4X5PB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 4X5PB, decoded by SO8OO in southeastern Poland. 379 related FT8 messages, 53 CQ messages, observed on 60m, 40m, 20m, across 37 UTC dates. Heard between 2026-05-24 and 2026-08-22.
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 4X5PB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by 4X5PB
Approximate centre of KM71, decoded 2026-08-22 17:03 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 | 4X5PB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 17:04 | 20m | -13 / -5 | IK4RUX | -6 / -4 | 6 | ✓ Full exchange observed |
| 08-21 08:49 | 20m | - / - | DL9IQ | -2 / - | 2 | Partial capture |
| 08-19 20:07 | 20m | - / - | F4ACR | -7 / - | 3 | Partial capture |
| 08-19 20:06 | 20m | - / -15 | F1PBZ | +5 / - | 3 | Partial capture |
| 08-15 13:05 | 20m | - / -18 | UR9QQ | -12 / - | 3 | ✓ Closing fragment |
| 08-08 20:48 | 40m | - / - | DJ6GI | +6 / - | 4 | Partial capture |
| 08-08 20:22 | 40m | - / - | DJ6GI | -2 / - | 4 | Partial capture |
| 07-28 20:22 | 20m | - / - | OK4SD | -12 / - | 2 | Partial capture |
| 07-26 20:04 | 40m | - / -14 | I0KNQ | -16 / - | 2 | Partial capture |
| 07-26 19:04 | 40m | - / -16 | I0KNQ | -14 / - | 4 | Partial capture |
| 07-26 17:52 | 20m | - / -17 | PD1ADA | -22 / - | 3 | ✓ Closing fragment |
| 07-24 21:21 | 40m | - / -10 | SM7DXE | -18 / - | 2 | ✓ Closing fragment |
| 07-24 21:20 | 40m | - / - | DM2BM | -16 / - | 2 | Partial capture |
| 07-24 18:41 | 20m | - / - | PD0DEX | -18 / - | 8 | Partial capture |
| 07-24 18:17 | 20m | - / +9 | PD1B | -14 / - | 4 | ✓ Closing fragment |
| 07-24 16:48 | 40m | - / - | DL1IP | -21 / - | 2 | Partial capture |
| 07-23 22:02 | 60m | - / - | EA1SS | -19 / - | 2 | Partial capture |
| 07-23 21:07 | 40m | - / -18 | IZ8EYN | -14 / - | 2 | Partial capture |
| 07-23 21:04 | 40m | - / - | RN1ON | -12 / - | 2 | ✓ Closing fragment |
| 07-23 21:04 | 40m | - / - | RN3DN | +5 / - | 3 | Partial capture |
| 07-23 20:44 | 40m | - / +3 | EA2TW | -21 / - | 2 | ✓ Closing fragment |
| 07-22 19:26 | 40m | - / -13 | OZ1LDO | -18 / - | 3 | ✓ Closing fragment |
| 07-22 19:17 | 40m | - / -7 | SP9EVL | +9 / - | 3 | ✓ Closing fragment |
| 07-22 19:03 | 40m | - / -15 | OK7PJ | -9 / - | 3 | Partial capture |
| 07-22 18:41 | 40m | - / - | R3XBB | -12 / - | 2 | Partial capture |
| 07-22 16:31 | 20m | - / -13 | F4JEJ | -16 / - | 15 | Partial capture |
| 07-22 16:27 | 20m | - / - | F4JEJ | -14 / - | 2 | Partial capture |
| 07-03 20:06 | 20m | - / -18 | TM2WWA | -12 / - | 2 | ✓ Closing fragment |
| 07-02 18:44 | 20m | - / -24 | ON1JP | -9 / - | 3 | Partial capture |
| 07-02 17:52 | 20m | - / - | M0IEP/P | -7 / - | 4 | Partial capture |
| 07-02 17:52 | 20m | - / -10 | TM2WWA | -4 / - | 2 | ✓ Closing fragment |
| 07-02 17:48 | 20m | - / -14 | RZ4FWA | -18 / - | 4 | ✓ Closing fragment |
| 06-29 19:33 | 20m | - / -4 | DL1R | +2 / - | 7 | Partial capture |
| 06-24 20:19 | 40m | - / -13 | IQ3UCY | -12 / - | 2 | ✓ Closing fragment |
| 06-22 19:22 | 20m | - / -18 | EA5KBG | -3 / - | 3 | ✓ Closing fragment |
| 06-21 20:36 | 40m | - / - | IK4LZH | -6 / - | 3 | Partial capture |
| 06-21 18:42 | 20m | - / - | ON3BLC | -15 / - | 5 | Partial capture |
| 06-21 17:28 | 20m | - / - | DL1R | -16 / - | 4 | Partial capture |
| 06-18 17:40 | 20m | -3 / -12 | US5HL | -2 / -8 | 4 | ✓ Full exchange observed |
| 06-18 16:53 | 20m | - / -15 | BG4UCZ | -4 / - | 3 | ✓ Closing fragment |
| 06-17 20:28 | 40m | -7 / -9 | PA2RO | +8 / -10 | 5 | ✓ Full exchange observed |
| 06-17 20:20 | 40m | -8 / -10 | LB7ZG | +5 / -5 | 6 | ✓ Full exchange observed |
| 06-17 20:19 | 40m | -16 / -22 | DM4TRX | -5 / -10 | 5 | ✓ Full exchange observed |
| 06-17 18:32 | 20m | -14 / - | BD7KWU | - / - | 6 | Partial capture |
| 06-17 18:30 | 20m | - / - | RZ4FWA | +10 / - | 3 | Partial capture |
| 06-17 17:36 | 20m | - / - | EA5JUX | -11 / - | 2 | Partial capture |
| 06-15 18:45 | 20m | - / - | F1POK | -17 / - | 6 | Partial capture |
| 06-15 16:42 | 20m | -24 / -19 | R7DX | -15 / - | 4 | ✓ Closing observed |
| 06-14 19:46 | 20m | -19 / - | XV9B | - / - | 2 | Partial capture |
| 06-13 20:42 | 20m | - / -10 | SV5BYP | +8 / - | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200630 +5 2917 4X5PB F1PBZ -15 (x2) 200730 -9 1271 4X5PB F4ACR IN96 200730 +6 2917 4X5PB F1PBZ -15 200800 -1 1271 4X5PB F4ACR IN96 (x2) 084900 -3 339 4X5PB DL9IQ JO40 (x2) 170315 -14 311 CQ 4X5PB KM71 170430 -8 1768 4X5PB IK4RUX R-05 170445 -13 311 IK4RUX 4X5PB -04 170500 +1 1768 4X5PB IK4RUX R-08 170515 -13 311 IK4RUX 4X5PB -04 (x2) 170630 -12 1768 4X5PB IK4RUX 73
UTC dB Audio Message 190630 -17 1591 4X5PB I0KNQ -16 (x2) 191745 -15 1522 4X5PB RT7B -18 200400 -18 1731 4X5PB EU7DD KO53 200430 -17 1742 4X5PB I0KNQ JN62 (x2) 202215 -1 762 4X5PB DJ6GI JO43 (x4) 202645 -24 1741 4X5PB DL9PN JN39 204800 +8 763 4X5PB DJ6GI JO43 (x4)
UTC dB Audio Message 220230 -19 1656 4X5PB EA1SS IN70 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.