K4TDX — FT8 station from United States

United States Grid: JN36

Amateur radio station K4TDX operating from United States (grid square JN36). 148 FT8 spots received at SO8OO WebSDR, 3 CQ calls, active on 40m, 20m, over 14 days, best SNR +17 dB. Heard between 2026-04-22 and 2026-06-17.

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Overview

148
Total spots
3
CQ calls
14
Days active
-6 dB
Avg SNR

Bands

20m 40m
First seen: 2026-04-22
Last seen: 2026-06-17 11:11 UTC

Frequent QSO partners observed at SO8OO

Stations K4TDX worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandK4TDXPartnerPartner SNRMsgs
06-17 13:11 20m -10 / - HB9TIH - / - 2 Partial
06-17 06:00 20m -3 / - IW9FRA - / - 6 Partial
06-17 06:00 20m -10 / - PA3KUS - / - 3 Partial
06-17 05:59 20m -2 / - UR4QWW - / - 4 Partial
06-17 05:58 20m -6 / - G0BLB - / +8 2 ✓ Confirmed
06-17 01:12 40m -10 / - N1EN - / -1 2 ✓ Confirmed
06-15 23:57 20m - / - W6KC -10 / - 3 Partial
06-15 23:53 20m - / - WO3U +2 / - 2 Partial
06-15 23:52 20m - / +1 KF9UG -8 / - 3 ✓ Confirmed
06-15 23:50 20m - / - KF0ARQ -13 / - 2 Partial
06-15 00:21 20m - / -18 KD2YCK -12 / - 4 Partial
06-15 00:19 20m -12 / - IU8RFW - / -6 2 Partial
06-15 00:17 20m -14 / -5 N1EN -12 / -20 4 Partial
06-12 02:42 20m 0 / - US5HL - / - 5 ✓ Confirmed
06-12 01:41 20m -20 / - N8FMD -4 / +2 6 Partial
06-12 01:41 20m -10 / - UA6YW - / -11 2 Partial
06-12 01:20 20m - / -12 US5HL -5 / - 10 Partial
06-12 01:17 20m 0 / - 7Z1MM -3 / -8 7 ✓ Verified
06-11 03:23 20m - / -20 UW8SM +2 / - 2 ✓ Confirmed
06-09 17:36 20m -13 / - HB9TIH - / - 3 Partial
06-09 02:58 40m -20 / - WP4NVX - / -8 2 ✓ Confirmed
06-09 02:49 20m -2 / -6 EA1IOK -11 / - 4 ✓ Verified
06-09 02:48 20m - / -17 VK6BAD -14 / - 2 Partial
06-09 02:47 20m - / -12 WP4BRI -16 / - 2 ✓ Confirmed
06-03 05:54 20m +5 / - LZ2VQ - / - 2 Partial
06-02 07:44 20m -10 / - IW9FRA - / - 2 Partial
06-02 07:43 20m -7 / - EA5ET - / - 2 Partial
06-02 07:32 20m -2 / - EA1IOK - / - 3 Partial
05-19 01:43 20m - / - NP3DM -10 / - 2 Partial
05-19 01:37 20m +2 / - EA1IOK - / - 3 Partial
05-19 01:36 20m - / -22 <...> -4 / - 2 ✓ Confirmed
05-18 04:13 20m -1 / - SP8AJK - / -5 3 Partial
05-18 04:04 20m +6 / - SP8AJK - / - 2 Partial
05-18 04:03 20m -16 / - RW6HP - / - 3 Partial
05-18 04:01 20m +7 / - R7WA - / - 3 Partial
05-18 04:00 20m +5 / - SP8AJK - / - 3 Partial
05-18 03:58 20m - / -9 UA3GDJ -22 / - 2 ✓ Confirmed
05-15 06:28 40m -10 / - G8MIA - / -8 2 Partial
05-15 06:25 40m -12 / - G8MIA - / -7 2 Partial
05-15 06:03 20m -8 / - HB9TIH - / - 2 Partial
05-15 06:03 20m 0 / - IZ0RVI - / - 2 Partial
05-15 06:01 20m -2 / - SP8AJK - / - 9 Partial
05-03 23:19 20m -12 / - W3RFK -17 / -4 6 Partial
05-03 23:15 20m -18 / - HA7TM - / - 2 Partial
04-30 10:12 20m +4 / - SV0TPN - / -23 4 Partial
04-30 09:47 20m +12 / - DK1WU - / -17 3 ✓ Confirmed
04-30 09:43 20m -4 / - F1PSX - / - 9 Partial
04-30 09:39 20m -8 / - DK9ZQ - / - 4 Partial
04-22 23:12 20m -12 / - DJ0MAB - / - 2 Partial
04-22 22:51 20m -18 / - DJ0MAB - / - 3 Partial

Station Log

20m 
UTC    dB  Freq  Message
055945  -5 1870  K4TDX UR4QWW KN77
060045 -10 2250  K4TDX PA3KUS JO21
060045  +2 1870  K4TDX UR4QWW KN77
060045  +1 1472  K4TDX IW9FRA JM68
060115  -3 1870  K4TDX UR4QWW KN77
060115  -8 2250  K4TDX PA3KUS JO21
060115  +1 1472  K4TDX IW9FRA JM68
060145 -13 2250  K4TDX PA3KUS JO21
060145  -1 1870  K4TDX UR4QWW KN77
060145  -5 1472  K4TDX IW9FRA JM68 (x4)
131100  -9 1793  K4TDX HB9TIH JN36 (x2)
40m 
UTC    dB  Freq  Message
062545 -13 2598  K4TDX G8MIA -07 (x4)
025800 -20 1352  K4TDX WP4NVX -08 (x2)
011245 -11 2587  K4TDX N1EN -01 (x2)

SNR History by Band