SP4ART — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SP4ART, decoded by SO8OO in southeastern Poland. 104 related FT8 messages, 21 CQ messages, observed on 80m, 40m, 20m, 10m, across 6 UTC dates. Heard between 2026-08-05 and 2026-08-18.
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 SP4ART worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SP4ART
Approximate centre of KO03, decoded 2026-08-18 21:37 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 | SP4ART S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-18 21:38 | 80m | - / -13 | DO9BAU | +5 / - | 3 | ✓ Closing fragment |
| 08-18 21:38 | 80m | -10 / -17 | UA4FKT | +9 / -11 | 4 | ✓ Full exchange observed |
| 08-18 21:36 | 40m | - / - | HB9MZI | -23 / - | 2 | Partial capture |
| 08-18 21:36 | 80m | -7 / -14 | US2YW | +7 / - | 4 | ✓ Closing observed |
| 08-18 21:35 | 80m | -14 / +3 | SP5MXZ | +2 / - | 3 | ✓ Closing observed |
| 08-16 20:33 | 40m | -12 / +5 | OZ5AGJ | -16 / -9 | 4 | ✓ Full exchange observed |
| 08-16 20:33 | 40m | -11 / - | 9A4ZM | -5 / -10 | 2 | Partial capture |
| 08-16 20:27 | 80m | -8 / -9 | SP9UPH | +16 / -3 | 5 | ✓ Full exchange observed |
| 08-16 20:24 | 80m | - / - | UA4FKT | +4 / - | 3 | Partial capture |
| 08-16 20:17 | 20m | -6 / - | KJ1R | - / - | 4 | Partial capture |
| 08-16 20:14 | 20m | -1 / - | BH2WTV | - / - | 3 | Partial capture |
| 08-16 20:12 | 20m | -5 / -1 | PA3AGN | -16 / - | 5 | ✓ Closing observed |
| 08-16 20:03 | 20m | -4 / - | TA2EE | - / -11 | 2 | Partial capture |
| 08-16 20:02 | 20m | -7 / - | W1ARY | - / -9 | 6 | Partial capture |
| 08-16 19:58 | 20m | - / - | SV5BYP | -8 / - | 5 | Partial capture |
| 08-16 19:26 | 20m | - / - | RC5F | -3 / - | 2 | Partial capture |
| 08-16 19:24 | 20m | - / -16 | OM1AN | +9 / - | 3 | ✓ Closing fragment |
| 08-16 19:23 | 20m | - / -1 | M8KKH | -12 / - | 2 | ✓ Closing fragment |
| 08-16 19:20 | 20m | - / - | DB1EF | -20 / - | 2 | ✓ Closing fragment |
| 08-16 14:12 | 20m | - / -14 | PD3LKN | -16 / - | 2 | ✓ Closing fragment |
| 08-15 16:50 | 40m | -22 / -17 | UA3GDJ | -6 / -11 | 4 | ✓ Full exchange observed |
| 08-15 16:44 | 40m | -22 / - | DK0ACI | - / -7 | 2 | ✓ Closing fragment |
| 08-15 16:42 | 40m | - / -13 | 3Z0L | -14 / - | 2 | ✓ Closing fragment |
| 08-15 16:40 | 40m | -24 / - | DK7ZT | - / -7 | 2 | ✓ Closing fragment |
| 08-15 16:38 | 40m | -22 / +1 | PA2RO | -15 / -6 | 3 | ✓ Full exchange observed |
| 08-15 16:36 | 40m | -20 / - | BD8ELZ | - / - | 2 | Partial capture |
| 08-15 16:27 | 20m | - / +4 | M0BEW | +2 / - | 2 | ✓ Closing fragment |
| 08-06 19:19 | 20m | - / +1 | 2E0ROJ | -17 / - | 2 | Partial capture |
| 08-06 19:14 | 20m | - / -17 | EA8AT | -8 / - | 2 | ✓ Closing fragment |
| 08-06 19:09 | 20m | - / - | RZ4FWA | -10 / - | 2 | Partial capture |
| 08-06 16:29 | 20m | - / - | F5PBG | -13 / - | 3 | Partial capture |
| 08-06 16:29 | 20m | - / - | F5RRS | -15 / - | 2 | Partial capture |
| 08-06 15:53 | 40m | - / - | UA4FKT | -13 / - | 5 | ✓ Closing fragment |
| 08-05 18:40 | 40m | -9 / -14 | UA9FMT | -13 / -15 | 4 | Partial capture |
| 08-05 18:29 | 20m | - / +4 | F4MGP | -10 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 213545 +4 1040 SP4ART SP5MXZ RR73 213600 -14 1434 SP5MXZ SP4ART 73 213615 +5 1433 SP4ART US2YW KN28 (x2) 213700 -7 1434 US2YW SP4ART RR73 213715 +8 1433 SP4ART US2YW 73 213730 -8 1434 CQ SP4ART KO03 213745 +5 1946 SP4ART IQ4JO JN63 213800 -8 1434 UA4FKT SP4ART -11 213815 +11 1434 SP4ART UA4FKT R-17 213830 -13 1433 UA4FKT SP4ART RR73 213845 +4 2202 SP4ART DO9BAU JO62 213845 +7 1434 SP4ART UA4FKT 73 213915 +7 2202 SP4ART DO9BAU R-13 (x2)
UTC dB Audio Message 165830 -21 1372 CQ SP4ART KO03 (x2) 170115 -14 1372 SP4ART PD0RCQ JO21 144515 -9 1596 SP4ART UT0UE RR73 144600 -22 1373 CQ SP4ART KO03 a1 (x2) 203015 -17 2392 SP4ART SP7TF RR73 203315 -5 2471 SP4ART 9A4ZM JN86 203330 -11 2475 OZ5AGJ SP4ART -09 203415 -14 2473 SP4ART OZ5AGJ R+05 203430 -14 2391 OZ5AGJ SP4ART RR73 203445 -18 2473 SP4ART OZ5AGJ 73 203500 -11 2390 9A4ZM SP4ART -10 213645 -23 1469 SP4ART HB9MZI JN49 (x2)
UTC dB Audio Message 200830 -9 2427 CQ SP4ART KO03 200930 -7 2427 JA9CHI SP4ART RR73 201045 -17 2427 SP4ART DK7ZT -12 201215 -17 1176 SP4ART PA3AGN JO22 (x3) 201400 -5 2426 PA3AGN SP4ART RR73 201415 -17 1176 SP4ART PA3AGN 73 201430 -2 2426 BH2WTV SP4ART KO03 (x3) 201700 -5 2427 KJ1R SP4ART KO03 (x4)
UTC dB Audio Message 172730 -4 1371 SP4ART LZ5UY RR73 172830 -11 1343 SP4ART LZ2VQ -05
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.