KM4TDZ — FT8 station from United States

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Amateur radio station KM4TDZ operating from United States. 170 FT8 spots received at SO8OO WebSDR, 6 CQ calls, active on 40m, 20m, over 29 days, best SNR +14 dB. Heard between 2026-05-01 and 2026-07-28.

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

Overview

170
Total spots
6
CQ calls
29
Days active
-7 dB
Avg SNR

Bands

20m 40m
First seen: 2026-05-01
Last seen: 2026-07-28 08:49 UTC

Frequent QSO partners observed at SO8OO

Stations KM4TDZ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandKM4TDZPartnerPartner SNRMsgs
07-28 10:46 20m -18 / - PD1ADA - / -21 8 ✓ Confirmed
07-23 00:12 20m -12 / - A61QQ - / -16 2 ✓ Confirmed
07-22 16:32 20m -7 / - TF4M - / -15 3 Partial
07-20 10:01 20m -16 / - PD1PK - / - 2 Partial
07-09 11:42 20m -18 / - HB9SDO - / - 3 Partial
07-09 11:25 20m -2 / - M0UTD - / -14 2 Partial
07-03 01:47 20m - / - <...> -18 / - 2 Partial
06-30 06:56 20m -16 / - IZ5SIH - / - 3 Partial
06-30 06:52 20m -16 / - EA5GVJ - / -1 2 ✓ Confirmed
06-23 06:16 20m -18 / - EA3IZF - / -7 4 Partial
06-23 06:15 20m -9 / - HB9EFK - / -5 2 ✓ Confirmed
06-17 23:08 20m +7 / - MI0FBI -12 / -4 5 ✓ Verified
06-17 22:47 20m -9 / - UN8DSW -17 / -8 4 ✓ Verified
06-16 23:22 20m -2 / - GW4BCF -18 / -16 5 ✓ Verified
06-16 02:17 20m -3 / - W5DAH - / - 3 ✓ Confirmed
06-16 02:04 40m -6 / - DK7ZT - / -12 3 Partial
06-16 02:03 40m -16 / - PA3KUS - / - 2 Partial
06-16 01:59 40m +6 / - F4BYA - / - 2 Partial
06-15 01:07 20m - / - UA6HBJ -18 / - 2 Partial
06-14 23:55 20m -14 / - IZ8EYN - / -4 4 Partial
06-14 23:48 20m -15 / -14 IU8RFW -20 / -11 6 ✓ Complete
06-11 03:20 20m +9 / - R2EC - / - 2 Partial
06-11 03:16 20m -6 / - SV5BYP -16 / - 2 ✓ Verified
06-11 03:02 20m -5 / - RK4H - / - 2 Partial
06-10 21:13 20m +3 / - EA3AYQ - / -23 2 ✓ Confirmed
06-10 06:58 20m -5 / - MI7RDK - / -4 3 ✓ Confirmed
06-10 02:26 20m 0 / - RI0SP - / -16 2 Partial
06-09 05:21 20m -5 / -12 OZ5FN -15 / - 3 Partial
06-09 00:01 20m - / - K8HO -14 / - 2 Partial
06-08 12:56 20m -11 / - W9DHI - / +3 2 ✓ Confirmed
06-05 01:14 20m -14 / -12 7Z1DS -13 / - 6 ✓ Verified
06-05 00:28 20m -7 / - CS2TU - / -12 2 ✓ Confirmed
06-04 06:17 20m +7 / - HB9TWU - / -10 3 Partial
06-04 06:17 20m -3 / - OZ6YN - / -22 11 ✓ Confirmed
06-04 06:17 20m -2 / -8 EA1AHP -22 / - 3 Partial
06-04 06:13 20m +9 / - UR3LM - / -20 3 ✓ Confirmed
06-04 06:11 20m - / -19 N5TLH -19 / - 2 Partial
06-04 06:08 20m +2 / - DL3MIB - / -23 2 ✓ Confirmed
06-04 06:03 20m - / -8 M7OHI -14 / - 3 Partial
06-04 05:51 20m +10 / - UR9QQ - / -15 3 Partial
05-28 02:34 20m - / - Z34K -15 / - 2 Partial
05-28 02:08 20m - / - A92AE -18 / - 3 Partial
05-28 02:04 20m - / - A92AE -18 / - 2 Partial
05-27 19:43 20m -2 / - M9KTM - / -8 3 Partial
05-20 04:11 20m -14 / - RU3GC - / -14 2 Partial
05-18 19:12 20m -10 / - G7RHF - / -16 4 ✓ Confirmed
05-13 01:43 20m -11 / - UN0GY - / -2 2 ✓ Confirmed
05-13 01:36 20m 0 / - RX9ABI - / -17 2 ✓ Confirmed
05-06 21:56 20m 0 / - CN8NS - / -16 2 ✓ Confirmed
05-06 21:46 20m +3 / - TN8GD - / -12 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
011145 -15 1054  KM4TDZ A61DD -11
163230 -10 2495  KM4TDZ TF4M -15 (x3)
001200 -11  913  KM4TDZ A61QQ -16 (x2)
104300 -21 1121  KM4TDZ DK9ZQ R-20
104600 -18 2035  KM4TDZ PD1ADA JO21 (x8)
40m 
UTC    dB  Freq  Message
025800  -1 2345  KM4TDZ IZ8DBJ JN70
025800  +0 1423  KM4TDZ F4GTB JN18 (x3)
030330  -3 1086  KM4TDZ IW9FRA JM68
235700 -16 1538  KM4TDZ DK7ZT -23 (x2)
013930 -12 1501  KM4TDZ EA1CQ IN83
015945  +7 2981  KM4TDZ F4BYA JN19 (x2)
020345 -18 2367  KM4TDZ PA3KUS JO21 (x2)
020415 -11 1905  KM4TDZ DK7ZT -12 (x3)

SNR History by Band