SV1OCA — 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 SV1OCA, decoded by SO8OO in southeastern Poland. 38 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-14 and 2026-11-02.
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 38 FT8 messages attributed to SV1OCA as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (89%), followed by 40 m (5%) and 20 m (3%). Several six-hour UTC windows tied for the largest share (95%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.
Overview
Bands
Last attributed message: 2026-11-02 20:25 UTC
Observed FT8 message patterns
- Attributed sample
- 38 messages
- Active dates
- 6 UTC dates
- Estimated median S/N
- -15 dB
- Estimated 10th-90th percentile
- -24 to -9 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 19, strong (≥ -8 dB) 3.
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 SV1OCA 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 SV1OCA
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
- KM17 · 33 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,386 km (approx.)
- Last such locator decoded
- 2026-11-02 20:25 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 | SV1OCA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 11-02 20:23 | 40m | -14 / - | JR1FYS | - / - | 2 | Partial capture |
| 10-29 20:36 | 80m | - / - | 9A2WA | -16 / - | 2 | Partial capture |
| 10-29 20:35 | 80m | - / - | IU3ULH | -6 / - | 3 | Partial capture |
| 10-29 20:08 | 80m | -24 / - | JE7JDL | - / - | 2 | Partial capture |
| 10-29 19:54 | 80m | -14 / - | JJ3JHP | - / - | 3 | Partial capture |
| 10-29 19:40 | 80m | -20 / - | JJ3JHP | - / - | 4 | Partial capture |
| 10-23 20:46 | 80m | - / - | OE6TNO | +12 / - | 4 | Partial capture |
| 10-23 20:32 | 80m | -24 / -16 | JR1IZM | -12 / - | 2 | Partial capture |
| 08-21 19:59 | 80m | -12 / -15 | JF1FSR | -10 / -18 | 24 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 202345 -12 1460 JR1FYS SV1OCA KM17 (x2)
UTC dB Audio Message 195300 -13 862 CQ JA SV1OCA KM17 195400 -15 737 JJ3JHP SV1OCA KM17 (x3) 195545 -11 302 SV1OCA EA1KCU IN62 200300 -16 2187 TF4M SV1OCA KM17 200845 -24 1848 JE7JDL SV1OCA KM17 (x2) 203500 -3 745 SV1OCA IU3ULH JN55 203515 -16 745 CQ JA SV1OCA KM17 203530 -10 745 SV1OCA IU3ULH JN55 (x2) 203600 -19 2545 SV1OCA 9A2WA JN83 (x2) 203815 -16 745 JR3REX SV1OCA KM17
UTC dB Audio Message 111330 -20 1238 9J2FI SV1OCA KM17
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.
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