OH5CZ — 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 OH5CZ, decoded by SO8OO in southeastern Poland. 82 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 10 UTC dates in the available aggregate history. Observed between 2026-06-21 and 2026-10-09.
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 82 FT8 messages attributed to OH5CZ as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (35%), followed by 20 m (18%) and 80 m (16%). Most decodes (72%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (63%); the estimated median was -4 dB.
Overview
Bands
Last attributed message: 2026-10-09 19:58 UTC
Observed FT8 message patterns
- Attributed sample
- 82 messages
- Active dates
- 10 UTC dates
- Estimated median S/N
- -4 dB
- Estimated 10th-90th percentile
- -17 to +14 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 12, moderate (-15 to -9 dB) 18, strong (≥ -8 dB) 52.
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 OH5CZ 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 OH5CZ
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
- KP30 · 54 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 1,219 km (approx.)
- Last such locator decoded
- 2026-10-09 19:55 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 | OH5CZ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-09 19:53 | 60m | -2 / - | 9T0MD | - / -12 | 8 | Partial capture |
| 09-07 17:32 | 80m | +7 / - | 9V1YC | - / +8 | 6 | Partial capture |
| 08-30 22:09 | 160m | -12 / - | RI1FJL | - / -17 | 12 | Partial capture |
| 08-25 22:23 | 80m | +10 / - | RI1FJL | - / -10 | 7 | Partial capture |
| 08-25 18:26 | 40m | +10 / -7 | UB6OCP | -7 / +1 | 12 | ✓ Full exchange observed |
| 08-25 18:26 | 40m | +15 / - | JH1CJY | - / -13 | 2 | ✓ Closing fragment |
| 08-25 18:17 | 40m | +12 / - | 5A1AL | - / -3 | 16 | ✓ Closing fragment |
| 08-21 07:18 | 40m | -12 / - | OA4ENG | - / - | 3 | Partial capture |
| 08-21 07:15 | 40m | -16 / - | OJ0JR | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 195315 -2 2382 9T0MD OH5CZ KP30 (x8)
UTC dB Audio Message 222315 +10 2727 RI1FJL OH5CZ KP30 (x7) 173230 +8 893 9V1YC OH5CZ KP30 (x5) 173715 -22 892 OH5CZ OE7CMT JN67 173800 +8 893 9V1YC OH5CZ KP30
UTC dB Audio Message 220945 -20 2476 RI1FJL OH5CZ KP30 (x12)
UTC dB Audio Message 182715 -8 1924 OH5CZ UB6OCP KN88 (x2) 182745 -2 547 OH5CZ LZ2VQ KN23 182815 -2 552 OH5CZ US5ZBR KN57 182815 -7 1924 OH5CZ UB6OCP KN88 182830 +13 548 JH8HIY OH5CZ -07 182845 -4 1924 OH5CZ UB6OCP KN88 (x4) 183045 -1 547 OH5CZ US5ZBR KN57 183045 -7 1925 OH5CZ UB6OCP KN88 183100 +14 548 UB6OCP OH5CZ +01 183115 -5 1925 OH5CZ UB6OCP R-07 183130 +7 548 UB6OCP OH5CZ RR73
UTC dB Audio Message 080830 -19 2339 OH5CZ OH5C/P -07
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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