PD4RFS — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving PD4RFS, decoded by SO8OO in southeastern Poland. 268 related FT8 messages, 135 CQ messages, observed on 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-05-13 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 PD4RFS worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by PD4RFS
Approximate centre of JO21, decoded 2026-08-18 15:00 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 | PD4RFS S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-18 15:00 | 20m | -16 / - | KA9FOX | - / -15 | 3 | ✓ Closing fragment |
| 08-09 07:52 | 20m | -19 / - | UA2FFD | - / - | 3 | Partial capture |
| 08-07 19:52 | 20m | -6 / - | KJ5BXU | - / - | 2 | Partial capture |
| 08-07 19:39 | 20m | -10 / - | K1CXW | - / -21 | 3 | Partial capture |
| 08-07 19:14 | 20m | -16 / - | K0MDS | - / - | 3 | Partial capture |
| 08-07 00:44 | 40m | -17 / - | KW9U | - / - | 3 | Partial capture |
| 08-07 00:41 | 40m | -18 / - | KI4NPG | - / - | 6 | Partial capture |
| 08-07 00:39 | 40m | -19 / - | KQ4WWD | - / -7 | 2 | ✓ Closing fragment |
| 08-07 00:33 | 40m | -19 / - | KD3BMQ | - / - | 7 | Partial capture |
| 08-07 00:30 | 40m | -19 / - | TJ1GD/P | - / -2 | 3 | ✓ Closing fragment |
| 08-07 00:17 | 20m | -15 / - | KC4DPT | - / - | 4 | Partial capture |
| 08-06 23:51 | 20m | -15 / - | W4HTP | - / - | 5 | Partial capture |
| 08-06 23:46 | 20m | -14 / - | KD2UWF | - / - | 8 | Partial capture |
| 08-06 23:43 | 20m | -12 / - | WA2HIP | - / -11 | 3 | Partial capture |
| 08-06 23:41 | 20m | -16 / - | WX4DAT | - / -12 | 2 | Partial capture |
| 08-06 23:37 | 20m | -13 / - | W4UTZ | - / -6 | 6 | Partial capture |
| 08-06 23:34 | 20m | -14 / - | WX4DAT | - / - | 3 | Partial capture |
| 08-06 23:31 | 20m | -14 / - | N1DOU | - / - | 6 | Partial capture |
| 08-06 23:27 | 20m | -14 / - | K7IOC | - / - | 5 | Partial capture |
| 08-06 23:25 | 20m | -10 / - | KC3WOX | - / -10 | 2 | ✓ Closing fragment |
| 08-06 23:23 | 20m | -12 / - | WI9Z | - / -2 | 2 | Partial capture |
| 08-06 23:22 | 20m | -15 / - | K8SJM | - / -7 | 3 | ✓ Closing fragment |
| 08-06 23:18 | 20m | -13 / - | AB9GK | - / - | 5 | Partial capture |
| 08-06 23:06 | 20m | -13 / - | K9XJ | - / -19 | 6 | Partial capture |
| 08-06 23:02 | 20m | -14 / - | KF8WX | - / -16 | 4 | ✓ Closing fragment |
| 08-06 22:57 | 20m | -13 / - | KQ4BOF | - / - | 5 | Partial capture |
| 08-06 16:06 | 20m | -14 / - | WY0V | - / - | 5 | Partial capture |
| 08-06 15:51 | 20m | -17 / - | K2TQC | - / -20 | 3 | Partial capture |
| 08-06 15:23 | 20m | -18 / - | NU1T | - / -18 | 7 | Partial capture |
| 08-05 18:52 | 20m | -15 / - | W3MR | - / -15 | 12 | Partial capture |
| 08-05 18:43 | 20m | -8 / - | <...> | - / - | 6 | Partial capture |
| 08-05 15:13 | 20m | - / -12 | RA6OY | +1 / - | 3 | ✓ Closing fragment |
| 08-05 07:37 | 20m | -16 / - | NL8F | - / - | 2 | Partial capture |
| 08-03 15:29 | 20m | -17 / - | KC1JMF | - / - | 8 | Partial capture |
| 08-03 15:22 | 20m | -12 / - | K1SM | - / - | 5 | Partial capture |
| 08-03 15:06 | 20m | -16 / - | BG7WJH | - / - | 10 | Partial capture |
| 08-02 14:56 | 20m | -22 / - | WA4VLC | - / - | 2 | Partial capture |
| 08-02 08:34 | 20m | -6 / - | HK3W | - / - | 7 | Partial capture |
| 08-01 20:55 | 20m | +4 / - | K1LTJ | - / - | 2 | Partial capture |
| 08-01 20:52 | 20m | -3 / - | N3GTY | - / - | 5 | Partial capture |
| 08-01 20:24 | 20m | +1 / - | KE2FUM | - / -12 | 20 | Partial capture |
| 08-01 20:17 | 20m | 0 / - | KE2CJL | - / -15 | 12 | Partial capture |
| 08-01 19:57 | 20m | -3 / - | KE2FUM | - / - | 29 | Partial capture |
| 08-01 19:40 | 20m | 0 / - | KZ2I | - / -11 | 6 | ✓ Closing fragment |
| 08-01 18:51 | 20m | -15 / - | K4CAE | - / - | 8 | Partial capture |
| 08-01 12:19 | 20m | -18 / - | NS9I | - / - | 7 | Partial capture |
| 08-01 12:16 | 20m | -17 / - | RN2FQ | - / - | 2 | Partial capture |
| 08-01 11:51 | 20m | -6 / - | KD4DRJ | - / -19 | 4 | ✓ Closing fragment |
| 08-01 11:45 | 20m | -5 / - | VA2EHQ | - / -6 | 9 | ✓ Closing fragment |
| 08-01 11:34 | 20m | -2 / - | NX4RH | - / - | 16 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 194100 -12 1757 K1CXW PD4RFS R-21 (x2) 195230 -5 1759 KJ5BXU PD4RFS JO21 (x2) 195930 -8 1759 CQ USA PD4RFS JO21 200100 -7 1759 EA5JYL PD4RFS -11 201300 -13 1758 CQ USA PD4RFS JO21 (x3) 075200 -22 1757 UA2FFD PD4RFS JO21 (x3) 150030 -18 1214 KA9FOX PD4RFS JO21 (x3)
UTC dB Audio Message 003615 -20 1873 KD3BMQ PD4RFS JO21 (x2) 003745 -22 1873 CQ USA PD4RFS JO21 003845 -19 1873 F6FHZ PD4RFS RR73 003915 -20 1873 KQ4WWD PD4RFS -07 (x2) 004115 -18 1873 KI4NPG PD4RFS JO21 (x6) 004445 -14 1873 KW9U PD4RFS JO21 (x3)
UTC dB Audio Message 144145 -16 1218 3A2MW PD4RFS JO21 084415 -20 2091 IH9YMC PD4RFS JO21 (x3) 145045 -22 1769 PU3PAT PD4RFS JO21 151100 -18 1768 OE4DJN PD4RFS JO21 (x4) 151430 -22 1770 Z61DX PD4RFS JO21 (x4) 192145 -24 1772 CE1JRH PD4RFS R-07 192230 -11 1773 PD4RFS IZ0ZIP -01
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.