YO4CPO — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving YO4CPO, decoded by SO8OO in southeastern Poland. 793 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 35 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-11-05.
These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.
SO8OO decoded 793 FT8 messages attributed to YO4CPO as the transmitting token by decoded message structure across 35 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (55%), followed by 160 m (20%) and 40 m (14%). Most decodes (55%) fell within the six-hour window 23:00-05:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (65%); the estimated median was -4 dB.
Overview
Bands
Last attributed message: 2026-11-05 04:24 UTC
Observed FT8 message patterns
- Attributed sample
- 793 messages
- Active dates
- 35 UTC dates
- Estimated median S/N
- -4 dB
- Estimated 10th-90th percentile
- -18 to +6 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 123, moderate (-15 to -9 dB) 151, strong (≥ -8 dB) 519.
WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with YO4CPO in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to YO4CPO
The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.
- Attributed locator
- KN44 · 386 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 813 km (approx.)
- Last such locator decoded
- 2026-11-05 04:24 UTC
A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.
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 | YO4CPO S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-05 04:24 | 160m | -17 / - | WT3Q | - / - | 2 | Partial capture |
| 11-05 04:19 | 160m | -22 / - | WT3Q | - / - | 2 | Partial capture |
| 11-05 04:18 | 160m | -20 / -23 | ES2AJ | +10 / -6 | 5 | ✓ Full exchange observed |
| 11-05 04:16 | 160m | -16 / -5 | IW4AOT | -3 / -9 | 5 | ✓ Full exchange observed |
| 11-05 04:12 | 40m | -16 / - | HA0AA | - / - | 2 | Partial capture |
| 11-05 04:11 | 40m | -14 / - | OH6FSO | - / -16 | 3 | ✓ Closing fragment |
| 11-05 04:09 | 40m | +4 / -3 | HB9EOT | +4 / -7 | 4 | ✓ Full exchange observed |
| 11-05 04:08 | 40m | +5 / - | OM8AKP | - / -13 | 3 | ✓ Closing fragment |
| 11-05 04:06 | 40m | +5 / - | LA8ENA | - / -1 | 3 | ✓ Closing fragment |
| 11-05 04:05 | 40m | +2 / - | OK2UPG | - / 0 | 2 | ✓ Closing fragment |
| 11-05 04:04 | 40m | -2 / - | CU2DX | - / - | 2 | Partial capture |
| 11-05 04:02 | 40m | +2 / -16 | IU8RFW | +1 / -9 | 14 | ✓ Full exchange observed |
| 11-05 04:00 | 40m | +2 / - | GM6URC | - / -16 | 4 | ✓ Closing fragment |
| 11-05 03:55 | 40m | +1 / - | CU2DX | - / - | 5 | Partial capture |
| 11-05 03:52 | 40m | 0 / - | V31DL | - / - | 4 | Partial capture |
| 11-05 03:49 | 80m | +8 / +4 | DF8RU | +2 / - | 2 | Partial capture |
| 11-05 03:48 | 80m | +9 / -2 | SP8HDC | -4 / -4 | 6 | ✓ Full exchange observed |
| 11-05 03:47 | 80m | +13 / -4 | SP1IWC | +12 / -3 | 5 | ✓ Full exchange observed |
| 11-05 03:41 | 160m | -18 / - | UA6JQ | - / -8 | 2 | ✓ Closing fragment |
| 11-05 03:40 | 160m | -14 / -3 | IU0NAD | -15 / -18 | 6 | ✓ Full exchange observed |
| 11-05 03:40 | 160m | -21 / - | 5B4AMX | -21 / +1 | 3 | ✓ Closing observed |
| 11-04 21:02 | 160m | - / - | HB9CXZ | +7 / - | 8 | Partial capture |
| 11-04 20:59 | 160m | -23 / - | IT9GSF | +2 / -9 | 4 | ✓ Closing observed |
| 11-04 20:55 | 160m | -18 / -20 | TA7MMI | -16 / - | 3 | Partial capture |
| 11-04 20:54 | 160m | -19 / - | JA4LXY | - / -15 | 2 | ✓ Closing fragment |
| 11-04 20:52 | 160m | - / - | S57MPU | +2 / - | 4 | Partial capture |
| 11-04 20:52 | 160m | -16 / - | JA0FSB | - / -18 | 3 | ✓ Closing fragment |
| 11-04 20:51 | 160m | -14 / -13 | E70SZ | -4 / -18 | 4 | ✓ Full exchange observed |
| 11-04 20:45 | 160m | - / -12 | YO2NAA | -5 / - | 5 | ✓ Closing fragment |
| 11-04 20:42 | 160m | -16 / -18 | LX1JX | -4 / - | 6 | ✓ Closing observed |
| 11-04 20:33 | 160m | - / - | S57MPU | +6 / - | 2 | Partial capture |
| 11-04 20:32 | 160m | -14 / +2 | G4XEE | -14 / -11 | 5 | ✓ Full exchange observed |
| 11-04 20:26 | 40m | -12 / - | VJ6X | - / - | 5 | Partial capture |
| 11-04 20:24 | 40m | -9 / - | HS0ZOY | - / -13 | 2 | ✓ Closing fragment |
| 11-04 20:22 | 40m | -1 / - | HL1HG | - / -15 | 3 | ✓ Closing fragment |
| 11-04 20:21 | 40m | -9 / - | HS0ZOY | - / - | 2 | Partial capture |
| 11-04 20:16 | 40m | -11 / - | 5R8IC | - / -21 | 3 | Partial capture |
| 11-04 20:14 | 40m | -12 / -11 | LX1RFJ | -20 / - | 2 | Partial capture |
| 11-04 19:45 | 160m | - / - | S57MPU | +4 / - | 2 | Partial capture |
| 11-04 19:44 | 160m | - / -13 | YT2ZE | -7 / - | 2 | ✓ Closing fragment |
| 11-04 19:41 | 160m | -12 / - | JA4LXY | - / -20 | 2 | Partial capture |
| 11-04 19:38 | 160m | -16 / -6 | E75CC | -3 / -9 | 4 | ✓ Full exchange observed |
| 11-04 19:36 | 160m | -12 / - | JA4LXY | - / -20 | 3 | Partial capture |
| 11-04 19:34 | 160m | -13 / -7 | YL3CW | +6 / -2 | 4 | ✓ Full exchange observed |
| 11-04 19:28 | 160m | -18 / - | JA8FKO | - / - | 3 | Partial capture |
| 11-04 19:28 | 160m | -11 / -15 | DL2YDX | -20 / - | 4 | ✓ Full exchange observed |
| 11-04 19:26 | 160m | -10 / -8 | 9A4ZM | -4 / -14 | 4 | ✓ Full exchange observed |
| 11-04 19:23 | 160m | -20 / -1 | LY2BNL | -16 / - | 3 | ✓ Closing observed |
| 11-04 19:23 | 160m | -19 / -22 | HB9CXZ | 0 / -18 | 14 | ✓ Full exchange observed |
| 11-04 19:22 | 160m | -15 / -19 | OH5KNL | +2 / -12 | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 034230 -12 1896 IU0NAD YO4CPO 73 041630 -14 1719 IW4AOT YO4CPO KN44 041645 -3 2200 YO4CPO IW4AOT -05 041700 -15 1719 IW4AOT YO4CPO R-09 041715 -3 2200 YO4CPO IW4AOT RR73 041730 -18 1719 IW4AOT YO4CPO 73 041815 -24 1719 ES2AJ YO4CPO KN44 041830 +8 1651 YO4CPO ES2AJ -23 041845 -19 1718 ES2AJ YO4CPO R-06 041900 +11 1651 YO4CPO ES2AJ RR73 041915 -17 1719 ES2AJ YO4CPO 73 041945 -24 1719 WT3Q YO4CPO KN44 (x4)
UTC dB Audio Message 040700 +3 2909 YO4CPO IU8RFW JN70 040715 +6 1683 LA8ENA YO4CPO 73 040730 +4 2909 YO4CPO IU8RFW JN70 040800 +4 1682 OM8AKP YO4CPO KN44 (x3) 040930 +1 1682 HB9EOT YO4CPO KN44 040945 +5 468 YO4CPO HB9EOT -03 041000 +8 1682 HB9EOT YO4CPO R-07 041015 +3 468 YO4CPO HB9EOT RR73 041100 -11 1682 OH6FSO YO4CPO KN44 (x3) 041230 -18 1682 HA0AA YO4CPO KN44 (x2)
UTC dB Audio Message 044245 +6 2244 CT7BRV YO4CPO R-14 (x2) 034715 +12 2039 SP1IWC YO4CPO KN44 034730 +9 1106 YO4CPO SP1IWC -04 034745 +12 2038 SP1IWC YO4CPO R-03 034800 +15 1106 YO4CPO SP1IWC RR73 034815 +15 2039 SP1IWC YO4CPO 73 034830 -9 2039 YO4CPO SP8HDC KO00 034845 +12 2039 SP8HDC YO4CPO -04 034900 +0 2039 YO4CPO SP8HDC R-02 034915 +6 2038 SP8HDC YO4CPO 73 034930 -4 2039 YO4CPO SP8HDC R-02 034945 +8 2039 DF8RU YO4CPO KN44 035000 -2 2039 YO4CPO SP8HDC R-02 035030 +2 1502 YO4CPO DF8RU +04
UTC dB Audio Message 153145 +9 841 C91RU YO4CPO KN44 (x3) 153445 +5 1636 7X2KF YO4CPO KN44 (x4) 040200 -24 1951 ZP5DBC YO4CPO KN44 100615 -1 2219 RI1FJL YO4CPO KN44 (x3)
UTC dB Audio Message 052815 -15 967 YO4CPO UB3BCT RR73 070400 -21 2146 YO4CPO DK8EE JO41 (x2)
Decoder S/N history by band
Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.
CW
No CW receptions recorded for this callsign in the last 30 days.
Explore CW reception at SO8OOFT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee