RA4FUP — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RA4FUP, decoded by SO8OO in southeastern Poland. 190 related FT8 messages, 43 CQ messages, observed on 40m, 20m, across 8 UTC dates. Heard between 2026-06-03 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 RA4FUP worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RA4FUP
Approximate centre of LO12, decoded 2026-08-20 19:54 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 | RA4FUP S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-20 19:58 | 40m | - / - | OT8T | -11 / - | 2 | Partial capture |
| 08-20 19:54 | 40m | -5 / -6 | SP5PDA | -10 / - | 3 | ✓ Closing observed |
| 08-20 19:39 | 40m | - / -4 | RA3M | +4 / - | 2 | ✓ Closing fragment |
| 08-20 19:31 | 40m | -6 / -16 | R2FBW | -6 / -11 | 10 | ✓ Full exchange observed |
| 08-20 19:28 | 40m | -7 / -4 | RU3KA | -7 / -5 | 5 | ✓ Full exchange observed |
| 08-20 19:20 | 40m | - / -11 | R4UAS | -13 / - | 3 | ✓ Closing fragment |
| 08-20 19:16 | 40m | -8 / - | RA6LTD | -5 / -6 | 2 | ✓ Closing observed |
| 08-20 19:13 | 40m | - / - | RA6LTD | -6 / - | 2 | Partial capture |
| 08-20 19:12 | 40m | - / - | BG2GWN | -11 / - | 4 | Partial capture |
| 08-20 19:12 | 40m | - / -7 | UB5O/M | -16 / - | 2 | ✓ Closing fragment |
| 08-20 19:06 | 40m | -3 / - | UF5F | - / -6 | 8 | Partial capture |
| 08-20 18:45 | 40m | - / -5 | R4FV | +4 / - | 2 | Partial capture |
| 08-20 18:33 | 40m | - / - | IN3IZQ | -8 / - | 2 | Partial capture |
| 08-20 18:28 | 40m | - / - | DL6ZOG | -3 / - | 2 | Partial capture |
| 08-20 18:28 | 40m | - / - | DL1EDR | +3 / - | 3 | Partial capture |
| 08-20 18:25 | 40m | - / - | F1IQH | -8 / - | 3 | Partial capture |
| 08-20 18:19 | 40m | - / -13 | R4UR | -9 / - | 2 | ✓ Closing fragment |
| 08-20 18:16 | 40m | - / -6 | RN3QTS | -4 / - | 2 | ✓ Closing fragment |
| 08-20 18:15 | 40m | -4 / -3 | UB2FEK | -10 / - | 3 | ✓ Closing observed |
| 08-20 18:13 | 40m | -4 / - | R1IV | - / -7 | 4 | ✓ Closing fragment |
| 08-20 18:09 | 40m | -5 / - | R4DB | - / -3 | 5 | Partial capture |
| 08-20 18:08 | 40m | -11 / - | RA0WBI | - / -12 | 2 | Partial capture |
| 08-20 18:06 | 40m | -2 / - | R6ZCE | -4 / -1 | 3 | ✓ Closing observed |
| 08-17 20:15 | 40m | - / -15 | LA9GX | -2 / - | 2 | ✓ Closing fragment |
| 08-17 20:00 | 40m | - / -18 | UB6ZDJ | -20 / - | 2 | ✓ Closing fragment |
| 08-17 19:52 | 40m | -16 / - | R6FFE | - / -15 | 2 | ✓ Closing fragment |
| 08-17 19:43 | 40m | - / -23 | SP3IPA | -11 / - | 5 | Partial capture |
| 08-17 19:29 | 40m | -12 / - | OJ0JR | - / -12 | 2 | Partial capture |
| 08-16 23:27 | 40m | -18 / - | 9Z4CT | - / -21 | 3 | Partial capture |
| 08-16 23:18 | 40m | -14 / - | 9Z4CT | - / -19 | 6 | Partial capture |
| 08-15 22:49 | 40m | -16 / - | R50RKZ | - / -15 | 2 | Partial capture |
| 08-15 22:32 | 40m | -14 / - | EA5HM | - / -11 | 2 | Partial capture |
| 08-15 22:16 | 40m | -14 / - | D2UY | - / -14 | 6 | Partial capture |
| 08-15 22:11 | 40m | -16 / - | CN8NS | - / -17 | 5 | Partial capture |
| 08-15 21:59 | 40m | -18 / -6 | TF4M | -12 / -12 | 2 | Partial capture |
| 08-14 16:13 | 20m | - / - | EA3GXK | -18 / - | 3 | Partial capture |
| 08-14 08:09 | 20m | - / -18 | ON1DGN | -21 / - | 2 | Partial capture |
| 08-14 07:50 | 20m | - / - | TA3NK | -16 / - | 2 | Partial capture |
| 08-14 07:35 | 20m | - / -14 | PA0LDE | -13 / - | 3 | ✓ Closing fragment |
| 08-14 07:29 | 20m | - / -4 | ON3PDM | -14 / - | 2 | Partial capture |
| 08-14 07:03 | 20m | - / -7 | F4LNM | -10 / - | 2 | Partial capture |
| 08-14 06:45 | 20m | - / - | F4LNM | -15 / - | 5 | Partial capture |
| 06-19 20:31 | 40m | - / -14 | F4NGR | -5 / - | 3 | Partial capture |
| 06-19 20:22 | 40m | - / +8 | RA6AR | -2 / - | 2 | ✓ Closing fragment |
| 06-19 20:19 | 40m | - / - | F4NGR | -11 / - | 4 | Partial capture |
| 06-19 20:16 | 40m | -18 / -8 | R1BNF | -14 / -6 | 4 | ✓ Full exchange observed |
| 06-19 20:02 | 40m | -12 / -19 | EA1CP | +2 / -9 | 4 | ✓ Full exchange observed |
| 06-19 19:58 | 40m | -10 / - | G6LTT | - / -16 | 2 | ✓ Closing fragment |
| 06-04 21:03 | 40m | - / 0 | 4X5JK | -6 / - | 3 | ✓ Closing fragment |
| 06-04 20:59 | 40m | - / - | E70SZ | +1 / - | 6 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 193930 +3 798 RA4FUP RA3M -04 (x2) 194230 +4 743 RA4FUP R0QBB/3 R-01 194645 -8 1064 UA6XT RA4FUP -09 195345 -6 1063 CQ RA4FUP LO12 (x2) 195430 -10 638 RA4FUP SP5PDA -06 (x2) 195515 -5 1064 SP5PDA RA4FUP 73 195715 -4 589 RA4FUP R2EA/P 73 195845 -3 1065 OE2LEX RA4FUP -14 195845 -12 1625 RA4FUP OT8T JO21 195915 -7 1064 RL2F RA4FUP -11 195915 -10 1625 RA4FUP OT8T JO21 200100 +11 2122 RA4FUP R2FDU RR73
UTC dB Audio Message 080400 -19 1755 RA4FUP PA7ZZ JO22 080415 -16 1094 CQ RA4FUP LO12 (x5) 080900 -20 1633 RA4FUP ON1DGN -18 (x2) 081045 -20 1093 CQ RA4FUP LO12 (x3) 161015 -14 1096 RA4FUP EA3GXK IM98 (x4)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.