RA4DX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RA4DX, decoded by SO8OO in southeastern Poland. 241 related FT8 messages, 27 CQ messages, observed on 80m, 40m, 20m, 10m, across 23 UTC dates. Heard between 2026-04-22 and 2026-07-20.
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations RA4DX worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RA4DX
Approximate centre of LO21, decoded 2026-07-30 16:51 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 | RA4DX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-30 16:50 | 20m | +2 / - | CT7AXN | - / -18 | 2 | ✓ Closing fragment |
| 07-30 16:48 | 20m | -5 / - | 3A2MW | - / -13 | 3 | ✓ Closing fragment |
| 07-27 17:31 | 20m | -13 / - | 7Z1BQ | - / - | 4 | Partial capture |
| 07-27 17:26 | 20m | -16 / - | 7Z1BQ | - / - | 4 | Partial capture |
| 07-27 17:21 | 20m | -14 / - | 9J2FI | - / -15 | 3 | Partial capture |
| 07-20 18:32 | 80m | - / - | RZ6ALZ | -7 / - | 2 | Partial capture |
| 07-20 18:30 | 80m | -7 / +4 | R7IA | -11 / -7 | 5 | ✓ Full exchange observed |
| 07-20 18:20 | 80m | -2 / -3 | ER3RR | +9 / +5 | 4 | ✓ Full exchange observed |
| 07-20 18:14 | 80m | +2 / - | RA0SCA | - / - | 2 | Partial capture |
| 07-20 18:07 | 80m | -2 / - | JA8GWA | - / -11 | 3 | ✓ Closing fragment |
| 07-20 18:02 | 80m | -5 / +1 | R3MBV | -8 / - | 6 | ✓ Full exchange observed |
| 07-20 18:00 | 80m | -3 / - | JA0LFV | - / -9 | 3 | ✓ Closing fragment |
| 07-20 16:27 | 40m | - / - | R3MBV | -14 / - | 2 | ✓ Closing fragment |
| 07-19 17:56 | 80m | -12 / - | RA0SCA | - / - | 2 | Partial capture |
| 07-18 18:14 | 80m | - / - | RK6OV | -12 / - | 2 | ✓ Closing fragment |
| 07-18 18:12 | 80m | -16 / - | R1FL/P | - / +9 | 2 | Partial capture |
| 07-18 17:43 | 80m | - / -4 | R7CD | -2 / - | 3 | ✓ Closing fragment |
| 07-18 17:13 | 20m | -8 / - | <...> | - / - | 3 | Partial capture |
| 07-18 15:58 | 20m | -14 / - | TJ1GD/P | - / -11 | 4 | ✓ Closing fragment |
| 07-13 18:06 | 80m | -19 / - | T22TT | - / - | 16 | Partial capture |
| 07-12 17:45 | 20m | -10 / -16 | <...> | -8 / -13 | 5 | ✓ Closing fragment |
| 07-11 18:51 | 20m | -9 / +2 | 9K2YM | -5 / -3 | 6 | ✓ Full exchange observed |
| 06-18 19:08 | 20m | +2 / - | TK4QP | - / - | 2 | Partial capture |
| 06-18 18:54 | 20m | -4 / - | 7Z1BH | - / - | 4 | Partial capture |
| 06-18 18:52 | 20m | +5 / -8 | YO9PH | +12 / -3 | 4 | ✓ Full exchange observed |
| 06-18 18:51 | 20m | +1 / - | LY3PW | - / -5 | 3 | ✓ Closing fragment |
| 06-18 18:47 | 20m | -2 / - | A61CK | - / - | 4 | Partial capture |
| 06-17 19:01 | 40m | - / - | PE1NPS | -4 / - | 2 | Partial capture |
| 06-17 18:54 | 40m | - / - | PA2RO | 0 / - | 2 | Partial capture |
| 06-17 18:53 | 40m | - / -9 | OE1AES | +5 / - | 3 | ✓ Closing fragment |
| 06-17 18:52 | 40m | - / +3 | R6YG | -8 / - | 3 | ✓ Closing fragment |
| 06-17 17:53 | 20m | +1 / - | R6DJR | - / -20 | 2 | ✓ Closing fragment |
| 06-17 03:08 | 20m | - / -14 | KA9FOX | -2 / - | 2 | Partial capture |
| 06-17 02:21 | 40m | - / +3 | Z62NS | 0 / - | 2 | ✓ Closing fragment |
| 06-12 17:48 | 20m | -15 / - | EP2AES | - / -13 | 3 | ✓ Closing fragment |
| 06-06 18:35 | 80m | -6 / - | R6FMK | - / -9 | 2 | ✓ Closing fragment |
| 06-06 18:33 | 80m | -9 / - | R9HBI | - / -11 | 3 | ✓ Closing fragment |
| 06-06 18:31 | 80m | -11 / -1 | RA3LBW | +6 / +1 | 5 | ✓ Full exchange observed |
| 06-06 18:29 | 80m | -9 / -13 | RT4A | -14 / +9 | 5 | ✓ Full exchange observed |
| 06-06 18:19 | 80m | -15 / - | UA9ZZ | - / - | 3 | Partial capture |
| 06-06 18:18 | 80m | - / - | RA6ZD | -7 / - | 2 | Partial capture |
| 06-06 18:16 | 80m | -14 / -7 | RW2Z | -4 / - | 4 | ✓ Closing observed |
| 06-06 18:14 | 80m | -14 / - | R4FDW | - / -7 | 2 | ✓ Closing fragment |
| 06-06 18:13 | 80m | -13 / -6 | HG8LXL | +6 / -5 | 5 | ✓ Full exchange observed |
| 06-06 18:10 | 80m | -12 / - | JA4TKY | - / -16 | 4 | ✓ Closing fragment |
| 06-06 18:08 | 80m | -14 / - | R9FFQ | - / -5 | 2 | Partial capture |
| 06-06 18:06 | 80m | -10 / -10 | E74MG | +5 / -17 | 6 | ✓ Full exchange observed |
| 06-06 18:01 | 80m | -24 / -9 | R6TY | -8 / - | 5 | ✓ Closing observed |
| 06-06 18:00 | 80m | -19 / -5 | R3LAF | -15 / - | 4 | ✓ Closing observed |
| 06-06 18:00 | 80m | -12 / - | UA9ZZ | - / -14 | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 172200 -15 2467 9J2FI RA4DX R-15 172645 -12 2467 7Z1BQ RA4DX LO21 (x8) 164830 +0 515 3A2MW RA4DX LO21 (x3) 165045 +4 515 CT7AXN RA4DX R-18 (x2) 165145 +4 515 9W2DX RA4DX LO21
UTC dB Audio Message 144600 -15 2355 ER5DX RA4DX 73 144645 +1 2355 OJ0MN RA4DX LO21 (x2) 162200 +2 2481 OM0RX RA4DX LO21 (x2) 184215 -23 1735 RA4DX OH1CIN RR73
UTC dB Audio Message 181230 -1 1057 CQ JA RA4DX LO21 181415 +1 1056 RA0SCA RA4DX LO21 (x2) 182015 +0 1056 ER3RR RA4DX LO21 182030 +7 1501 RA4DX ER3RR -03 182045 -4 1056 ER3RR RA4DX R+05 182100 +11 1501 RA4DX ER3RR RR73 183045 -6 1056 R7IA RA4DX LO21 183100 -9 486 RA4DX R7IA +04 183115 -17 1056 R7IA RA4DX R-07 183130 -13 485 RA4DX R7IA RR73 183145 +2 1056 R7IA RA4DX 73 183230 -6 2167 RA4DX RZ6ALZ LN06 183300 -12 1689 RA4DX RA3VX +01 183300 -8 2167 RA4DX RZ6ALZ LN06
UTC dB Audio Message 185200 -15 2650 CQ RA4DX LO21 185215 -7 2650 RA4DX R6YG LN04 (x3) 185315 +4 1538 RA4DX OE1AES JN88 (x2) 185415 +1 2649 RA4DX PA2RO JO22 185415 +5 1538 RA4DX OE1AES 73 185445 -1 2649 RA4DX PA2RO JO22 185545 -10 1622 RA4DX YO4LUP KN43 185730 -13 2663 CQ RA4DX LO21 190145 -6 2442 RA4DX PE1NPS JO22 (x2) 162745 -13 839 RA4DX R3MBV KO97 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.