9DK | -16 / - | 2 | ✓ Closing fragment |
| 06-05 04:41 | 20m | - / - | RC9WC | -12 / - | 3 | ✓ Closing fragment |
| 06-05 04:37 | 20m | - / -12 | RC9WC | -12 / - | 3 | ✓ Closing fragment |
| 06-05 04:24 | 40m | -4 / - | IW5BLT | - / -1 | 2 | Partial capture |
| 06-03 18:49 | 20m | -19 / -15 | IS0YHV | -20 / -9 | 3 | ✓ Full exchange observed |
| 06-03 18:42 | 20m | - / -7 | M0BEW | -4 / - | 2 | ✓ Closing fragment |
| 06-02 15:09 | 20m | - / - | IV3JRY | -5 / - | 2 | Partial capture |
| 06-02 15:06 | 40m | -3 / -2 | IK4LZH | -1 / - | 5 | ✓ Full exchange observed |
| 06-02 14:56 | 20m | -11 / - | OK1ASG | -22 / +1 | 3 | Partial capture |
| 06-01 05:19 | 40m | +4 / - | IZ0AIO | -15 / +9 | 7 | Partial capture |
| 06-01 05:19 | 40m | +3 / - | F5ILV | - / -1 | 3 | Partial capture |
| 06-01 05:18 | 40m | - / - | F1IQH | -6 / - | 4 | Partial capture |
| 06-01 05:14 | 40m | 0 / - | I5UOA | - / -8 | 3 | Partial capture |
| 06-01 05:11 | 40m | -2 / - | DL6REX | -18 / -2 | 5 | Partial capture |
| 06-01 05:10 | 40m | +2 / +1 | DL6UCK | -4 / -16 | 7 | ✓ Full exchange observed |
| 06-01 05:09 | 40m | -8 / -3 | ON7HM | -12 / -4 | 4 | ✓ Full exchange observed |
| 06-01 04:59 | 40m | - / - | HA3GB | +1 / - | 2 | ✓ Closing fragment |
| 06-01 04:41 | 40m | -6 / +6 | F4ELU | -5 / -1 | 4 | ✓ Full exchange observed |
| 06-01 04:37 | 40m | -7 / - | RA6FRI | - / -7 | 2 | Partial capture |
| 05-31 14:47 | 40m | -12 / -2 | RW3QU | -2 / - | 4 | ✓ Full exchange observed |
| 05-31 04:05 | 20m | - / -8 | A71XX | +6 / - | 2 | ✓ Closing fragment |
| 05-30 10:50 | 40m | -13 / +1 | IZ4EFV | -24 / +9 | 4 | ✓ Full exchange observed |
| 05-30 10:44 | 20m | - / - | IQ4JO | -7 / - | 2 | ✓ Closing fragment |
| 05-30 04:51 | 40m | -6 / - | IQ5VK | -19 / +2 | 3 | ✓ Closing observed |
| 05-29 15:51 | 20m | - / +1 | EA3AGF | +8 / - | 3 | ✓ Closing fragment |
| 05-29 14:48 | 20m | - / 0 | F4EOC | -7 / - | 3 | ✓ Closing fragment |
| 05-28 04:26 | 40m | - / +8 | IK4LZH | +7 / - | 3 | ✓ Closing fragment |
| 05-28 04:20 | 40m | -3 / - | S57SWR | +9 / - | 3 | ✓ Closing observed |
| 05-28 04:15 | 40m | +8 / - | HC2GRC | - / - | 2 | Partial capture |
| 05-28 04:14 | 40m | +2 / -6 | DL8WEM | +14 / +7 | 2 | Partial capture |
| 05-28 04:12 | 40m | -2 / - | SQ3JVA | -24 / -1 | 3 | ✓ Closing observed |
| 05-28 04:10 | 40m | -2 / - | WA2HIP | - / - | 3 | Partial capture |
| 05-28 03:45 | 40m | +10 / - | RA4AUY | -7 / - | 2 | ✓ Closing observed |
| 05-28 03:43 | 40m | +7 / -15 | EA5JHD | +4 / - | 5 | ✓ Full exchange observed |
| 05-28 03:42 | 40m | +7 / - | RN6HK | - / +1 | 2 | Partial capture |
| 05-28 03:40 | 40m | -6 / - | F5OYA/P | - / - | 2 | Partial capture |
| 05-27 14:54 | 40m | - / - | IK4LZH | -4 / - | 2 | Partial capture |
| 05-26 18:54 | 20m | - / - | F4LER | +8 / - | 9 | Partial capture |
| 05-26 18:42 | 80m | +3 / +3 | SP9UOP | +13 / - | 3 | Partial capture |
| 05-26 18:40 | 80m | +8 / - | DO5OT | +6 / -8 | 4 | ✓ Closing observed |
| 05-26 18:36 | 40m | -8 / -11 | RW1AI | -3 / -3 | 5 | ✓ Full exchange observed |
| 05-26 18:26 | 20m | - / -1 | G6ODT | -13 / - | 4 | ✓ Closing fragment |
| 05-26 18:22 | 20m | - / -17 | GM3JIM | +3 / - | 3 | ✓ Closing fragment |
| 05-26 18:11 | 20m | - / -21 | A92AE | -14 / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 051300 +4 445 F1IQH YU4SPA RRR 051530 +2 445 CQ YU4SPA KN04 051545 -5 1871 YU4SPA IV3NDR JN65 051615 +4 446 YU4SPA SP6OWA JO71 051630 +7 445 M9PMB YU4SPA -22 (x4) 051845 -1 445 YU4SPA LZ2SPD KN22 (x2) 052530 -6 853 CQ YU4SPA KN04 (x3) 045300 -4 852 PD0RCQ YU4SPA -13 (x2)
UTC dB Audio Message 150945 -5 1005 YU4SPA IV3JRY JN66 184245 -7 955 YU4SPA M0BEW -07 (x2) 184930 -20 1832 YU4SPA IS0YHV -15 184945 -19 1832 IS0YHV YU4SPA R-09 185000 -20 1832 YU4SPA IS0YHV RR73 191415 -8 2278 YU4SPA OD5ZF -19 043715 -16 1072 YU4SPA RC9WC -12 (x6) 050215 -15 1519 YU4SPA F9DK R-11 (x2)
UTC dB Audio Message 183945 +11 1020 CQ YU4SPA KN04 184000 +6 1020 YU4SPA DO5OT JO62 184015 +6 1020 DO5OT YU4SPA -08 (x2) 184100 +7 1020 YU4SPA DO5OT 73 184145 +6 1750 R3ZP YU4SPA KN04 184215 +3 1681 SP9UOP YU4SPA KN04 184230 +11 1682 YU4SPA SP9UOP +03 (x2) 184415 +6 1681 CQ YU4SPA KN04
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.