UA4CX — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UA4CX, decoded by SO8OO in southeastern Poland. 88 related FT8 messages, observed on 160m, 80m, 40m, 20m, 10m, across 9 UTC dates. Heard between 2026-05-28 and 2026-08-06.
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 UA4CX worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by UA4CX
Approximate centre of LO31, decoded 2026-08-06 18:19 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 | UA4CX S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-06 18:20 | 80m | - / - | RA3BY | -2 / - | 2 | Partial capture |
| 08-06 18:20 | 80m | - / -1 | UB6OAJ | 0 / - | 2 | Partial capture |
| 08-06 18:19 | 80m | - / - | RA6ANN | -9 / - | 2 | Partial capture |
| 08-06 18:19 | 80m | -6 / 0 | R2AKN | 0 / 0 | 4 | ✓ Full exchange observed |
| 08-01 04:27 | 20m | -13 / - | R5AV | - / +2 | 2 | Partial capture |
| 06-25 19:31 | 80m | -8 / - | R4DS/P | - / - | 2 | Partial capture |
| 06-25 19:18 | 40m | -16 / - | R4DS/P | - / - | 2 | Partial capture |
| 06-10 14:09 | 20m | -14 / - | <...> | - / -5 | 3 | Partial capture |
| 06-10 12:21 | 20m | - / -16 | IK4TVP | -7 / - | 4 | Partial capture |
| 06-10 12:19 | 20m | - / +5 | UE6DR | +7 / - | 2 | ✓ Closing fragment |
| 06-10 03:21 | 40m | -18 / 0 | <...> | -14 / - | 2 | Partial capture |
| 06-09 19:45 | 160m | -14 / -2 | R3HW/M | -11 / +2 | 4 | Partial capture |
| 06-09 09:56 | 10m | - / -1 | R7DX | +6 / - | 4 | ✓ Closing fragment |
| 06-09 09:56 | 10m | - / +6 | R6FX | -12 / - | 4 | Partial capture |
| 06-09 09:54 | 10m | -24 / 0 | RX3ASP | -10 / - | 3 | ✓ Closing observed |
| 06-09 09:52 | 10m | - / - | R6FX | -11 / - | 3 | Partial capture |
| 06-09 09:52 | 10m | - / - | RU3DNN | -8 / - | 4 | ✓ Closing fragment |
| 06-09 09:51 | 10m | - / +4 | R5AV | -8 / - | 2 | ✓ Closing fragment |
| 06-05 20:10 | 160m | - / - | F4FRC | -14 / - | 2 | Partial capture |
| 06-05 20:09 | 160m | - / -3 | R2AKN | -14 / - | 2 | ✓ Closing fragment |
| 06-05 18:54 | 80m | - / - | RK4FD | +2 / - | 10 | Partial capture |
| 05-29 16:20 | 40m | -14 / - | RA4HL | -8 / - | 2 | ✓ Closing observed |
| 05-29 11:41 | 20m | -3 / - | RI0SP | - / -16 | 6 | Partial capture |
| 05-29 11:34 | 20m | +1 / - | RI0SP | - / - | 8 | Partial capture |
| 05-29 11:24 | 20m | +1 / - | RI0SP | - / -12 | 5 | Partial capture |
| 05-29 11:20 | 20m | -2 / -13 | R5AV | +3 / -11 | 4 | ✓ Full exchange observed |
| 05-28 18:45 | 80m | - / -4 | UA4CKN | -16 / - | 2 | Partial capture |
| 05-28 18:44 | 80m | - / - | R6DOB | 0 / - | 2 | Partial capture |
| 05-28 18:44 | 80m | - / - | RA6ANN | -12 / - | 3 | Partial capture |
| 05-28 18:44 | 80m | - / - | RA6OD | -2 / - | 3 | Partial capture |
| 05-28 18:42 | 80m | - / - | RA4HL | -10 / - | 2 | ✓ Closing fragment |
| 05-28 18:05 | 40m | - / - | RZ5D | -6 / - | 2 | ✓ Closing fragment |
| 05-28 18:05 | 40m | - / -12 | UA1AEL | -10 / - | 2 | Partial capture |
| 05-28 17:20 | 40m | - / - | IK2UVR | -4 / - | 4 | Partial capture |
| 05-28 17:18 | 40m | -18 / +3 | R5AV | -2 / - | 3 | ✓ Closing observed |
| 05-27 08:11 | 20m | +2 / - | RI0SP | - / -11 | 2 | ✓ Closing fragment |
| 05-27 08:07 | 20m | +8 / - | RI0SP | - / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 185830 -1 1049 UA4CX RK4FD LO22 193115 -12 943 R4DS/P UA4CX LO31 (x2) 193200 -3 2157 UA4CX RR73; 4Z5AV <...> -04 181900 -6 765 R2AKN UA4CX LO31 181915 -1 1841 UA4CX R2AKN +00 181930 -7 765 R2AKN UA4CX R+00 181945 -10 1125 UA4CX RA6ANN KN95 181945 +0 1841 UA4CX R2AKN RR73 182045 +2 577 UA4CX UB6OAJ -01 182045 -8 1126 UA4CX RA6ANN KN95 182045 -1 765 UA4CX R4IK +01 182045 +0 1570 UA4CX RA3BY KO75 182115 -2 577 UA4CX UB6OAJ -01 182115 -5 1570 UA4CX RA3BY KO75
UTC dB Audio Message 114400 -5 800 RI0SP UA4CX R-16 (x2) 121430 -6 1029 UE6DR UA4CX LO31 (x2) 121915 +9 1335 UA4CX UE6DR +05 (x2) 122115 -7 2155 UA4CX IK4TVP -16 (x4) 140945 -13 1300 <...> UA4CX LO31 (x3) 042730 -14 846 R5AV UA4CX LO31 (x2)
UTC dB Audio Message 172130 -5 1842 UA4CX IK2UVR JN45 (x2) 180545 -7 965 UA4CX RZ5D RR73 180545 -8 1143 UA4CX UA1AEL -12 180615 -5 965 UA4CX RZ5D RR73 180615 -11 1144 UA4CX UA1AEL -12 162045 -8 2369 UA4CX RA4HL RR73 162100 -14 1043 RA4HL UA4CX 73 031945 -13 1284 R6LFO UA4CX LO31 032115 -18 1284 <...> UA4CX LO31 032200 -14 1199 UA4CX <...> +00 032300 -17 938 UA4CX R2EA -09 032430 -10 2467 UA4CX R6LFO RR73 191815 -16 964 R4DS/P UA4CX LO31 (x2)
UTC dB Audio Message 223700 +2 1292 UA4CX OJ0Z RR73 231900 +2 1372 UA4CX RR73; IV3IRO <...> +00 200945 -14 2145 UA4CX R2AKN -03 (x2) 201045 -16 1932 UA4CX F4FRC JN25 (x2) 201145 +13 1258 UA4CX IK0MHR JN61 194530 -12 973 <R3HW/M> UA4CX LO31 (x2) 194645 -11 1433 UA4CX R3HW/M -02 194700 -15 973 R3HW/M UA4CX R+02 194815 -12 1893 UA4CX RW2Z KO81
UTC dB Audio Message 095230 -4 2293 UA4CX RU3DNN KO96 (x2) 095300 -12 1131 UA4CX R6FX LN14 095400 -10 1962 UA4CX RX3ASP +00 095400 -8 2293 UA4CX RU3DNN 73 095430 -10 1962 UA4CX RX3ASP RR73 095445 -24 1131 RX3ASP UA4CX 73 095600 -10 1131 UA4CX R6FX LN14 (x2) 095630 +4 1750 UA4CX R7DX KN84 095700 -12 1131 UA4CX R6FX R+06 095700 +9 1750 UA4CX R7DX KN84 095730 -15 1131 UA4CX R6FX R+06 095730 +6 1750 UA4CX R7DX R-01 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.