4Z5AY — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 4Z5AY, decoded by SO8OO in southeastern Poland. 60 related FT8 messages, observed on 20m, 10m, across 9 UTC dates. Heard between 2026-06-24 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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations 4Z5AY worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 4Z5AY
Approximate centre of KM72, decoded 2026-08-23 23:33 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 | 4Z5AY S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 23:23 | 20m | -2 / - | HI3RMJ | -10 / - | 4 | ✓ Closing observed |
| 08-23 23:20 | 20m | -6 / - | XQ1KK | - / - | 17 | Partial capture |
| 08-23 23:12 | 20m | +5 / - | HI3RMJ | - / +1 | 12 | Partial capture |
| 08-23 23:09 | 20m | +7 / - | 8P6GE | - / - | 2 | Partial capture |
| 08-23 23:07 | 20m | +2 / - | VE3BR | - / - | 2 | Partial capture |
| 08-23 23:03 | 20m | +2 / - | HI3RMJ | - / - | 2 | Partial capture |
| 08-23 23:00 | 20m | -4 / - | F4HTA | - / -3 | 4 | ✓ Closing fragment |
| 08-23 22:51 | 20m | +2 / -14 | HI3A | +6 / +2 | 9 | ✓ Full exchange observed |
| 08-23 22:48 | 20m | +7 / -9 | JA1SJS | -13 / -5 | 6 | ✓ Full exchange observed |
| 08-23 22:47 | 20m | +6 / - | JH4MGU | - / +1 | 2 | ✓ Closing fragment |
| 08-23 22:42 | 20m | +6 / - | DF6PF | - / -3 | 5 | Partial capture |
| 08-23 22:40 | 20m | +4 / - | HI3A | - / - | 3 | Partial capture |
| 08-22 22:38 | 20m | - / -14 | CT2IGO | -5 / - | 12 | Partial capture |
| 08-22 22:36 | 20m | -12 / - | VP2VKC | - / - | 4 | Partial capture |
| 08-22 22:31 | 20m | -12 / - | <...> | - / - | 2 | Partial capture |
| 08-17 08:31 | 10m | - / -10 | RA6AR | -12 / - | 3 | ✓ Closing fragment |
| 08-16 05:38 | 20m | - / -23 | VK7AC | -16 / - | 3 | ✓ Closing fragment |
| 07-31 22:03 | 20m | -9 / - | DJ0MEK | - / -11 | 3 | Partial capture |
| 07-31 21:58 | 20m | -6 / - | UX1VT | - / +6 | 2 | ✓ Closing fragment |
| 07-31 21:55 | 20m | - / -7 | CR7BUJ | -14 / - | 2 | ✓ Closing fragment |
| 07-19 22:02 | 20m | -1 / - | LU9GDN | - / - | 2 | Partial capture |
| 06-26 17:53 | 20m | -10 / - | JE2GKZ | - / -24 | 2 | Partial capture |
| 06-26 17:37 | 20m | - / -15 | SP1EG | -16 / - | 2 | Partial capture |
| 06-26 16:10 | 10m | - / - | F4GHN | +5 / - | 2 | ✓ Closing fragment |
| 06-26 16:07 | 10m | - / -8 | F4GHN | +4 / - | 2 | Partial capture |
| 06-25 22:33 | 20m | -8 / - | W5ZJ | - / -17 | 2 | Partial capture |
| 06-25 22:31 | 20m | -8 / - | F4MBU | - / - | 2 | Partial capture |
| 06-25 22:23 | 20m | -15 / - | W5ZJ | - / -17 | 2 | Partial capture |
| 06-25 22:23 | 20m | -9 / - | HB9TIH | -21 / -9 | 11 | Partial capture |
| 06-25 22:22 | 20m | -10 / - | KF0YOB | - / - | 2 | Partial capture |
| 06-25 22:20 | 20m | -12 / - | BD8ENX | - / - | 2 | Partial capture |
| 06-25 22:16 | 20m | -8 / - | KJ4KFJ | - / - | 4 | Partial capture |
| 06-25 22:07 | 20m | -17 / - | WB2BIN | - / -12 | 3 | Partial capture |
| 06-25 22:03 | 20m | - / -4 | W1ATV | -16 / - | 2 | Partial capture |
| 06-25 21:56 | 20m | -6 / - | FG4AO | - / - | 2 | Partial capture |
| 06-25 21:51 | 20m | -11 / - | BG4TRN | - / -13 | 3 | Partial capture |
| 06-25 21:39 | 20m | -10 / - | PD5MVH | - / -10 | 11 | ✓ Closing fragment |
| 06-25 21:36 | 20m | -1 / - | DH1FA | - / -4 | 3 | ✓ Closing fragment |
| 06-25 21:33 | 20m | +4 / - | T47FCR | - / - | 3 | Partial capture |
| 06-25 21:32 | 20m | +1 / +8 | F4MXD | -13 / 0 | 5 | ✓ Full exchange observed |
| 06-25 21:31 | 20m | -2 / - | MM3RCR | - / -11 | 2 | ✓ Closing fragment |
| 06-25 21:24 | 20m | -2 / - | OZ9TAN | - / - | 7 | Partial capture |
| 06-25 21:18 | 20m | -6 / - | CS8ABF | - / - | 9 | Partial capture |
| 06-25 21:13 | 20m | -6 / - | GM3JIM | -15 / -14 | 9 | ✓ Closing observed |
| 06-25 21:11 | 20m | -12 / -22 | DL5DQZ | -15 / - | 4 | ✓ Closing observed |
| 06-25 21:09 | 20m | -10 / - | BI4JJO | - / -18 | 2 | ✓ Closing fragment |
| 06-25 21:07 | 20m | -8 / - | HA5LB | - / -7 | 4 | ✓ Closing fragment |
| 06-25 21:06 | 20m | -8 / - | HI8AD | - / - | 2 | Partial capture |
| 06-25 20:50 | 20m | -11 / - | JA1QOW | - / -5 | 3 | ✓ Closing fragment |
| 06-25 20:48 | 20m | -6 / - | JH1CTV | - / -10 | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 232315 -3 2711 HI3RMJ 4Z5AY 73 232330 -11 1760 4Z5AY HI3RMJ RR73 232345 +0 2711 HI3RMJ 4Z5AY 73 232415 -3 2711 XQ1KK 4Z5AY KM72 (x12)
UTC dB Audio Message 165700 +1 335 4Z5AY DG4BRT -15 (x4) 160615 -14 545 4Z5AY CT7AIU RR73 160745 +4 757 4Z5AY F4GHN -08 (x4) 072430 -24 1858 4Z5AY R7DX 73 082100 +8 2794 4Z5AY F1MXE RR73 094115 -6 982 4Z5AY F4LHL RR73 083145 -10 2249 4Z5AY RA6AR KN93 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.