DM4ZPJ — 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 DM4ZPJ, decoded by SO8OO in southeastern Poland. 450 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 92 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-23.
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 450 FT8 messages attributed to DM4ZPJ as the transmitting token by decoded message structure across 92 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (82%), followed by 20 m (18%). Most decodes (56%) fell within the six-hour window 15:00-21:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (62%); the estimated median was -6 dB.
Overview
Bands
Last attributed message: 2026-10-23 15:03 UTC
Observed FT8 message patterns
- Attributed sample
- 450 messages
- Active dates
- 92 UTC dates
- Estimated median S/N
- -6 dB
- Estimated 10th-90th percentile
- -16 to +3 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 48, moderate (-15 to -9 dB) 121, strong (≥ -8 dB) 281.
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 DM4ZPJ 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 DM4ZPJ
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
- JO60 · 192 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 628 km (approx.)
- Last such locator decoded
- 2026-10-23 15:02 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 | DM4ZPJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-23 15:02 | 40m | -3 / - | SH1ZLA | -11 / -14 | 4 | ✓ Closing observed |
| 10-23 14:58 | 40m | -10 / +3 | HF37KJP | -3 / -2 | 2 | Partial capture |
| 10-23 14:10 | 40m | -7 / - | 9A5ZD | -10 / -10 | 5 | ✓ Closing observed |
| 10-22 15:32 | 40m | +5 / - | OZ1LNR | - / -9 | 3 | ✓ Closing fragment |
| 10-20 04:29 | 40m | - / -11 | RC9WC | -14 / - | 4 | Partial capture |
| 10-20 04:27 | 40m | - / +4 | FM/VE3DZ | +2 / - | 4 | ✓ Closing fragment |
| 10-18 18:57 | 40m | - / - | R2AL | -5 / - | 4 | Partial capture |
| 10-14 17:41 | 40m | - / -15 | R2EA | -3 / - | 2 | Partial capture |
| 10-14 17:40 | 40m | +1 / - | YO2OO | -15 / - | 2 | ✓ Closing observed |
| 10-14 14:25 | 40m | - / - | DJ0MAB | -8 / - | 2 | Partial capture |
| 10-14 14:22 | 40m | -3 / - | OE7KTI | -16 / -7 | 6 | ✓ Full exchange observed |
| 10-13 15:53 | 40m | +4 / - | DA125RH | +16 / -1 | 5 | ✓ Full exchange observed |
| 10-13 15:53 | 40m | - / - | DL7ACA | +2 / - | 5 | Partial capture |
| 10-13 14:42 | 40m | - / - | IW2CVL | -8 / - | 2 | Partial capture |
| 10-13 14:41 | 40m | -8 / 0 | OE8DSK | -11 / -6 | 5 | ✓ Full exchange observed |
| 10-13 12:33 | 40m | -7 / +2 | HA76MAV | -4 / - | 3 | Partial capture |
| 10-12 14:41 | 40m | -4 / - | GM0MST | - / -5 | 2 | ✓ Closing fragment |
| 10-11 14:04 | 40m | -8 / -3 | IQ3ABC | -9 / -9 | 6 | ✓ Full exchange observed |
| 10-10 15:33 | 40m | +5 / +4 | HB9ERS | -18 / -18 | 5 | ✓ Full exchange observed |
| 10-10 15:28 | 40m | +3 / - | OH2DJY | - / -8 | 3 | ✓ Closing fragment |
| 10-10 14:08 | 40m | -9 / - | OH7FAE | - / -16 | 4 | ✓ Closing fragment |
| 10-10 08:35 | 40m | -2 / - | HA76MAV | - / - | 3 | Partial capture |
| 10-09 15:23 | 40m | - / - | UA4FKT | -4 / - | 3 | Partial capture |
| 10-09 15:22 | 40m | -2 / 0 | YL3ARH | -16 / - | 4 | ✓ Closing observed |
| 10-09 15:06 | 40m | -5 / +10 | R8XF/M | -14 / +1 | 3 | Partial capture |
| 10-08 17:57 | 40m | -6 / - | EU4BE | - / - | 2 | ✓ Closing fragment |
| 10-08 17:56 | 40m | -2 / - | HA1PB | - / - | 2 | Partial capture |
| 10-08 06:26 | 40m | -6 / - | GI8RPM | - / - | 2 | Partial capture |
| 10-07 18:19 | 40m | -5 / - | 9A5BDE | - / - | 2 | Partial capture |
| 10-05 04:43 | 40m | - / -9 | AM5CV | -13 / - | 2 | Partial capture |
| 10-04 13:33 | 40m | 0 / - | LB5UK | - / -23 | 2 | ✓ Closing fragment |
| 10-04 13:01 | 40m | - / - | DL9KM | -6 / - | 7 | Partial capture |
| 10-04 12:57 | 40m | -7 / +9 | OK1DXR | -12 / +7 | 5 | ✓ Full exchange observed |
| 10-03 20:10 | 40m | - / - | R3SN | -8 / - | 7 | Partial capture |
| 10-03 19:58 | 40m | +1 / 0 | YL3EK | -4 / -11 | 4 | Partial capture |
| 10-03 04:31 | 40m | - / -9 | 3Z4DX | -10 / - | 2 | ✓ Closing fragment |
| 10-02 12:14 | 40m | -4 / -8 | HA5WZ | -16 / +3 | 4 | ✓ Full exchange observed |
| 09-29 18:05 | 40m | -2 / -4 | HB9DAU | -10 / -3 | 6 | Partial capture |
| 09-26 18:19 | 40m | -5 / -10 | OK1VCB | -2 / -10 | 4 | ✓ Full exchange observed |
| 09-24 15:24 | 40m | -3 / - | OE1FEA | - / -11 | 3 | ✓ Closing fragment |
| 09-21 18:27 | 40m | -2 / - | LB1FJ/R | - / - | 2 | Partial capture |
| 09-21 18:17 | 40m | -3 / - | EW4MO | - / -5 | 2 | Partial capture |
| 09-21 17:57 | 40m | - / -10 | RC9WC | +2 / - | 3 | Partial capture |
| 09-21 17:56 | 40m | +4 / - | F2VX/P | - / -13 | 2 | Partial capture |
| 09-20 20:18 | 40m | - / - | RZ4FWA | -12 / - | 2 | Partial capture |
| 09-20 20:17 | 40m | - / -13 | E79KO | -4 / - | 2 | Partial capture |
| 09-20 04:42 | 40m | - / -15 | RY3F | -6 / - | 3 | Partial capture |
| 09-20 04:40 | 40m | -6 / - | HK3YL | - / -2 | 3 | Partial capture |
| 09-19 06:42 | 40m | - / -5 | OT7K | +1 / - | 2 | ✓ Closing fragment |
| 09-17 19:22 | 40m | +7 / +5 | DA1TH | -6 / - | 3 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 153245 +2 840 OZ1LNR DM4ZPJ R-09 (x2) 181115 -15 1732 DM4ZPJ EG46PPA -13 141015 -6 1379 9A5ZD DM4ZPJ JO60 (x3) 141130 -10 1379 DM4ZPJ 9A5ZD RR73 141145 -7 1378 9A5ZD DM4ZPJ 73 144030 -1 1083 SH1ZLA DM4ZPJ JO60 145815 -3 1642 DM4ZPJ HF37KJP +03 145830 -10 1641 HF37KJP DM4ZPJ R-02 150230 -9 670 SH1ZLA DM4ZPJ JO60 (x2) 150315 -11 669 DM4ZPJ SH1ZLA RR73 150330 -2 670 SH1ZLA DM4ZPJ 73
UTC dB Audio Message 202000 -9 978 DM4ZPJ S57LU +02 202015 -11 979 S57LU DM4ZPJ R+00 202030 -10 978 DM4ZPJ S57LU RR73 202045 -11 978 S57LU DM4ZPJ 73 202900 -16 1818 <...> DM4ZPJ JO60 200330 -13 1389 IR7MGGC DM4ZPJ JO60 (x2) 200215 -5 672 BA3NZ DM4ZPJ 73 204415 +4 786 DM4ZPJ MW1CFA +05 (x2) 184415 -7 1674 LA3DRA DM4ZPJ JO60 184645 -6 1785 R9FFZ DM4ZPJ JO60 185500 -7 943 4L6EZ DM4ZPJ JO60 185930 -7 1697 RW3TM/MM DM4ZPJ R-13 121715 +0 822 II7MGFG DM4ZPJ JO60
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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