DK4YF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DK4YF, decoded by SO8OO in southeastern Poland. 397 related FT8 messages, 144 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 30 UTC dates. Heard between 2026-05-10 and 2026-08-07.
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 DK4YF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by DK4YF
Approximate centre of JN58, decoded 2026-07-25 04:16 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 | DK4YF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-25 04:16 | 40m | -1 / - | XE2V | - / - | 2 | Partial capture |
| 07-25 04:13 | 40m | -4 / - | RA3ZDU | - / -11 | 3 | ✓ Closing fragment |
| 07-25 04:06 | 40m | -2 / - | F1PBZ | - / -3 | 2 | ✓ Closing fragment |
| 07-19 13:48 | 20m | - / +1 | R5AV | -12 / - | 2 | ✓ Closing fragment |
| 07-15 14:19 | 20m | -18 / - | SP6FME | - / - | 2 | ✓ Closing fragment |
| 06-23 03:34 | 40m | -7 / - | PZ5TW | - / - | 4 | Partial capture |
| 06-23 03:27 | 40m | -10 / - | 9K2GR | - / - | 2 | Partial capture |
| 06-23 03:22 | 40m | 0 / +1 | F1IQH | -9 / +1 | 4 | ✓ Full exchange observed |
| 06-22 03:19 | 40m | - / -20 | IQ4JO | -2 / - | 3 | ✓ Closing fragment |
| 06-20 03:06 | 40m | +3 / - | CE2LS | - / - | 2 | Partial capture |
| 06-20 03:04 | 40m | - / - | YO6LM | -13 / - | 2 | Partial capture |
| 06-20 03:03 | 40m | +8 / - | G3TKT | -6 / +3 | 5 | Partial capture |
| 06-20 02:56 | 40m | +3 / - | G3TKT | -2 / -7 | 3 | Partial capture |
| 06-20 02:54 | 40m | - / - | YO6LM | -10 / - | 2 | Partial capture |
| 06-20 02:52 | 40m | +10 / - | SV1GYG | -9 / -8 | 2 | Partial capture |
| 06-18 04:21 | 40m | -2 / - | LU7PBO | - / - | 2 | Partial capture |
| 06-18 04:05 | 40m | -2 / - | OA4ENG | - / -8 | 8 | ✓ Closing fragment |
| 06-18 04:04 | 40m | -2 / - | EA5IT | - / 0 | 2 | Partial capture |
| 06-18 03:53 | 40m | -10 / -15 | R6LE | -12 / -1 | 4 | ✓ Full exchange observed |
| 06-17 03:09 | 20m | - / - | RV6F | -13 / - | 2 | ✓ Closing fragment |
| 06-16 03:54 | 20m | - / +8 | R2BRD | -8 / - | 2 | Partial capture |
| 06-16 03:54 | 20m | - / - | R6DVV | -18 / - | 2 | ✓ Closing fragment |
| 06-13 04:17 | 20m | - / - | UA3POG | -17 / - | 2 | Partial capture |
| 06-13 04:13 | 20m | -3 / - | HG8LXL | - / -4 | 2 | ✓ Closing fragment |
| 06-13 04:06 | 20m | -4 / - | US2YW | - / -12 | 2 | Partial capture |
| 06-13 03:39 | 40m | +10 / - | NP4VA | - / -13 | 2 | ✓ Closing fragment |
| 06-13 03:37 | 40m | - / - | YO6LM | -2 / - | 2 | Partial capture |
| 06-13 03:30 | 40m | +2 / -11 | PE1NPS | -12 / -10 | 3 | Partial capture |
| 06-12 05:06 | 20m | - / -16 | UX7QV | +3 / - | 4 | ✓ Closing fragment |
| 06-11 03:56 | 40m | -8 / -2 | F4GTB | -10 / -2 | 7 | Partial capture |
| 06-10 04:23 | 40m | +8 / -25 | RQ6B | -22 / -10 | 4 | ✓ Full exchange observed |
| 06-10 04:19 | 40m | +10 / -16 | E75FM | +3 / -11 | 4 | ✓ Full exchange observed |
| 06-09 12:52 | 20m | - / -4 | F4GTB | -4 / - | 4 | ✓ Closing fragment |
| 06-09 04:50 | 40m | - / - | DL2MFO | -2 / - | 3 | Partial capture |
| 06-09 04:50 | 40m | +11 / - | SM7MDI | -15 / -6 | 10 | ✓ Full exchange observed |
| 06-09 04:36 | 40m | +11 / -2 | HA5VQ | +1 / - | 4 | ✓ Closing observed |
| 06-09 04:33 | 40m | - / - | HA5VQ | 0 / - | 2 | Partial capture |
| 06-09 04:33 | 40m | +7 / - | E75FM | +7 / -5 | 7 | Partial capture |
| 06-09 04:32 | 40m | +6 / - | KC1UVP | - / -11 | 2 | ✓ Closing fragment |
| 06-09 04:26 | 40m | +4 / -14 | R1AI | -15 / -4 | 5 | ✓ Full exchange observed |
| 06-09 04:25 | 40m | +9 / -5 | DK3TNA | -1 / +1 | 6 | ✓ Full exchange observed |
| 06-09 04:23 | 20m | - / - | R3IX | -7 / - | 2 | Partial capture |
| 06-07 03:36 | 40m | -7 / - | KB2ELA | - / -13 | 3 | ✓ Closing fragment |
| 06-07 03:32 | 40m | -10 / - | DL9YNG | -1 / -1 | 7 | ✓ Closing observed |
| 06-07 03:28 | 40m | +4 / +2 | ON4MAP | -15 / -5 | 3 | ✓ Full exchange observed |
| 06-07 03:17 | 40m | 0 / - | W4KWS | - / -18 | 2 | Partial capture |
| 06-06 04:39 | 40m | -2 / - | YL2TM | - / -10 | 2 | ✓ Closing fragment |
| 06-06 04:34 | 40m | +2 / - | TA4SSK | - / -16 | 4 | ✓ Closing fragment |
| 06-06 04:15 | 40m | +4 / - | <...> | - / -12 | 2 | Partial capture |
| 06-06 04:07 | 40m | -9 / - | SV1GYG | - / -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 031045 -16 1646 DK4YF RV6F 73 034430 -2 480 <...> DK4YF JN58 034600 -10 480 VK5PJ DK4YF JN58 034800 -8 2705 CQ DK4YF JN58 034815 +1 2707 DK4YF US2YW KN28 031245 -1 2308 DK4YF R0AX -14 141745 -17 1388 CQ DK4YF JN58 (x2) 141830 -15 1388 DK4YF F5IXN JN23 141945 -18 1388 SP6FME DK4YF RR73 (x2) 142400 +0 2593 3A2MW DK4YF JN58 134830 -10 2376 DK4YF R5AV +01 (x2) 121145 +0 2529 DK4YF YO5PHL KN16
UTC dB Audio Message 033615 -4 811 PZ5TW DK4YF JN58 (x3) 040430 -4 2574 CQ DK4YF JN58 040445 -11 2575 DK4YF RN6MA -07 040545 -9 2226 DK4YF DL8TV +01 040600 -3 2574 F1PBZ DK4YF R-03 (x2) 041130 -6 2514 CQ DK4YF JN58 (x2) 041300 -2 2513 RA3ZDU DK4YF -11 (x3) 041615 -1 628 XE2V DK4YF JN58 (x2)
UTC dB Audio Message 031745 -9 2416 CQ DK4YF JN58 (x6) 034715 -18 1254 DK4YF EB1LA IN73 034730 -17 1882 CQ DK4YF JN58 034815 -15 1254 DK4YF EB1LA R-12 034830 -16 1882 EB1LA DK4YF RR73 035130 -14 1882 VE2CKW DK4YF JN58 (x2) 041530 -22 1967 CQ DK4YF JN58 (x2)
UTC dB Audio Message 032330 +8 570 CQ DK4YF JN58 032345 +9 2720 DK4YF OE5DML JN78 032400 +6 570 OE5DML DK4YF -02 032415 +10 2720 DK4YF OE5DML R-01 032430 +5 570 OE5DML DK4YF RR73 032445 +11 2720 DK4YF OE5DML 73 032500 +6 570 OE5DML DK4YF -09 032515 +7 570 DK4YF OE5DML R-04 032515 -3 2260 DK4YF DO2ZZ JN48 032700 +7 570 CQ DK4YF JN58 (x4) 032915 -2 803 DK4YF IW4APB JN45 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.