KS4RF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving KS4RF, decoded by SO8OO in southeastern Poland. 191 related FT8 messages, observed on 80m, 40m, 20m, across 26 UTC dates. Heard between 2026-05-28 and 2026-08-20.
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 KS4RF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by KS4RF
Approximate centre of EM72, decoded 2026-08-20 23:32 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 | KS4RF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 00:10 | 20m | - / -18 | YO4NF | -5 / - | 2 | Partial capture |
| 08-20 23:34 | 20m | - / -15 | YO4NF | +17 / - | 2 | Partial capture |
| 08-20 23:32 | 20m | -6 / - | 8Z1IT | -4 / -8 | 6 | ✓ Closing observed |
| 08-20 23:05 | 20m | - / +5 | YV6BXN | -12 / - | 2 | ✓ Closing fragment |
| 08-20 04:05 | 40m | - / - | YO6QDY | -8 / - | 4 | Partial capture |
| 08-20 04:03 | 40m | -15 / - | EB3JT | - / -14 | 2 | Partial capture |
| 08-20 04:01 | 40m | - / - | PC2F | -4 / - | 5 | Partial capture |
| 08-20 03:55 | 40m | -14 / - | TN8GD | - / -12 | 5 | Partial capture |
| 08-20 03:54 | 40m | - / - | YO6QDY | -8 / - | 6 | Partial capture |
| 08-20 03:53 | 40m | - / - | YO9IAB | +11 / - | 4 | Partial capture |
| 08-20 03:49 | 40m | -17 / -8 | YO4GIY | -8 / -23 | 9 | ✓ Full exchange observed |
| 08-20 03:47 | 40m | - / - | YO6QDY | -14 / - | 2 | Partial capture |
| 08-20 03:46 | 40m | - / - | SV2AOB | -2 / - | 2 | Partial capture |
| 08-20 03:45 | 40m | -8 / - | NE5TX | - / - | 2 | ✓ Closing fragment |
| 08-20 03:42 | 40m | -6 / - | OM8GT | - / -17 | 4 | Partial capture |
| 08-20 03:40 | 40m | - / -11 | G4RYE | +3 / - | 5 | Partial capture |
| 08-20 03:39 | 40m | -8 / - | OM8GT | - / - | 2 | Partial capture |
| 08-15 00:59 | 20m | - / - | IW2MYH | -23 / - | 3 | Partial capture |
| 08-15 00:57 | 20m | - / -6 | A71QQ | -16 / - | 2 | ✓ Closing fragment |
| 08-12 19:48 | 20m | - / -10 | LZ2VQ | -10 / - | 2 | Partial capture |
| 08-12 19:47 | 20m | - / -16 | LY7T | -14 / - | 2 | ✓ Closing fragment |
| 08-12 19:44 | 20m | - / - | R6FFB | +1 / - | 2 | Partial capture |
| 08-09 21:59 | 20m | - / - | RA3ZH | -5 / - | 3 | Partial capture |
| 08-06 02:36 | 40m | - / - | F5RRS | -18 / - | 2 | Partial capture |
| 08-06 02:26 | 20m | - / -6 | DL4GCJ | -15 / - | 3 | Partial capture |
| 08-04 01:54 | 40m | - / - | EB3JT | -8 / - | 2 | Partial capture |
| 08-04 01:53 | 40m | - / - | RN6HK | -8 / - | 2 | Partial capture |
| 08-02 04:28 | 40m | - / - | YO9IAB | -1 / - | 8 | Partial capture |
| 08-02 04:19 | 20m | - / - | RV3QI | -2 / - | 2 | ✓ Closing fragment |
| 08-02 04:09 | 20m | -6 / - | IC8TEM | - / -5 | 2 | Partial capture |
| 08-02 04:08 | 20m | - / - | RA6AVP | -14 / - | 6 | Partial capture |
| 08-02 04:06 | 20m | -13 / - | OM0RX | - / - | 3 | Partial capture |
| 08-02 04:04 | 20m | - / -16 | R2BQM | -18 / - | 2 | Partial capture |
| 08-02 04:03 | 20m | -14 / - | UT3RS | - / +8 | 2 | ✓ Closing fragment |
| 08-02 04:02 | 20m | -12 / - | HK3W | - / -7 | 2 | ✓ Closing fragment |
| 08-02 04:01 | 20m | - / - | RA6AVP | -14 / - | 4 | Partial capture |
| 08-02 04:01 | 20m | -9 / - | SP7IIT | - / - | 2 | ✓ Closing fragment |
| 07-31 01:28 | 40m | - / - | F5RRS | -15 / - | 4 | Partial capture |
| 07-30 09:08 | 20m | - / - | PD1ADA | -19 / - | 3 | Partial capture |
| 07-14 04:32 | 40m | - / - | OZ7FOC | -18 / - | 2 | ✓ Closing fragment |
| 07-14 04:28 | 40m | - / -13 | DL3OCF | -16 / - | 2 | Partial capture |
| 07-14 04:24 | 40m | - / -5 | OE9DAI | -15 / - | 2 | Partial capture |
| 07-14 00:57 | 40m | - / - | F5RRS | -18 / - | 3 | Partial capture |
| 07-14 00:57 | 40m | - / - | F4BYA | +7 / - | 2 | Partial capture |
| 07-13 02:20 | 20m | - / - | R2AL | +7 / - | 3 | Partial capture |
| 07-13 02:19 | 20m | - / - | R6FY | -17 / - | 2 | Partial capture |
| 07-04 02:07 | 40m | - / - | A71XX | -11 / - | 3 | Partial capture |
| 07-04 01:57 | 20m | - / -3 | VP2MAA | -4 / - | 2 | ✓ Closing fragment |
| 07-03 02:19 | 40m | - / -18 | R2FC | 0 / - | 5 | ✓ Closing fragment |
| 07-03 02:04 | 20m | - / - | SV5BYP | -19 / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 010100 -21 1967 KS4RF IW2MYH JN45 (x2) 230515 -10 1464 KS4RF YV6BXN +05 (x2) 230615 -6 1464 KS4RF YO4NF -18 233230 -4 547 8Z1IT KS4RF EM72 (x3) 233345 -4 549 KS4RF 8Z1IT RR73 233400 -6 546 8Z1IT KS4RF R-08 233415 -3 549 KS4RF 8Z1IT RR73 233445 +22 546 KS4RF YO4NF -15 (x4)
UTC dB Audio Message 035715 -14 921 TN8GD KS4RF EM72 (x4) 040130 -4 921 KS4RF PC2F JO22 (x5) 040345 -15 921 EB3JT KS4RF -14 (x2) 040500 -8 1601 KS4RF YO6QDY KN26 (x4)
UTC dB Audio Message 021415 -18 1530 LZ370TL KS4RF EM72 021430 +5 1530 KS4RF LZ370TL -12 015215 -20 737 KS4RF ZS1J -06
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.