UI5A — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving UI5A, decoded by SO8OO in southeastern Poland. 2,959 related FT8 messages, 68 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 58 UTC dates. Heard between 2026-05-04 and 2026-08-02.
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
2,959
Related messages
68
CQ messages
58
UTC dates heard
-6 dB
Mean decoder S/N
Frequent QSO partners observed at SO8OO
Stations UI5A worked most often, as logged from our receiver:
RW1C
· European Russia ×4
RU3NCW
· European Russia ×3
UF4S
· European Russia ×3
RN3AOE
· European Russia ×3
RU3GF
· European Russia ×3
UE6RU
· European Russia ×3
RA1OD
· European Russia ×3
R1WBW
· European Russia ×3
R2EA
· European Russia ×3
UA3LNM
· European Russia ×3
RU4SS
· European Russia ×3
UB6OAJ
· European Russia ×3
Activity Heatmap
Locator transmitted by UI5A
Approximate centre of KO85, decoded 2026-08-02 21:22 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 | UI5A S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-02 21:22 | 160m | -1 / - | RD8X | 0 / -1 | 5 | ✓ Full exchange observed |
| 08-02 21:18 | 160m | -3 / -6 | GI4SNA | -8 / -10 | 5 | ✓ Full exchange observed |
| 08-02 21:16 | 160m | - / - | IU3WNP | -12 / - | 3 | Partial capture |
| 08-02 21:14 | 160m | -11 / -6 | R2LAF/P | -3 / -2 | 5 | ✓ Full exchange observed |
| 08-02 21:02 | 160m | -1 / - | EA5RR | - / - | 2 | Partial capture |
| 08-02 20:58 | 160m | +2 / -7 | 5Z4AB | -12 / -13 | 2 | Partial capture |
| 08-02 20:32 | 160m | +8 / - | <...> | - / -17 | 2 | Partial capture |
| 08-02 20:19 | 160m | +11 / +4 | RA3LCI | -13 / -1 | 5 | ✓ Full exchange observed |
| 08-02 20:02 | 160m | +5 / -5 | UB4FJB | -12 / -9 | 5 | ✓ Full exchange observed |
| 08-02 20:00 | 160m | +8 / - | R2DYN | - / - | 3 | Partial capture |
| 08-02 19:51 | 160m | +14 / - | UA3ZNQ | -5 / -5 | 4 | ✓ Closing observed |
| 08-02 19:44 | 160m | +6 / -1 | R1WBW | -24 / -14 | 4 | ✓ Full exchange observed |
| 07-31 22:59 | 20m | - / -15 | KP4PW | -8 / - | 2 | ✓ Closing fragment |
| 07-31 22:55 | 20m | - / -12 | AB2E | -10 / - | 3 | Partial capture |
| 07-31 22:45 | 20m | - / -12 | GM3JIM | -20 / - | 2 | Partial capture |
| 07-28 04:51 | 20m | - / -8 | RZ3Z/P | -15 / - | 2 | Partial capture |
| 07-28 04:17 | 20m | - / -18 | RA6FSV | -15 / - | 5 | ✓ Closing fragment |
| 07-28 03:53 | 20m | - / -8 | KE1VT | -10 / - | 2 | ✓ Closing fragment |
| 07-28 03:38 | 20m | - / -9 | W9JOY | -9 / - | 2 | ✓ Closing fragment |
| 07-28 03:23 | 20m | - / -17 | W9JOY | -4 / - | 2 | Partial capture |
| 07-26 22:03 | 80m | +1 / -6 | RL3F | -2 / +1 | 5 | ✓ Full exchange observed |
| 07-26 21:59 | 80m | -4 / - | RG2T | +5 / - | 3 | ✓ Closing observed |
| 07-26 21:51 | 80m | 0 / -4 | DL4KSD | -6 / -14 | 7 | ✓ Full exchange observed |
| 07-26 21:48 | 80m | 0 / - | RX3DQL | -9 / -2 | 5 | ✓ Full exchange observed |
| 07-26 21:37 | 80m | 0 / -15 | EA6LU | -4 / -18 | 5 | ✓ Full exchange observed |
| 07-26 21:28 | 80m | -1 / - | EA6LU | - / - | 2 | Partial capture |
| 07-26 21:21 | 80m | 0 / -4 | UA2KU | +10 / -2 | 5 | ✓ Full exchange observed |
| 07-26 18:28 | 40m | -17 / - | RV3DNP | - / -11 | 2 | ✓ Closing fragment |
| 07-26 18:26 | 40m | -15 / - | R5DC | - / -13 | 3 | ✓ Closing fragment |
| 07-26 18:24 | 40m | -17 / - | R3DIH | -14 / -1 | 3 | Partial capture |
| 07-26 18:23 | 40m | -16 / -6 | RA3ZOM | -9 / - | 4 | ✓ Closing observed |
| 07-26 18:18 | 40m | -17 / - | UB3FDA | - / -10 | 3 | ✓ Closing fragment |
| 07-26 18:16 | 40m | -15 / - | UA3QIN | - / -14 | 3 | ✓ Closing fragment |
| 07-26 18:15 | 40m | -16 / - | R2AL | +7 / -10 | 5 | ✓ Full exchange observed |
| 07-26 18:14 | 40m | -19 / - | RA3VX | - / -9 | 2 | ✓ Closing fragment |
| 07-26 18:13 | 40m | -16 / - | RA1TR | - / -12 | 2 | ✓ Closing fragment |
| 07-26 18:09 | 40m | -16 / - | RU7KQ | -16 / -11 | 3 | ✓ Closing observed |
| 07-26 18:05 | 40m | - / -7 | RA7M | -7 / - | 2 | ✓ Closing fragment |
| 07-26 17:58 | 40m | -16 / -9 | R7NK | -7 / -6 | 3 | ✓ Full exchange observed |
| 07-26 17:57 | 40m | -15 / - | R2AKN | - / -5 | 2 | ✓ Closing fragment |
| 07-26 17:42 | 40m | -16 / - | RA3RTB | - / - | 2 | ✓ Closing fragment |
| 07-26 17:41 | 40m | -16 / - | UB6ZDJ | - / -13 | 2 | ✓ Closing fragment |
| 07-26 17:38 | 40m | -20 / - | RQ3D | - / -20 | 2 | ✓ Closing fragment |
| 07-26 17:34 | 40m | -20 / - | R4DB | - / - | 3 | Partial capture |
| 07-26 17:21 | 40m | -18 / - | RA9CUU | - / - | 2 | ✓ Closing fragment |
| 07-26 17:08 | 40m | -20 / - | R4DB | - / - | 3 | Partial capture |
| 07-26 17:06 | 40m | -15 / - | UB4HVI | - / -18 | 3 | ✓ Closing fragment |
| 07-26 16:58 | 40m | - / -7 | RA5CW | -20 / - | 2 | ✓ Closing fragment |
| 07-26 16:56 | 40m | - / -7 | UB6OCD | -7 / - | 2 | ✓ Closing fragment |
| 07-26 16:52 | 40m | -23 / - | UA6MO | - / -19 | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
160m
UTC dB Audio Message 211530 -1 1110 UI5A R2LAF/P RR73 211545 -9 1483 R2LAF/P UI5A 73 211630 -12 1484 UI5A IU3WNP JN55 (x3) 211800 -2 1483 GI4SNA UI5A KO85 211815 -6 1899 UI5A GI4SNA -06 211830 -5 1483 GI4SNA UI5A R-10 211845 -9 1899 UI5A GI4SNA RR73 211900 -2 1483 GI4SNA UI5A 73 212200 -3 1483 RD8X UI5A KO85 212215 -1 2283 UI5A RD8X +13 212230 -1 1483 RD8X UI5A R-01 212245 +1 2283 UI5A RD8X RR73 212300 +1 1483 RD8X UI5A 73
20m
UTC dB Audio Message 055045 -12 2232 UI5A RM6OB -11 060800 -21 1165 WA7PVE UI5A KO85 060830 -21 1165 WK9M UI5A KO85 061845 -20 1165 W5XO UI5A KO85 224300 -17 1941 UI5A GM3JIM -14 (x3) 224630 -20 1941 UI5A RR73; YV4PPC <...> -06 225100 -13 1941 UI5A GM3JIM RR73 225545 -9 1275 UI5A AB2E -12 (x3) 225945 -9 580 UI5A KP4PW -15 (x2) 230215 -6 2792 UI5A NU1T RR73
80m
UTC dB Audio Message 215100 -6 1439 UI5A DL4KSD JO71 215115 -1 1439 DL4KSD UI5A -14 215130 -5 1439 UI5A DL4KSD R-04 215145 +0 1439 DL4KSD UI5A RR73 215200 -5 1439 UI5A DL4KSD 73 215345 +2 1439 DL4KSD UI5A RR73 215400 -6 1439 UI5A DL4KSD 73 215930 -3 1439 RG2T UI5A KO85 215945 +5 1723 UI5A RG2T +13 220030 -5 1439 RG2T UI5A 73 220345 +0 1439 RL3F UI5A KO85 220400 -2 2114 UI5A RL3F -06 220415 +2 1439 RL3F UI5A R+01 220430 -2 2114 UI5A RL3F RR73 220445 +1 1439 RL3F UI5A 73
40m
UTC dB Audio Message 181945 -16 1472 UB3FDA UI5A 73 182045 -17 1472 RL3F UI5A R-12 182300 -9 1746 UI5A RA3ZOM -06 (x3) 182400 -16 2038 UI5A R3DIH +16 182415 -16 1472 RA3ZOM UI5A 73 182430 -12 2039 UI5A R3DIH +16 182445 -17 1472 R3DIH UI5A R-01 182545 -15 1472 RV3DNP UI5A KO85 182615 -18 1471 R5DC UI5A KO85 (x3) 182815 -18 1472 RV3DNP UI5A R-11 (x2)
10m
UTC dB Audio Message 082645 -5 2494 UI5A RV1CC RR73 083045 -17 1534 RN1TV UI5A KO85 (x2) 083245 -20 1534 R3LC UI5A R-16 (x2) 083615 -24 1534 DL1FAM UI5A RR73 083745 -16 1696 UI5A RW3VA -13 083800 -8 1457 UI5A IZ5JNO -01 083815 -17 1696 UI5A RW3VA RR73 083830 +13 1109 UI5A IZ5JNO -01 083830 -24 1534 RW3VA UI5A 73 083900 +12 1109 UI5A IZ5JNO -01 (x2) 083945 -22 1534 IZ5JNO UI5A 73 084715 -21 1534 RN1TV UI5A KO85
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.