VK9DX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Norfolk Island Most frequent locator attributed to this token: RG30

Receiver-side FT8 activity involving VK9DX, decoded by SO8OO in southeastern Poland. 42 FT8 messages attributed to this token as transmitter, on 20m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-14.

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 42 FT8 messages attributed to VK9DX as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). In this small sample, the estimated median decoder S/N was -10 dB; no usual signal pattern is inferred.

Overview

42
Messages attributed
1
UTC dates decoded
4
Active 15-min windows
-10 dB
Estimated median S/N

Bands

First attributed message: 2026-07-14
Last attributed message: 2026-07-14 20:46 UTC

Observed FT8 message patterns

Attributed sample
42 messages
Active dates
1 UTC dates
Estimated median S/N
-10 dB
Estimated 10th-90th percentile
-14 to -9 dB
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 3, moderate (-15 to -9 dB) 37, strong (≥ -8 dB) 2.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Most frequent locator attributed to VK9DX

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
RG30 · 3 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
16,325 km (approx.)
Last such locator decoded
2026-07-14 20:24 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 UTCBandVK9DX S/NCounterpartCounterpart S/NMsgsCapture
10-01 13:21 40m - / -26 UW5ESX -7 / - 7 ✓ Closing fragment
10-01 13:14 40m - / -26 UW5ESX -6 / - 4 Partial capture
10-01 13:13 40m - / - OK2VSU -3 / - 6 Partial capture
10-01 13:11 40m - / - RA3RGQ -19 / - 9 Partial capture
10-01 13:08 40m - / - UW5ESX -9 / - 7 Partial capture
10-01 12:56 40m - / -8 R2SN -16 / - 14 Partial capture
10-01 12:54 40m - / - DL3BQV -4 / - 3 Partial capture
10-01 12:53 40m - / -7 R2SN -17 / - 3 Partial capture
10-01 12:49 40m - / -14 R2SN -16 / - 3 Partial capture
10-01 12:42 40m - / - DL8OH +11 / - 6 Partial capture
10-01 12:24 40m - / - UW5ESX -9 / - 7 Partial capture
09-30 18:21 160m - / - DL1RWN +6 / - 5 Partial capture
09-30 18:18 160m - / - YU1LD -14 / - 4 Partial capture
09-30 18:15 160m - / - SP3PLD +15 / - 14 Partial capture
09-30 18:14 160m - / - DJ8ES 0 / - 12 Partial capture
09-30 18:10 160m - / - DJ7M +7 / - 17 Partial capture
09-28 19:44 40m - / - DM2AL -2 / - 9 Partial capture
09-28 19:24 40m - / - DM2AL -7 / - 13 Partial capture
09-28 19:20 40m - / - IT9FTP +2 / - 2 Partial capture
09-28 19:18 40m - / - I0WTD +2 / - 16 Partial capture
09-28 19:18 40m - / - LZ1GC -10 / - 5 Partial capture
09-28 19:17 40m - / -11 RC9WC -4 / - 3 Partial capture
09-28 19:17 40m - / - RA3THN -14 / - 3 Partial capture
09-28 19:15 40m - / - OH3MMF +7 / - 6 Partial capture
09-28 19:15 40m - / - OH7SV +2 / - 6 Partial capture
09-28 19:15 40m - / -12 UZ5ZV +1 / - 8 Partial capture
09-28 19:14 40m - / -26 OM3PC -13 / - 11 Partial capture
09-28 19:13 80m - / - SE2P -12 / - 3 Partial capture
09-28 19:11 40m - / - OH7SV +10 / - 2 Partial capture
09-28 19:11 40m - / - OM3PC -8 / - 2 Partial capture
09-28 19:11 40m - / - UX5UW -20 / - 3 Partial capture
09-28 19:11 40m - / - F1NNI 0 / - 3 Partial capture
09-28 19:09 40m - / - RA9FRD -19 / - 4 Partial capture
09-28 19:08 40m - / -16 IZ8EYN -13 / - 3 Partial capture
09-28 19:08 40m - / -21 TA2VUZ -9 / - 9 ✓ Closing fragment
09-28 19:07 40m - / - F4MXT/P -7 / - 4 Partial capture
09-28 19:07 40m - / - UX5UW -22 / - 2 Partial capture
09-28 19:07 40m - / - UZ5ZV +4 / - 8 Partial capture
09-28 19:06 40m - / - LZ1GC -7 / - 11 Partial capture
09-28 19:06 40m - / - R6TA -6 / - 5 Partial capture
09-28 19:05 40m - / -11 IT9KHI -2 / - 4 ✓ Closing fragment
09-28 19:01 80m - / - LB1TI -6 / - 2 Partial capture
09-28 18:59 80m - / - DF9TF +6 / - 13 Partial capture
09-28 18:58 80m - / -4 DJ7M +19 / - 4 ✓ Closing fragment
09-28 18:58 80m - / - IU2SLB +10 / - 11 Partial capture
09-28 18:57 80m - / -10 OM5NU +16 / - 8 ✓ Closing fragment
09-28 18:55 80m - / - OH3FM -1 / - 4 Partial capture
09-28 18:55 80m - / - UX1AA -10 / - 2 Partial capture
09-28 18:55 80m - / - EA3OR -14 / - 3 Partial capture
09-28 18:54 80m - / - RY3K -6 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m
UTC    dB Audio  Message
131515  -8 2728  VK9DX UW5ESX KN67
131515 -16 1729  VK9DX RA3RGQ LO02
131515  -3 2265  VK9DX OK2VSU JN99
131545  -7 2728  VK9DX UW5ESX R-26
131545 -18 1729  VK9DX RA3RGQ LO02
131545  -3 2265  VK9DX OK2VSU JN99
131615  -7 2728  VK9DX UW5ESX R-26
131615  -2 2265  VK9DX OK2VSU JN99
132145  -3 2728  VK9DX UW5ESX R-26 (x7)
80m
UTC    dB Audio  Message
190200 +13 2772  VK9DX IU2SLB JN45
190215  +7 1455  VK9DX DF9TF JN37
190230  +7 2771  VK9DX IU2SLB JN45
190245  +9 1455  VK9DX DF9TF JN37
190300 +14 2771  VK9DX IU2SLB JN45
190315  +9 1455  VK9DX DF9TF JN37 (x6)
191330 -15  405  VK9DX SE2P KP04 (x3)
185930  -7 2054  VK9DX HB9HRR JN47
160m
UTC    dB Audio  Message
182000  -7 1801  VK9DX DJ8ES JO43
182015  +7 2530  VK9DX DJ7M JN49
182030 +14  798  VK9DX SP3PLD JO72
182030  -3 1801  VK9DX DJ8ES JO43
182100 +19  798  VK9DX SP3PLD JO72
182100  -9 1801  VK9DX DJ8ES JO43
182115 -16 1928  VK9DX YU1LD KN04
182115 +10 2530  VK9DX DJ7M JN49
182145  +2 2226  VK9DX DL1RWN JO64
182200  +9 2092  VK9DX SP3PLD JO72 (x2)
182230  +0  709  VK9DX DL1RWN JO64 (x4)
20m
UTC    dB Audio  Message
203300  -9 2220  VK9DX HB9TJX +01
203300  +0  999  VK9DX G8CLY IO91
203315 -10 2343  E77FN VK9DX RR73
203330 -11 2220  VK9DX HB9TJX +01
203330  -6 2695  VK9DX G0CUZ IO82
203400 -11 2220  VK9DX HB9TJX +01
203400  -4 2695  VK9DX G0CUZ IO82
203400 -13 1840  VK9DX F4LQM/P IN96
203400  +0 1996  VK9DX EA1R IN73
203430 -15 2220  VK9DX HB9TJX +01
203430  -9 1840  VK9DX F4LQM/P IN96 (x2)
203830 -23 1764  VK9DX EA7EZ IM76
204030 -14 2343  VK9DX DG7GZ JN38
204615 -13 2342  SP9HAB VK9DX -02

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee