4Z1BO — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 4Z1BO, decoded by SO8OO in southeastern Poland. 84 related FT8 messages, 3 CQ messages, observed on 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-25 and 2026-08-17.
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 4Z1BO worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 4Z1BO
Approximate centre of KM72, decoded 2026-06-12 06:57 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 | 4Z1BO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-17 17:20 | 20m | - / -15 | RA3ZH | -2 / - | 3 | ✓ Closing fragment |
| 08-14 09:48 | 20m | - / -23 | MI0NWA | -14 / - | 2 | Partial capture |
| 08-14 09:28 | 20m | - / -9 | GJ0KYZ | +4 / - | 2 | ✓ Closing fragment |
| 08-10 18:42 | 20m | - / - | DL1R | -2 / - | 7 | Partial capture |
| 07-30 18:33 | 40m | - / -14 | OK1AY | -6 / - | 3 | Partial capture |
| 07-16 17:34 | 40m | - / - | R7DX | -10 / - | 3 | Partial capture |
| 07-16 17:34 | 40m | - / -8 | UA4FEN | -19 / - | 2 | Partial capture |
| 07-14 18:48 | 20m | - / +3 | T77RN | -4 / - | 2 | ✓ Closing fragment |
| 06-12 09:53 | 10m | - / -14 | DJ5YS | +3 / - | 3 | Partial capture |
| 06-07 07:41 | 10m | - / -16 | UA6HGM | +3 / - | 4 | ✓ Closing fragment |
| 06-04 13:37 | 20m | -6 / - | SV1GYG | - / - | 3 | Partial capture |
| 06-04 13:35 | 20m | -9 / -2 | TA3TK | +14 / +10 | 4 | ✓ Full exchange observed |
| 06-03 17:29 | 20m | - / -11 | TF1EIN | -6 / - | 2 | Partial capture |
| 06-03 10:21 | 10m | -12 / - | 9J2FI | - / - | 4 | Partial capture |
| 06-03 10:17 | 10m | -6 / - | SP5OAB | - / +3 | 2 | ✓ Closing fragment |
| 06-03 10:16 | 10m | -12 / -16 | UA6HI | -4 / -7 | 6 | ✓ Full exchange observed |
| 06-03 10:14 | 10m | -8 / -14 | SV1EKI | -11 / - | 4 | ✓ Closing observed |
| 05-28 19:02 | 40m | -3 / -2 | DK7ZT | -5 / - | 4 | ✓ Closing observed |
| 05-28 19:01 | 40m | - / -7 | EA1CQ | -7 / - | 2 | ✓ Closing fragment |
| 05-28 18:58 | 40m | - / - | DL5BWG | +2 / - | 6 | Partial capture |
| 05-28 18:57 | 40m | - / - | 9A7BB | +2 / - | 4 | Partial capture |
| 05-28 18:56 | 40m | - / -2 | DK7ZT | -7 / - | 3 | Partial capture |
| 05-28 18:56 | 40m | -5 / -11 | SV2SCB | 0 / - | 6 | Partial capture |
| 05-28 18:55 | 40m | - / -2 | LY100RADIO | +16 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 184230 -4 2672 4Z1BO DL1R JN58 (x7) 085900 -18 2358 4Z1BO R2DX 73 092845 +3 771 4Z1BO GJ0KYZ -09 (x2) 094800 -14 767 4Z1BO MI0NWA -23 (x2) 172000 -1 564 4Z1BO RA3ZH KO81 (x3)
UTC dB Audio Message 190215 -5 1538 4Z1BO DK7ZT -02 190215 -5 2704 4Z1BO EA1CQ 73 190245 -2 1538 4Z1BO DK7ZT -02 (x2) 190330 -3 2705 DK7ZT 4Z1BO 73 190415 +4 1839 4Z1BO SV2SCB R-11 184100 -15 2199 4Z1BO UT4VL -16 173415 -19 1395 4Z1BO UA4FEN -08 (x2) 173445 -9 2117 4Z1BO R7DX KN84 (x3) 183300 -4 622 4Z1BO OK1AY -14 (x3)
UTC dB Audio Message 101845 -5 2083 4Z1BO UA6HI RR73 101900 -13 2743 UA6HI 4Z1BO 73 102130 -12 2744 9J2FI 4Z1BO KM72 (x4) 074100 +8 2859 4Z1BO UA6HGM LN14 (x4) 065715 -12 2862 VK3BE 4Z1BO KM72 095330 -1 2343 4Z1BO DJ5YS JN68 (x3) 100100 -3 2224 4Z1BO DL2DBI JO31
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.