VA3ZK — 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 VA3ZK, decoded by SO8OO in southeastern Poland. 47 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-08-23 and 2026-08-28.
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 47 FT8 messages attributed to VA3ZK as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (98%), followed by 40 m (2%). Several six-hour UTC windows tied for the largest share (100%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -16 dB.
Overview
Bands
Last attributed message: 2026-08-28 22:12 UTC
Observed FT8 message patterns
- Attributed sample
- 47 messages
- Active dates
- 5 UTC dates
- Estimated median S/N
- -16 dB
- Estimated 10th-90th percentile
- -24 to -10 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 25, 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 VA3ZK 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 VA3ZK
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
- FN75 · 19 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 6,135 km (approx.)
- Last such locator decoded
- 2026-08-28 22:09 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 | VA3ZK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-28 23:22 | 40m | - / -12 | CN8WK | +16 / - | 2 | ✓ Closing fragment |
| 09-15 23:28 | 40m | - / -9 | AI4FR | -16 / - | 2 | ✓ Closing fragment |
| 09-13 23:53 | 40m | - / - | DL1AUW | -8 / - | 2 | Partial capture |
| 09-13 23:53 | 40m | - / -16 | HB9TIH | -14 / - | 2 | Partial capture |
| 09-13 23:51 | 40m | - / -13 | F4CQS | -9 / - | 2 | Partial capture |
| 09-13 23:39 | 40m | - / -19 | EB3JT | -11 / - | 2 | Partial capture |
| 09-05 07:04 | 40m | - / -14 | F5PBG | -18 / - | 3 | ✓ Closing fragment |
| 09-05 06:37 | 40m | - / -24 | GI4OGS | -6 / - | 2 | Partial capture |
| 09-05 06:19 | 40m | - / -22 | F4EMG | -4 / - | 3 | ✓ Closing fragment |
| 08-30 19:42 | 20m | - / - | OE8RPK | -6 / - | 2 | Partial capture |
| 08-29 00:18 | 40m | - / -17 | YO4KMU | 0 / - | 8 | ✓ Closing fragment |
| 08-28 23:44 | 40m | - / -21 | UW5IM | -8 / - | 2 | Partial capture |
| 08-28 23:34 | 40m | - / -18 | F4FPR | -11 / - | 48 | Partial capture |
| 08-28 23:31 | 40m | - / -21 | UW5IM | -6 / - | 9 | Partial capture |
| 08-28 23:22 | 40m | - / -6 | IW9FRA | -7 / - | 8 | ✓ Closing fragment |
| 08-28 23:21 | 40m | - / - | PA1PXL | -4 / - | 4 | Partial capture |
| 08-28 23:18 | 40m | - / -15 | LZ2II | +4 / - | 2 | ✓ Closing fragment |
| 08-28 22:10 | 20m | -23 / - | DH2RL | -21 / -11 | 6 | Partial capture |
| 08-28 22:07 | 20m | - / -23 | EB3JT | +6 / - | 4 | ✓ Closing fragment |
| 08-28 21:59 | 20m | - / - | IZ2ACM | 0 / - | 2 | ✓ Closing fragment |
| 08-28 21:48 | 20m | - / -10 | DA1LEO | +6 / - | 10 | Partial capture |
| 08-28 21:48 | 20m | - / - | IU5HIU | -4 / - | 2 | ✓ Closing fragment |
| 08-28 21:47 | 20m | - / -23 | 9A4N | -3 / - | 3 | ✓ Closing fragment |
| 08-28 18:17 | 20m | - / -19 | R7CA | +13 / - | 2 | Partial capture |
| 08-28 11:06 | 20m | - / - | PD1GF | -14 / - | 2 | Partial capture |
| 08-28 10:07 | 20m | - / - | GB0BCC | -10 / - | 2 | Partial capture |
| 08-28 09:47 | 20m | - / - | G8IXM | -6 / - | 2 | Partial capture |
| 08-27 23:40 | 20m | - / -22 | IW1GB | -12 / - | 2 | Partial capture |
| 08-27 09:40 | 20m | - / -13 | F1PSX | -3 / - | 10 | ✓ Closing fragment |
| 08-27 09:11 | 20m | - / -9 | G8KLC | +1 / - | 13 | Partial capture |
| 08-27 00:43 | 40m | - / - | RX3ASQ | -6 / - | 7 | Partial capture |
| 08-27 00:40 | 40m | - / - | DJ0MAB | -4 / - | 2 | Partial capture |
| 08-27 00:33 | 40m | - / - | R6LE | +2 / - | 2 | Partial capture |
| 08-27 00:32 | 40m | - / - | DJ0MAB | -1 / - | 4 | Partial capture |
| 08-27 00:24 | 40m | -24 / -14 | F5NNN | -6 / -9 | 3 | ✓ Full exchange observed |
| 08-27 00:21 | 40m | - / -17 | R3SN | -8 / - | 2 | ✓ Closing fragment |
| 08-27 00:17 | 40m | - / -15 | F1PBZ | +6 / - | 2 | ✓ Closing fragment |
| 08-27 00:15 | 40m | - / -23 | UT7HX | +5 / - | 3 | ✓ Closing fragment |
| 08-27 00:10 | 40m | - / -15 | EA1AOC | -10 / - | 2 | Partial capture |
| 08-27 00:02 | 40m | - / -15 | OK4FX | -4 / - | 2 | Partial capture |
| 08-26 23:49 | 40m | - / -18 | RA3WY | -13 / - | 5 | Partial capture |
| 08-26 23:49 | 40m | - / -18 | PD0IFI | -4 / - | 5 | Partial capture |
| 08-26 23:46 | 40m | - / -19 | RD7O | 0 / - | 8 | ✓ Closing fragment |
| 08-26 23:43 | 40m | - / - | DJ0MAB | -10 / - | 2 | Partial capture |
| 08-26 23:43 | 40m | - / - | RA3WY | -11 / - | 4 | Partial capture |
| 08-26 23:42 | 40m | - / - | RD7O | -1 / - | 3 | Partial capture |
| 08-26 22:47 | 40m | - / - | DL1UDO | -13 / - | 4 | Partial capture |
| 08-26 22:47 | 40m | - / -16 | PC2J | -3 / - | 4 | ✓ Closing fragment |
| 08-26 22:42 | 40m | - / - | LB7ZG | -2 / - | 3 | Partial capture |
| 08-26 22:02 | 20m | - / -10 | R7OV | -3 / - | 8 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 233415 -21 2040 VA3ZK PI4TX JO22 233915 -9 1425 VA3ZK EB3JT JN01 (x2) 235145 -12 1900 VA3ZK F4CQS -13 (x2) 235300 -14 959 VA3ZK PD0IFI JO32 235300 -13 2366 VA3ZK HB9TIH JN36 (x2) 235330 -7 2769 VA3ZK DL1AUW JO51 (x2) 000200 -22 1578 VA3ZK W2RLW FN20 232830 -16 1924 VA3ZK AI4FR R-09 (x2) 232230 +21 340 VA3ZK CN8WK -12 (x2)
UTC dB Audio Message 215945 +0 1370 VA3ZK IZ2ACM JN45 (x2) 220745 +3 1932 VA3ZK EB3JT JN01 (x4) 220930 -17 1933 CQ VA3ZK FN75 221045 -19 1931 VA3ZK DH2RL JN68 (x4) 221230 -23 1932 DH2RL VA3ZK -11 221245 -22 1931 VA3ZK DH2RL JN68 194200 -4 1915 VA3ZK OE8RPK JN76 (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.
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