R9HDU — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R9HDU, decoded by SO8OO in southeastern Poland. 294 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 49 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 R9HDU worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R9HDU
Approximate centre of NO26, decoded 2026-08-20 17:48 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 | R9HDU S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 15:42 | 40m | - / -13 | R7KM | +5 / - | 4 | Partial capture |
| 08-21 16:30 | 40m | - / -6 | R4PFY | -19 / - | 2 | ✓ Closing fragment |
| 08-17 17:44 | 20m | - / -16 | RA3WPF | -7 / - | 2 | Partial capture |
| 08-16 18:14 | 80m | -22 / +5 | R9CS/P | -2 / - | 3 | ✓ Closing observed |
| 08-16 17:36 | 40m | - / -10 | R6ML | -9 / - | 3 | ✓ Closing fragment |
| 08-16 17:28 | 40m | - / - | R3DMS | -21 / - | 3 | Partial capture |
| 08-14 16:17 | 20m | -6 / - | R0SDM/P | - / - | 4 | Partial capture |
| 08-11 20:02 | 40m | - / - | F6FLU | -4 / - | 2 | Partial capture |
| 08-11 08:36 | 20m | - / -11 | <...> | -13 / - | 2 | Partial capture |
| 08-10 12:06 | 20m | - / - | SV2AEL | -22 / - | 3 | Partial capture |
| 08-03 20:06 | 80m | - / -16 | R2DYC | 0 / - | 3 | ✓ Closing fragment |
| 08-03 20:01 | 80m | -18 / -10 | R2LAF/P | +3 / -12 | 6 | ✓ Full exchange observed |
| 08-01 17:36 | 40m | - / - | LZ2SPD | -19 / - | 2 | Partial capture |
| 07-19 17:36 | 40m | - / -7 | YO4NT | -9 / - | 2 | Partial capture |
| 07-17 12:12 | 10m | - / -19 | EA3EDU | -13 / - | 14 | ✓ Closing fragment |
| 07-12 09:49 | 20m | - / -10 | EW8DU | -18 / - | 5 | ✓ Closing fragment |
| 07-08 19:31 | 80m | - / - | 9A4ZM | +16 / - | 3 | Partial capture |
| 07-05 19:28 | 80m | - / -8 | RT2P | -5 / - | 3 | ✓ Closing fragment |
| 07-05 19:26 | 80m | - / -11 | RK4HS | -14 / - | 3 | ✓ Closing fragment |
| 07-05 04:42 | 20m | - / +6 | UP7WWA | -22 / - | 2 | Partial capture |
| 07-05 04:28 | 20m | - / -5 | UP7WWA | -10 / - | 2 | Partial capture |
| 07-04 20:06 | 40m | - / - | IK0HBN | -14 / - | 3 | Partial capture |
| 07-03 20:57 | 20m | - / -9 | CR2WWA | -11 / - | 2 | ✓ Closing fragment |
| 07-03 20:30 | 40m | - / -16 | TM2WWA | -8 / - | 2 | ✓ Closing fragment |
| 07-03 20:23 | 80m | - / -15 | SN4WWA | +2 / - | 4 | ✓ Closing fragment |
| 07-03 19:48 | 40m | - / - | F5RRS | -15 / - | 3 | Partial capture |
| 07-03 19:39 | 40m | - / -12 | DA0WWA | -8 / - | 2 | ✓ Closing fragment |
| 07-03 19:32 | 40m | - / - | RA3VX | -22 / - | 2 | Partial capture |
| 07-03 00:54 | 40m | - / -8 | OH5WWA | -20 / - | 2 | ✓ Closing fragment |
| 07-02 20:42 | 40m | - / -14 | GB2WWA | -12 / - | 2 | ✓ Closing fragment |
| 07-02 20:32 | 40m | - / -8 | II6WWA | -17 / - | 2 | ✓ Closing fragment |
| 07-02 20:05 | 40m | - / -9 | TM2WWA | -6 / - | 2 | ✓ Closing fragment |
| 07-02 20:03 | 40m | - / -9 | II0WWA | -8 / - | 2 | ✓ Closing fragment |
| 07-02 19:38 | 40m | - / -17 | II2WWA | -12 / - | 3 | ✓ Closing fragment |
| 06-30 20:33 | 80m | -17 / - | II3WWA | - / - | 5 | Partial capture |
| 06-30 19:55 | 40m | - / -19 | TM2WWA | -10 / - | 2 | Partial capture |
| 06-30 19:45 | 40m | - / - | UB3YGA | -8 / - | 2 | Partial capture |
| 06-30 19:22 | 40m | - / -10 | II5WWA | -13 / - | 3 | ✓ Closing fragment |
| 06-30 19:20 | 40m | - / -15 | DK7ZT | -16 / - | 3 | Partial capture |
| 06-30 19:17 | 40m | - / - | F5RRS | -13 / - | 4 | Partial capture |
| 06-30 19:15 | 40m | - / -10 | II3WWA | -10 / - | 3 | ✓ Closing fragment |
| 06-30 17:03 | 20m | - / -15 | II7WWA | -15 / - | 3 | Partial capture |
| 06-29 19:26 | 80m | - / -10 | R3NBL | -15 / - | 2 | ✓ Closing fragment |
| 06-29 17:22 | 20m | - / -15 | SN4WWA | -1 / - | 2 | ✓ Closing fragment |
| 06-29 07:21 | 10m | - / -10 | II6WWA | +10 / - | 2 | ✓ Closing fragment |
| 06-29 06:58 | 10m | - / -21 | II9WWA | -19 / - | 2 | Partial capture |
| 06-19 18:21 | 80m | - / -9 | UA3QHF | -12 / - | 2 | ✓ Closing fragment |
| 06-18 12:21 | 20m | - / -1 | R9CS/P | -10 / - | 2 | ✓ Closing fragment |
| 06-18 09:33 | 10m | - / -14 | D2UY | -12 / - | 2 | ✓ Closing fragment |
| 06-18 07:57 | 10m | - / -18 | 7Q5MP | -4 / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200400 -19 1408 R9HDU UA7XA RR73 172800 -23 1429 R9HDU R3DMS KO85 (x3) 173615 -10 1094 R9HDU R6ML LN17 (x3) 173745 -15 1094 R9HDU HG6IOM JN97 163000 -20 1358 R9HDU R4PFY -06 (x2) 154100 -3 1163 R9HDU R1530IG -04 154230 +6 2588 R9HDU R7KM -13 (x4)
UTC dB Audio Message 083600 -12 2101 R9HDU <...> -11 (x3) 094130 -15 2102 R9HDU RR73; R2EA <...> +12 161745 -8 2832 R0SDM/P R9HDU NO26 (x4) 174400 -10 2796 R9HDU RA3WPF -16 (x2) 164830 -14 2378 R9HDU M1WLK IO82 173330 -11 2942 R9HDU R3DFE/M -08 173715 -10 2783 <...> R9HDU NO26 174845 -8 2785 <8B81JB> R9HDU NO26 175200 +8 1137 R9HDU F4IVG -18
UTC dB Audio Message 193100 -1 2352 R9HDU RK3DWA/3 -14 190515 -10 795 R9HDU R1NO RR73 200145 -21 1393 R2LAF/P R9HDU NO26 200230 +0 1111 R9HDU R2LAF/P -10 (x2) 200415 -16 1392 R2LAF/P R9HDU R-12 (x2) 200500 +5 1110 R9HDU R2LAF/P RR73 200630 +0 1741 R9HDU R2DYC -16 (x3) 202500 -10 2462 R9HDU RO2E/M -11 181415 -22 1611 R9CS/P R9HDU NO26 181430 -3 2467 R9HDU R9CS/P +05 (x2)
UTC dB Audio Message 121245 -16 1453 R9HDU EA3EDU JN01 (x14) 122415 -10 2699 R9HDU R6OD 73
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.