9Z4S — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving 9Z4S, decoded by SO8OO in southeastern Poland. 320 related FT8 messages, 6 CQ messages, observed on 80m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-05-25 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.
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Overview
Frequent QSO partners observed at SO8OO
Stations 9Z4S worked most often, as logged from our receiver:
Activity Heatmap
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 | 9Z4S S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-24 00:57 | 40m | - / -11 | TF4M | -8 / - | 2 | Partial capture |
| 08-24 00:47 | 20m | - / - | EA3GXK | -10 / - | 2 | Partial capture |
| 08-09 00:32 | 40m | - / - | F1IQH | -11 / - | 2 | Partial capture |
| 07-28 20:05 | 10m | - / -6 | SQ8SBP | -8 / - | 4 | ✓ Closing fragment |
| 07-28 19:28 | 10m | - / -12 | ON6AA | -7 / - | 4 | Partial capture |
| 07-24 02:38 | 40m | - / -18 | F4NGR | -19 / - | 2 | Partial capture |
| 07-23 02:39 | 40m | - / - | F1IQH | -10 / - | 2 | Partial capture |
| 07-22 01:06 | 40m | - / - | F4BYA | +1 / - | 4 | Partial capture |
| 07-21 20:49 | 10m | - / -22 | IU1TKT | -13 / - | 3 | Partial capture |
| 07-21 03:13 | 40m | - / -13 | OS4K | -23 / - | 3 | Partial capture |
| 07-21 03:08 | 40m | - / - | F1IQH | -6 / - | 4 | Partial capture |
| 07-21 02:25 | 20m | - / -20 | UR5LAK | -9 / - | 3 | ✓ Closing fragment |
| 07-21 02:04 | 20m | - / -6 | IK4LZH | -3 / - | 3 | Partial capture |
| 07-18 02:20 | 40m | - / - | IK1JUS | -15 / - | 4 | Partial capture |
| 07-18 01:37 | 40m | - / -15 | UT7UJ | -6 / - | 2 | ✓ Closing fragment |
| 07-16 03:17 | 40m | - / -22 | DH1KJ | -10 / - | 2 | Partial capture |
| 07-12 01:53 | 40m | - / - | F1IQH | -11 / - | 3 | Partial capture |
| 07-12 01:48 | 40m | - / - | OH1ZE | -8 / - | 6 | Partial capture |
| 06-15 02:54 | 40m | - / -15 | F1PBZ | -8 / - | 2 | Partial capture |
| 06-15 02:40 | 40m | - / -16 | YO8RAW | -13 / - | 3 | ✓ Closing fragment |
| 06-15 02:19 | 20m | - / +2 | RW3FY | -10 / - | 2 | Partial capture |
| 06-15 02:05 | 20m | - / - | N9RWG | -23 / - | 3 | Partial capture |
| 06-15 02:04 | 20m | - / - | R3PLT | -12 / - | 4 | Partial capture |
| 06-15 02:03 | 20m | - / - | VE3XVC | -6 / - | 4 | Partial capture |
| 06-15 01:33 | 20m | - / - | UF5F | -19 / - | 2 | Partial capture |
| 06-13 23:40 | 80m | - / - | RW1CW | -8 / - | 3 | Partial capture |
| 06-13 23:39 | 40m | - / -11 | EA8UP | -5 / - | 2 | ✓ Closing fragment |
| 06-13 23:34 | 40m | - / -13 | OH3CBN | +1 / - | 8 | ✓ Closing fragment |
| 06-13 23:25 | 40m | - / -19 | IU1QYF | -8 / - | 10 | Partial capture |
| 06-13 23:23 | 40m | - / -16 | UA4FKT | +1 / - | 2 | Partial capture |
| 06-13 23:07 | 20m | - / - | EI3CTB | -5 / - | 3 | Partial capture |
| 06-13 22:58 | 20m | - / - | IZ8QXY | -12 / - | 4 | Partial capture |
| 06-13 22:53 | 20m | - / -8 | IK4LZH | -2 / - | 2 | ✓ Closing fragment |
| 06-13 22:20 | 10m | - / -18 | IK7IMO | -17 / - | 3 | ✓ Closing fragment |
| 06-13 22:20 | 10m | - / - | LZ2VQ | -6 / - | 2 | Partial capture |
| 06-13 22:16 | 10m | - / - | LZ2VQ | -10 / - | 2 | Partial capture |
| 06-13 22:10 | 10m | - / -13 | SV1AIN | -6 / - | 5 | ✓ Closing fragment |
| 06-13 21:59 | 10m | - / - | IU0VYT | +9 / - | 3 | Partial capture |
| 06-13 21:26 | 10m | - / -17 | SV2CLJ | -3 / - | 2 | ✓ Closing fragment |
| 06-13 00:40 | 40m | - / -13 | F1IQH | 0 / - | 4 | ✓ Closing fragment |
| 06-13 00:35 | 40m | - / -22 | RM1F | -3 / - | 3 | ✓ Closing fragment |
| 06-13 00:31 | 40m | - / -15 | PW8BR | -10 / - | 2 | ✓ Closing fragment |
| 06-13 00:25 | 20m | - / - | N8DH | -16 / - | 3 | Partial capture |
| 06-12 02:18 | 40m | - / - | CT2GQA | -3 / - | 5 | Partial capture |
| 06-12 02:11 | 40m | - / -4 | KR4DEA | -18 / - | 2 | ✓ Closing fragment |
| 06-11 01:06 | 40m | - / -17 | OE5GQQ | -2 / - | 2 | Partial capture |
| 06-11 00:49 | 20m | - / - | R9JX | -6 / - | 3 | ✓ Closing fragment |
| 06-10 04:53 | 20m | - / -17 | Z34K | +11 / - | 3 | ✓ Closing fragment |
| 06-10 03:41 | 20m | - / -25 | EA7FMI | -18 / - | 2 | Partial capture |
| 06-10 03:18 | 20m | - / - | UA4CPM | -2 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 023900 -8 595 9Z4S F1IQH JN27 (x2) 021345 -24 1431 9Z4S MW0KJN -15 022145 -14 1928 9Z4S R3BGU KO85 023715 -6 386 9Z4S R1AP RR73 023815 -18 1410 9Z4S F4NGR JN33 (x2) 024345 -20 2292 9Z4S OH7MEY KP33 024845 -5 594 9Z4S RM1B KO59 033330 -18 1594 9Z4S R7OP KN98 (x2) 003230 -10 592 9Z4S F1IQH JN27 (x2) 005745 -8 2213 9Z4S TF4M HP85 (x2)
UTC dB Audio Message 020645 -24 1916 9Z4S N9RWG EL97 020715 -12 980 9Z4S R3PLT KO93 020745 -24 1916 9Z4S N9RWG EL97 021815 -8 749 9Z4S W9HP 73 021945 -12 365 9Z4S RW3FY KO95 (x2) 020415 -4 762 9Z4S IK4LZH JN54 (x3) 020645 -10 2721 9Z4S DL1R R-23 022545 -11 2085 9Z4S UR5LAK R-20 (x3) 004745 -11 633 9Z4S EA3GXK IM98 (x2)
UTC dB Audio Message 222115 -8 647 9Z4S LZ2VQ KN23 222115 -17 1663 9Z4S IK7IMO R-18 (x2) 204915 -20 1465 9Z4S IU1TKT JN35 (x3) 192400 -17 2112 9Z4S ON6AA JO11 (x5) 200530 -8 651 9Z4S SQ8SBP KN19 (x4)
UTC dB Audio Message 234030 -2 1930 9Z4S RW1CW KO59 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.