R4CHN — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving R4CHN, decoded by SO8OO in southeastern Poland. 4,719 related FT8 messages, 3,530 CQ messages, observed on 80m, 40m, 20m, 10m, across 81 UTC dates. Heard between 2026-05-26 and 2026-08-24.
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 R4CHN worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by R4CHN
Approximate centre of LO31, decoded 2026-08-23 15:53 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 | R4CHN S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 15:00 | 20m | - / -1 | R9HFA | -8 / - | 2 | Partial capture |
| 08-23 14:21 | 20m | - / - | R6OV | -7 / - | 2 | Partial capture |
| 08-23 14:02 | 20m | - / - | YU7DES | +12 / - | 2 | Partial capture |
| 08-23 11:43 | 20m | - / -10 | IK4LZH | +5 / - | 3 | ✓ Closing fragment |
| 08-23 10:18 | 20m | - / -18 | ON1AJ | +2 / - | 2 | Partial capture |
| 08-23 10:18 | 20m | - / - | UD6AWJ | +2 / - | 2 | Partial capture |
| 08-22 15:11 | 20m | -13 / -17 | UI6O | -13 / -16 | 5 | ✓ Full exchange observed |
| 08-22 14:58 | 20m | - / - | DL2BU | +6 / - | 2 | Partial capture |
| 08-22 13:58 | 20m | - / -15 | A71AT | +3 / - | 3 | ✓ Closing fragment |
| 08-22 08:25 | 20m | - / -16 | LZ1BT | -3 / - | 3 | Partial capture |
| 08-22 08:05 | 20m | - / -16 | R6DOB/M | -5 / - | 3 | ✓ Closing fragment |
| 08-22 07:59 | 20m | -14 / - | UF4S/P | - / -6 | 2 | Partial capture |
| 08-20 16:49 | 20m | - / - | PD3Q | -4 / - | 3 | Partial capture |
| 08-20 16:41 | 20m | 0 / - | SP5CTY | - / -3 | 2 | ✓ Closing fragment |
| 08-20 16:10 | 20m | +2 / - | BA4II | - / -15 | 2 | Partial capture |
| 08-20 15:51 | 20m | - / - | VU2FR | -17 / - | 3 | Partial capture |
| 08-20 15:30 | 20m | -2 / - | SP6AMI | - / -2 | 2 | Partial capture |
| 08-20 15:25 | 20m | -6 / - | UA9YHA | -11 / -4 | 4 | ✓ Closing observed |
| 08-20 15:14 | 20m | -3 / -8 | PA1PXL | -7 / -6 | 7 | ✓ Full exchange observed |
| 08-20 14:39 | 20m | -7 / - | R3PLN/P | - / - | 5 | Partial capture |
| 08-19 19:10 | 20m | -5 / +6 | F5SJC | +10 / -7 | 4 | ✓ Full exchange observed |
| 08-19 19:02 | 20m | - / -2 | M7EOI | -2 / - | 4 | ✓ Closing fragment |
| 08-19 18:16 | 20m | +6 / -4 | M7HET | -7 / -3 | 6 | Partial capture |
| 08-19 18:12 | 20m | 0 / - | ON4LDZ | - / -13 | 2 | ✓ Closing fragment |
| 08-19 18:09 | 20m | - / - | M7HET | -10 / - | 4 | Partial capture |
| 08-19 17:56 | 20m | -1 / - | F4VTR | - / -10 | 2 | ✓ Closing fragment |
| 08-19 17:18 | 20m | - / -10 | F1SZC | +1 / - | 3 | ✓ Closing fragment |
| 08-18 18:50 | 40m | - / +7 | UA3PTK | -14 / - | 3 | ✓ Closing fragment |
| 08-18 17:56 | 40m | - / -11 | RA6YDX | -6 / - | 3 | ✓ Closing fragment |
| 08-18 15:02 | 20m | - / - | G3ZJQ | -12 / - | 3 | Partial capture |
| 08-18 14:44 | 20m | -2 / - | SA0MIR | - / -11 | 3 | ✓ Closing fragment |
| 08-18 14:29 | 20m | - / - | TA3NK | -19 / - | 2 | Partial capture |
| 08-16 18:42 | 20m | -6 / - | RU3XW | - / -4 | 2 | ✓ Closing fragment |
| 08-16 18:19 | 20m | -3 / - | <...> | - / - | 4 | Partial capture |
| 08-16 15:45 | 20m | - / -12 | PD2WL | -8 / - | 6 | Partial capture |
| 08-16 15:06 | 20m | -6 / - | BA4SGR | - / -15 | 2 | ✓ Closing fragment |
| 08-16 14:30 | 20m | -14 / - | BA4UCC | - / -16 | 2 | Partial capture |
| 08-16 14:14 | 20m | -12 / - | UK8FCM | - / -7 | 2 | ✓ Closing fragment |
| 08-16 10:06 | 20m | - / - | DL1R | +1 / - | 9 | Partial capture |
| 08-14 21:46 | 80m | - / -14 | F1PBZ | -4 / - | 4 | Partial capture |
| 08-14 21:06 | 80m | -14 / -16 | RA1AUS/P | -2 / -13 | 13 | ✓ Full exchange observed |
| 08-14 21:05 | 80m | - / -15 | F1PBZ | +6 / - | 2 | Partial capture |
| 08-14 21:00 | 80m | -13 / -6 | OH1NOA | 0 / -15 | 5 | Partial capture |
| 08-14 20:58 | 80m | - / +2 | US1EA | +1 / - | 3 | ✓ Closing fragment |
| 08-14 20:31 | 40m | - / - | YU1WT | -20 / - | 2 | Partial capture |
| 08-14 20:26 | 40m | -17 / -11 | GJ0KYZ | -8 / -15 | 4 | ✓ Full exchange observed |
| 08-14 20:09 | 40m | - / -16 | LA8DRA | -17 / - | 2 | Partial capture |
| 08-14 20:01 | 40m | - / - | SM7JKW | -5 / - | 3 | Partial capture |
| 08-14 19:29 | 40m | - / -18 | DG5PW | -12 / - | 2 | Partial capture |
| 08-14 19:09 | 40m | - / - | IU5VLR | -13 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 203200 -20 1485 R4CHN YU1WT KN04 205230 -24 1618 R4CHN UI6O KN87 (x2) 173945 -21 2141 CQ R4CHN LO31 175300 -20 1337 R4CHN RA3WPF 73 175600 -11 687 R4CHN RA6YDX LN04 (x3) 185030 -14 2438 R4CHN UA3PTK KO93 (x3) 200630 -24 1535 R4CHN IU5VLR R-11 203915 -22 2136 CQ R4CHN LO31 212000 -23 1585 R4CHN UI6O 73 161330 -17 2300 R4CHN R5GG R-05
UTC dB Audio Message 153600 -12 2578 CQ R4CHN LO31 (x15)
UTC dB Audio Message 215645 -10 1956 CQ R4CHN LO31 (x13) 220300 -15 2010 R4CHN TF3VS HP94 220315 -8 1955 CQ R4CHN LO31
UTC dB Audio Message 082400 -13 617 R4CHN RA5AK -04 (x2) 084400 +3 1100 R4CHN ON2RX JO20 053230 -20 2296 R4CHN <...> -20 (x2) 053830 -20 1187 R4CHN RW3RN R-19 (x2) 055330 -17 2090 R4CHN RA1N R-02 (x2) 142830 -15 2087 R4CHN RA6AR KN93 (x2) 151830 -11 1150 R4CHN RN6MA -03 (x3) 152930 +2 2939 R4CHN R3LC KO64
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.