YO5USA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YO5USA, decoded by SO8OO in southeastern Poland. 477 related FT8 messages, 51 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 50 UTC dates. Heard between 2026-05-22 and 2026-08-19.
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 YO5USA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YO5USA
Approximate centre of KN16, decoded 2026-08-22 21:00 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 | YO5USA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 20:57 | 80m | 0 / - | KD0NDU | - / - | 7 | Partial capture |
| 08-22 20:53 | 160m | -6 / - | IZ3GOG | - / - | 4 | Partial capture |
| 08-22 20:49 | 160m | -4 / - | PA3FR | - / - | 3 | Partial capture |
| 08-15 21:40 | 160m | 0 / -5 | OK6AB | +4 / - | 5 | ✓ Full exchange observed |
| 08-15 21:37 | 160m | +1 / - | EB3GHN | - / - | 4 | Partial capture |
| 08-15 21:31 | 160m | - / -2 | UT6HN | -4 / - | 3 | Partial capture |
| 08-15 21:30 | 160m | -2 / -15 | SP1MGM | +3 / - | 14 | ✓ Full exchange observed |
| 08-15 21:21 | 160m | -6 / -18 | F4DVO | -7 / +7 | 21 | ✓ Full exchange observed |
| 08-15 20:26 | 160m | - / - | SQ2BXI | +20 / - | 6 | Partial capture |
| 08-15 20:25 | 160m | 0 / - | RA9CMO | - / - | 5 | Partial capture |
| 08-15 20:23 | 160m | - / - | SQ2BXI | +20 / - | 3 | Partial capture |
| 08-15 20:22 | 160m | - / - | PA3FR | -8 / - | 5 | Partial capture |
| 08-15 20:22 | 160m | +1 / -5 | RW3SK | -5 / - | 4 | ✓ Full exchange observed |
| 08-14 21:36 | 80m | +2 / - | <...> | - / - | 2 | Partial capture |
| 08-12 21:11 | 160m | - / - | OE8RPK | -18 / - | 4 | Partial capture |
| 08-12 21:11 | 160m | +2 / -7 | SP2LLP | -4 / - | 5 | ✓ Full exchange observed |
| 08-12 21:01 | 80m | -2 / - | CT3MD | - / - | 2 | Partial capture |
| 08-12 02:23 | 80m | +4 / - | <...> | +4 / - | 3 | Partial capture |
| 08-11 19:53 | 160m | - / - | R3ZP | 0 / - | 2 | Partial capture |
| 08-11 18:38 | 160m | -5 / - | <...> | - / - | 5 | Partial capture |
| 08-11 18:33 | 80m | -4 / +1 | R3ZP | -2 / -2 | 6 | ✓ Full exchange observed |
| 08-11 18:31 | 80m | +2 / - | <...> | - / - | 3 | Partial capture |
| 08-11 01:23 | 160m | -2 / - | OH0ERF | - / - | 35 | Partial capture |
| 08-10 23:43 | 160m | -1 / - | OH0ERF | - / - | 34 | Partial capture |
| 08-10 22:58 | 160m | -3 / - | OH0ERF | - / - | 29 | Partial capture |
| 08-10 22:52 | 160m | -12 / - | OH0ERF | - / - | 7 | Partial capture |
| 08-10 22:47 | 160m | -12 / - | OH0ERF | - / - | 6 | Partial capture |
| 08-10 22:34 | 160m | -15 / - | RY6O | -16 / 0 | 3 | Partial capture |
| 08-10 22:26 | 160m | -3 / - | OH0ERF | - / - | 13 | Partial capture |
| 08-10 22:16 | 160m | -3 / - | OH0ERF | - / - | 11 | Partial capture |
| 08-10 22:03 | 160m | -2 / - | OH0ERF | - / - | 15 | Partial capture |
| 08-10 21:24 | 160m | -2 / -19 | OH0ERF | -18 / +1 | 45 | Partial capture |
| 08-10 20:49 | 40m | -13 / - | <...> | - / - | 4 | Partial capture |
| 08-10 20:38 | 160m | - / - | DL4KSD | -14 / - | 3 | Partial capture |
| 08-10 20:26 | 160m | -4 / - | OH0ERF | - / - | 26 | Partial capture |
| 08-10 19:39 | 160m | -5 / - | R2SN | - / - | 3 | Partial capture |
| 08-10 19:31 | 160m | -4 / - | <...> | - / - | 9 | Partial capture |
| 08-10 19:22 | 60m | - / -10 | SP6EFY | +6 / - | 2 | Partial capture |
| 08-10 19:19 | 60m | -9 / -5 | HG25CCS | +2 / - | 6 | Partial capture |
| 08-10 19:08 | 60m | 0 / - | <...> | - / - | 2 | Partial capture |
| 08-10 18:58 | 60m | -16 / -1 | OM5JG | +5 / - | 7 | ✓ Full exchange observed |
| 08-10 06:48 | 10m | - / -7 | R2EA | -16 / - | 2 | Partial capture |
| 08-09 21:27 | 80m | -2 / - | TF4M | -9 / +2 | 5 | ✓ Closing observed |
| 08-08 21:22 | 160m | -10 / - | OM0RX | - / - | 4 | Partial capture |
| 08-08 21:12 | 160m | -11 / -19 | IU5TUD | -17 / +3 | 14 | ✓ Full exchange observed |
| 08-08 21:06 | 160m | -7 / -11 | HA5AIL | -2 / - | 6 | ✓ Full exchange observed |
| 08-08 19:51 | 160m | -12 / - | UG5F | - / - | 5 | Partial capture |
| 08-08 19:38 | 60m | -12 / - | <...> | -10 / +8 | 3 | Partial capture |
| 08-04 20:15 | 80m | +2 / - | EA8AJ | - / - | 12 | Partial capture |
| 08-04 20:10 | 60m | - / -4 | OZ5AGJ | -10 / - | 4 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 022345 +5 1603 <...> YO5USA KN16 022400 +4 1334 YO5USA <...> +18 022415 +4 1604 <...> YO5USA R+29 210115 -6 1604 CT3MD YO5USA KN16 (x2) 213600 +1 1603 <...> YO5USA KN16 213615 +3 1298 YO5USA YO1BRANCUSI +11 213630 +2 1603 <...> YO5USA R+29 205745 -4 1603 KD0NDU YO5USA KN16 (x7)
UTC dB Audio Message 214130 +4 1597 YO5USA OK6AB 73 214415 -3 1597 CQ YO5USA KN16 (x7) 204945 -4 1597 PA3FR YO5USA KN16 (x3) 205315 -8 1596 IZ3GOG YO5USA KN16 (x4)
UTC dB Audio Message 194715 -22 1638 RK9UM YO5USA RR73 194730 -22 1638 YO5USA RK9UM 73 171545 -24 1639 YH7AM YO5USA KN16 171915 -18 1639 YH4SA YO5USA KN16 182315 -22 1637 LZ3HG YO5USA R+26 (x2) 211545 -11 1492 YO5USA EI8HT -07 (x2) 211800 -16 1701 YO5USA M0MLS -11 (x2) 204915 -13 1638 <...> YO5USA KN16 (x4) 205130 -16 1334 YO5USA HG25CCS -07
UTC dB Audio Message 185900 -17 1632 OM5JG YO5USA R+11 185915 +5 1200 YO5USA OM5JG RR73 (x2) 190815 -1 1632 <...> YO5USA KN16 (x2) 190915 +0 1633 <HG25CCS> YO5USA KN16 (x6) 192100 +2 1351 YO5USA HG25CCS -05 192115 -10 1632 HG25CCS YO5USA R+32 192230 +5 1061 YO5USA SP6EFY -10 (x2)
UTC dB Audio Message 070700 -4 760 YO5USA SV2CLJ KN10 134400 -24 1826 YO5USA SV1EAG RR73 055245 -20 1400 YO5USA SV9TRN RR73 085330 -23 1485 YO5USA DL9KM JN68 (x2) 081600 -20 1744 YO5USA RR73; UR3CFC <...> +06 203115 -16 1714 YO5USA F2JD -19 (x2) 175800 -6 1766 YO5USA DO6LE -16 105600 -20 1722 YO5USA SM2LIY KP04 (x2) 181700 +3 1396 YO5USA CT3MD +07 (x2) 064815 -14 2138 YO5USA R2EA -07 (x2)
UTC dB Audio Message 214230 -15 1801 YO5USA TL8GD -12 184800 -23 1675 3A2MW YO5USA KN16 090600 -5 1777 YO5USA CN2DX -02 144600 -14 1704 YO5USA GU4WRP RR73 063830 -8 1434 YO5USA K2K -16 080815 -13 1495 YO5USA SV2HTW +06 (x2) 104330 -10 1676 W3P YO5USA KN16 (x3) 104545 -17 2034 YO5USA PD1ADA JO21 (x5)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.