YO4CVV — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving YO4CVV, decoded by SO8OO in southeastern Poland. 95 related FT8 messages, 7 CQ messages, observed on 80m, 40m, 20m, 10m, across 24 UTC dates. Heard between 2026-05-18 and 2026-08-15.
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 YO4CVV worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by YO4CVV
Approximate centre of KN45, decoded 2026-07-19 18:29 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 | YO4CVV S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-15 12:52 | 10m | - / -2 | SV5BYP | -20 / - | 4 | Partial capture |
| 07-19 18:25 | 20m | -16 / - | <...> | - / -6 | 2 | Partial capture |
| 07-08 05:16 | 40m | -19 / - | <...> | - / - | 3 | Partial capture |
| 07-07 19:18 | 40m | -19 / - | CR7BRV | - / - | 2 | Partial capture |
| 07-07 19:13 | 40m | -20 / +2 | SV1BLD | -4 / - | 6 | ✓ Closing observed |
| 07-04 05:08 | 20m | - / - | SX0W | -18 / - | 2 | ✓ Closing fragment |
| 07-03 17:46 | 40m | -15 / - | <...> | - / - | 5 | Partial capture |
| 07-03 16:07 | 20m | - / -1 | M7INZ | -6 / - | 3 | Partial capture |
| 07-03 15:47 | 20m | - / -5 | UF4S | -17 / - | 2 | ✓ Closing fragment |
| 07-02 09:57 | 10m | - / -6 | TM2WWA | -8 / - | 2 | ✓ Closing fragment |
| 06-29 06:12 | 10m | - / -1 | TM2WWA | +8 / - | 2 | ✓ Closing fragment |
| 06-26 03:23 | 80m | -24 / - | IQ4FE | - / - | 3 | Partial capture |
| 06-26 03:20 | 80m | -16 / - | 9A60CBM | - / - | 3 | Partial capture |
| 06-21 03:51 | 20m | - / 0 | 4Z5PT | -18 / - | 2 | Partial capture |
| 06-21 03:42 | 80m | -15 / - | IQ0VT | - / - | 4 | Partial capture |
| 06-18 05:11 | 20m | - / -19 | <...> | -15 / - | 3 | ✓ Closing fragment |
| 06-15 06:21 | 10m | - / -5 | IQ9BF | -12 / - | 3 | ✓ Closing fragment |
| 06-14 07:03 | 10m | - / -16 | F4HTA | +4 / - | 2 | ✓ Closing fragment |
| 06-14 06:40 | 40m | -18 / -1 | YO5OSF | +2 / +4 | 6 | ✓ Full exchange observed |
| 06-14 06:39 | 40m | -18 / - | <...> | - / - | 2 | Partial capture |
| 06-14 06:11 | 20m | - / -16 | IQ9NI | +2 / - | 2 | ✓ Closing fragment |
| 06-14 05:48 | 40m | -14 / - | <...> | - / - | 4 | Partial capture |
| 06-14 05:44 | 40m | -13 / -1 | R6DZA | -19 / +4 | 5 | ✓ Full exchange observed |
| 06-14 05:40 | 40m | -17 / - | II3DRC | -9 / -14 | 6 | ✓ Closing observed |
| 06-10 17:56 | 10m | -5 / - | CS7BHA | - / - | 2 | Partial capture |
| 06-04 14:04 | 10m | - / -21 | A65DF | -14 / - | 2 | ✓ Closing fragment |
| 06-01 18:07 | 40m | -8 / -1 | IQ0VT | -13 / -6 | 6 | ✓ Full exchange observed |
| 06-01 15:38 | 10m | - / -5 | F1PBZ | -2 / - | 2 | ✓ Closing fragment |
| 06-01 15:21 | 10m | - / - | F4NDC | -4 / - | 3 | Partial capture |
| 05-31 11:57 | 10m | - / -3 | R3KKG | +4 / - | 3 | ✓ Closing fragment |
| 05-31 06:14 | 40m | -14 / - | <...> | - / -7 | 2 | Partial capture |
| 05-30 10:58 | 20m | -19 / -16 | R95WTA | -10 / -9 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 062215 -9 1762 YO4CVV IQ9BF RRR (x2) 082045 -17 1540 YO4CVV TA7ARH RR73 061230 +7 2751 YO4CVV TM2WWA -01 (x2) 170230 -20 1762 4Z5ML YO4CVV RR73 170330 -13 1762 CQ YO4CVV KN45 (x2) 095730 -6 2610 YO4CVV TM2WWA -06 (x2) 175545 -10 1422 YO4CVV IU8ADS RR73 125230 -24 1931 YO4CVV SV5BYP -02 (x4)
UTC dB Audio Message 031630 -17 1126 CQ YO4CVV KN45 153930 -17 1367 YO4CVV PD4RJ -02 154100 +1 1983 YO4CVV TM8WWA -08 (x2) 154700 -17 1598 YO4CVV UF4S -05 (x2) 160730 -5 728 YO4CVV M7INZ -01 (x3) 050800 -17 2077 YO4CVV SX0W RR73 (x2) 182545 -17 2394 <...> YO4CVV KN45 (x2) 182815 -12 2391 OH0/DL1SVA YO4CVV KN45 182945 -17 2240 <...> YO4CVV KN45
UTC dB Audio Message 044745 -20 1198 II8WWA YO4CVV 73 044815 -20 1198 II9WWA YO4CVV KN45 (x2) 062145 -23 1381 <...> YO4CVV KN45 191345 -20 1913 SV1BLD YO4CVV KN45 (x3) 191530 -3 2510 YO4CVV SV1BLD +02 (x2) 191615 -22 1916 SV1BLD YO4CVV 73 191830 -19 1541 CR7BRV YO4CVV KN45 (x2) 051600 -19 1524 <...> YO4CVV KN45 (x3)
UTC dB Audio Message 034215 -13 1191 IQ0VT YO4CVV KN45 (x4) 032030 -24 1378 <9A60CBM> YO4CVV KN45 (x3) 032245 -15 1376 CQ YO4CVV KN45 a1 032330 -24 1376 IQ4FE YO4CVV KN45 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.