ZP5DVD — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving ZP5DVD, decoded by SO8OO in southeastern Poland. 70 FT8 messages attributed to this token as transmitter, on 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-08-19 and 2026-08-29.
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 70 FT8 messages attributed to ZP5DVD as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Most decodes (100%) fell within the six-hour window 21:00-03:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's weak S/N range (64%); the estimated median was -16 dB.
Overview
Observed FT8 message patterns
- Attributed sample
- 70 messages
- Active dates
- 4 UTC dates
- Estimated median S/N
- -16 dB
- Estimated 10th-90th percentile
- -19 to -14 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 45, moderate (-15 to -9 dB) 25, strong (≥ -8 dB) 0.
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 ZP5DVD 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 ZP5DVD
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
- GG14 · 18 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 11,398 km (approx.)
- Last such locator decoded
- 2026-08-29 21:43 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 | ZP5DVD S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-28 00:42 | 20m | -19 / -5 | SP8MO | -7 / - | 5 | ✓ Closing observed |
| 08-25 02:33 | 20m | - / - | DL3HN | -2 / - | 66 | Partial capture |
| 08-25 02:26 | 20m | -14 / -3 | F4ASA | 0 / -3 | 4 | ✓ Full exchange observed |
| 08-25 02:23 | 20m | - / - | W3UNX | -7 / - | 4 | Partial capture |
| 08-25 02:19 | 20m | - / - | PR8ZX | 0 / - | 4 | Partial capture |
| 08-25 02:19 | 20m | - / - | W3UNX | -12 / - | 2 | Partial capture |
| 08-25 02:13 | 20m | - / - | XQ1KK | 0 / - | 4 | Partial capture |
| 08-25 02:03 | 20m | -15 / - | R8AGW | - / -3 | 3 | ✓ Closing fragment |
| 08-25 02:01 | 20m | - / - | KQ4RLN | -16 / - | 3 | Partial capture |
| 08-25 01:51 | 20m | -15 / - | RX6LG | - / -20 | 2 | Partial capture |
| 08-25 01:50 | 20m | -16 / - | W4TME | -20 / -5 | 5 | Partial capture |
| 08-25 01:49 | 20m | -15 / - | KE2BQJ | - / -10 | 2 | ✓ Closing fragment |
| 08-25 01:45 | 20m | -16 / - | N3VLF | - / -12 | 2 | ✓ Closing fragment |
| 08-25 01:43 | 20m | -17 / - | RX6LG | - / -17 | 3 | Partial capture |
| 08-25 01:37 | 20m | - / +9 | KA1DCB | -16 / - | 2 | Partial capture |
| 08-25 01:35 | 20m | -18 / - | VA3MBT | - / -13 | 2 | Partial capture |
| 08-25 01:35 | 20m | - / - | AI4ZD | -11 / - | 3 | Partial capture |
| 08-25 01:31 | 20m | -18 / - | VA3TBW | - / -1 | 2 | ✓ Closing fragment |
| 08-25 01:28 | 20m | - / -13 | W4DR | -16 / - | 3 | Partial capture |
| 08-25 01:25 | 20m | - / - | W4UTZ | -20 / - | 2 | Partial capture |
| 08-25 01:23 | 20m | -18 / - | W8JR | - / -4 | 4 | ✓ Closing fragment |
| 08-25 00:49 | 20m | - / - | WA3JBO | -16 / - | 2 | Partial capture |
| 08-25 00:38 | 20m | - / - | PA4PA | -2 / - | 2 | Partial capture |
| 08-25 00:36 | 20m | - / - | XQ1KK | +3 / - | 11 | Partial capture |
| 08-25 00:35 | 20m | - / - | PR8ZX | -4 / - | 3 | Partial capture |
| 08-25 00:33 | 20m | - / - | PE1OBL | -12 / - | 3 | Partial capture |
| 08-23 22:16 | 20m | - / - | BH5HRO | -19 / - | 2 | Partial capture |
| 08-19 23:57 | 20m | -17 / - | DL1R | - / -16 | 3 | Partial capture |
| 08-19 23:52 | 20m | - / - | DL6RS | -4 / - | 4 | Partial capture |
| 08-19 23:51 | 20m | -15 / - | EI9IB | - / -7 | 2 | ✓ Closing fragment |
| 08-19 23:50 | 20m | - / - | EA5W | -11 / - | 5 | Partial capture |
| 08-19 23:49 | 20m | -16 / - | YU2MMT | - / -15 | 2 | Partial capture |
| 08-19 23:44 | 20m | -14 / - | SN5JU | - / -11 | 2 | ✓ Closing fragment |
| 08-19 23:43 | 20m | - / - | PD2TX | -18 / - | 2 | Partial capture |
| 08-19 23:42 | 20m | -15 / -18 | NF3R | -20 / -14 | 7 | Partial capture |
| 08-16 22:40 | 20m | - / -24 | IS0KNY | -18 / - | 5 | Partial capture |
| 08-16 22:37 | 20m | - / - | EW4DX | -2 / - | 13 | Partial capture |
| 08-16 22:37 | 20m | - / -12 | W1CCO | -23 / - | 3 | Partial capture |
| 08-16 22:36 | 20m | - / - | TA1CCM | -21 / - | 3 | Partial capture |
| 08-16 22:34 | 20m | - / -16 | DA0LH | -6 / - | 2 | ✓ Closing fragment |
| 08-16 22:34 | 20m | - / - | W1CCO | -21 / - | 2 | Partial capture |
| 08-16 22:33 | 20m | - / - | EW4DX | -2 / - | 2 | Partial capture |
| 08-16 22:27 | 20m | - / - | DB1BW | -13 / - | 7 | Partial capture |
| 08-16 22:27 | 20m | - / -14 | YO4NF | -5 / - | 5 | ✓ Closing fragment |
| 08-07 02:00 | 20m | - / - | DG1KPC | -6 / - | 2 | Partial capture |
| 08-07 02:00 | 20m | - / - | DL1R | -3 / - | 9 | Partial capture |
| 08-07 02:00 | 20m | - / -15 | F1PBZ | -8 / - | 2 | ✓ Closing fragment |
| 08-07 01:57 | 20m | - / - | DG1KPC | -7 / - | 2 | Partial capture |
| 08-01 00:06 | 20m | - / - | RA9LY | -14 / - | 5 | Partial capture |
| 07-31 23:36 | 20m | - / +5 | GW8DX | +7 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 193915 -18 2542 ZP5DVD 9A7KFF JN75
UTC dB Audio Message 030500 -9 2229 ZP5DVD DL3HN JN49 (x7) 004200 -4 1840 ZP5DVD SP8MO KN09 004215 -18 2218 CQ ZP5DVD GG14 004230 -8 1841 ZP5DVD SP8MO KN09 (x2) 004315 -19 2219 SP8MO ZP5DVD RR73 004330 -8 1840 ZP5DVD SP8MO 73 214345 -17 2132 CQ ZP5DVD GG14 214445 -14 2133 OZ1PFH ZP5DVD RR73
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.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee