KB9AX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EM69

Receiver-side FT8 activity involving KB9AX, decoded by SO8OO in southeastern Poland. 86 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 6 UTC dates in the available aggregate history. Observed between 2026-06-19 and 2026-09-16.

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 86 FT8 messages attributed to KB9AX as the transmitting token by decoded message structure across 6 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (62%), followed by 80 m (34%) and 20 m (5%). 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 -11 dB.

Overview

86
Messages attributed
6
UTC dates decoded
10
Active 15-min windows
-11 dB
Estimated median S/N

Bands

80m · 29 40m · 53 20m · 4
First attributed message: 2026-06-19
Last attributed message: 2026-09-16 00:22 UTC

Observed FT8 message patterns

Attributed sample
86 messages
Active dates
6 UTC dates
Estimated median S/N
-11 dB
Estimated 10th-90th percentile
-22 to -7 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 27, moderate (-15 to -9 dB) 39, strong (≥ -8 dB) 20.

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 KB9AX 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 KB9AX

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
EM69 · 24 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
7,886 km (approx.)
Last such locator decoded
2026-09-16 00:20 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 UTCBandKB9AX S/NCounterpartCounterpart S/NMsgsCapture
09-16 00:21 40m -10 / - 9A3AUH - / -16 3 ✓ Closing fragment
09-16 00:20 40m - / - PA1PXL -1 / - 2 Partial capture
09-16 00:18 40m -10 / - WB8NXR - / -11 2 ✓ Closing fragment
09-16 00:17 40m - / +5 GM7JQK -11 / - 9 Partial capture
09-16 00:17 40m -9 / - WA4NFO - / -11 2 ✓ Closing fragment
09-16 00:15 40m -9 / - YO3GNF - / -13 2 ✓ Closing fragment
09-16 00:13 40m - / - EA2EDI -21 / - 2 Partial capture
09-16 00:12 40m -9 / - HA3MK - / -14 5 ✓ Closing fragment
09-16 00:11 40m -8 / - DL9KM - / -11 2 ✓ Closing fragment
09-16 00:10 40m -9 / - XE1IHD - / -11 2 ✓ Closing fragment
09-16 00:09 40m -9 / - KJ5PDD - / -6 2 ✓ Closing fragment
09-16 00:08 40m -8 / - 9A4ZM - / -15 2 ✓ Closing fragment
09-16 00:07 40m -10 / - AC8JT - / -8 2 ✓ Closing fragment
09-16 00:07 40m - / - M0WTN -18 / - 4 Partial capture
09-16 00:06 40m -8 / - KR4LQH - / -7 2 ✓ Closing fragment
09-16 00:03 40m -10 / - DL2AX - / -15 2 ✓ Closing fragment
09-16 00:02 40m -10 / - WB8ZFL - / -10 2 ✓ Closing fragment
09-16 00:02 40m - / -21 UN9LDA -15 / - 9 Partial capture
09-16 00:01 40m -10 / - YO4NF - / -12 2 ✓ Closing fragment
09-16 00:01 40m -10 / -8 EI3CTB +3 / -15 11 ✓ Full exchange observed
09-16 00:00 40m -9 / - KK5JY - / 0 2 ✓ Closing fragment
09-16 00:00 40m - / - M0WTN -12 / - 3 Partial capture
09-15 23:57 40m -7 / - TJ1GD - / - 6 Partial capture
09-15 23:55 40m -9 / +5 SV9QWC -12 / -14 4 ✓ Full exchange observed
09-14 23:54 80m -14 / -13 EC3A -23 / - 3 ✓ Closing observed
09-14 23:46 80m - / - OE3OOG -10 / - 3 Partial capture
09-14 23:45 80m -22 / - LW1DJ - / -10 2 ✓ Closing fragment
09-14 23:44 80m - / - F6BHK -24 / - 2 Partial capture
09-14 23:39 80m - / - F5NNN -18 / - 4 Partial capture
09-14 23:37 80m - / -13 SQ9DJQ -10 / - 2 Partial capture
09-14 23:36 80m - / -5 EA8AJ -24 / - 3 Partial capture
09-14 23:32 80m - / -13 EA2DYB -17 / - 3 Partial capture
09-14 23:31 80m - / - PA3KUS -10 / - 10 Partial capture
09-14 23:24 80m - / -19 F4FPR -22 / - 5 ✓ Closing fragment
09-14 23:23 80m - / -13 F1PBZ -10 / - 2 ✓ Closing fragment
09-12 00:15 40m - / -12 CT7AUT -11 / - 3 Partial capture
09-12 00:14 80m - / - IS0BQE -10 / - 3 Partial capture
09-12 00:13 80m - / - IZ2AMW -12 / - 3 Partial capture
09-12 00:08 80m - / -23 G6BCC -6 / - 3 ✓ Closing fragment
09-12 00:02 80m - / - IZ2AMW -10 / - 3 Partial capture
09-12 00:00 80m - / - PA3KUS -10 / - 14 Partial capture
09-12 00:00 80m - / - SP5EXA +18 / - 4 Partial capture
09-11 23:58 80m - / - CT7AUT -24 / - 2 Partial capture
09-11 23:57 80m - / - G7KCK -24 / - 7 Partial capture
09-11 23:53 80m - / -15 HA7TM +8 / - 3 ✓ Closing fragment
09-11 23:50 80m - / -14 IZ2AMW -9 / - 5 Partial capture
09-11 23:47 80m - / - PA3KUS -16 / - 3 Partial capture
09-11 23:46 80m - / -11 F4UJU -12 / - 3 ✓ Closing fragment
09-11 23:46 80m - / - IZ2AMW -10 / - 3 Partial capture
09-11 23:44 80m - / - EA3HMM -14 / - 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
001900  -9  843  KB9AX GM7JQK +05
001915 -11 2036  WB8NXR KB9AX RR73
001930 -12  843  KB9AX GM7JQK +05
001945 -10 2037  CQ KB9AX EM69
002000  -1 2038  KB9AX PA1PXL JO21
002000 -10  842  KB9AX GM7JQK +05
002015 -10 2037  CQ KB9AX EM69
002030  -1 2038  KB9AX PA1PXL JO21
002030 -11  842  KB9AX GM7JQK +05 (x2)
002115 -10 2037  9A3AUH KB9AX -16
002130 -11  842  KB9AX GM7JQK +05
002215  -8 2037  9A3AUH KB9AX -16 (x2)
002330 -19 2037  KB9AX UA4FKT LO23
160m 
UTC    dB Audio  Message
002030 -24 1996  KB9AX V26OC FK97
80m 
UTC    dB Audio  Message
234500 -24 1558  KB9AX F6BHK JN24
234515 -22 1558  LW1DJ KB9AX -10 (x2)
234600 -13 1008  KB9AX OE3OOG JN87
234615 -22 1557  CQ KB9AX EM69                         a1
234630  -6 1008  KB9AX OE3OOG JN87
234645 -19 1557  CQ KB9AX EM69
234700 -12 1008  KB9AX OE3OOG JN87
234915 -22 1558  CQ KB9AX EM69
235030 -24 1397  KB9AX CT7AUT IM67
235400 -22 1663  KB9AX EC3A -13 (x2)
235445 -14 1557  EC3A KB9AX 73
235645 -14 1557  CQ KB9AX EM69
235730 -24 1557  KB9AX F6BHK JN24

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.

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