JO7KMB — FT8 station from Japan

Japan Grid: ?

Amateur radio station JO7KMB operating from Japan. 141 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 22 days, best SNR +21 dB. Heard between 2026-04-21 and 2026-06-22.

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Overview

141
Total spots
0
CQ calls
22
Days active
-3 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-06-22 17:49 UTC

Frequent QSO partners observed at SO8OO

Stations JO7KMB worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJO7KMBPartnerPartner SNRMsgs
06-22 19:43 20m -7 / - CR7BRV - / -19 5 Partial
06-19 20:22 20m - / - TJ1GD/P -10 / - 2 Partial
06-19 20:17 20m -2 / - F5NNN - / +9 4 ✓ Confirmed
06-18 21:16 20m - / -16 IQ2DB -10 / - 2 ✓ Confirmed
06-18 20:43 20m -19 / - OE3UKW - / -1 2 Partial
06-18 20:34 20m -15 / - OE3UKW - / -1 2 Partial
06-18 20:32 20m - / - <...> -2 / - 4 Partial
06-18 20:29 20m - / - YO/F4MFS -10 / - 2 Partial
06-18 20:13 20m - / - TA5FW -5 / - 3 Partial
06-18 20:07 20m -2 / -19 CR7BUJ -3 / -17 6 ✓ Complete
06-18 20:02 20m -4 / -12 EC3A -10 / -7 4 ✓ Complete
06-18 18:02 20m - / -15 <...> -5 / - 5 Partial
06-18 17:54 20m +7 / - IQ7KM - / -4 2 ✓ Confirmed
06-18 17:47 20m - / - J40GAY +3 / - 2 Partial
06-18 17:33 20m - / - <...> +6 / - 2 Partial
06-18 17:29 20m - / -10 IQ7PU +4 / - 5 ✓ Confirmed
06-09 20:26 20m -14 / -25 <...> -10 / -22 3 Partial
06-09 20:25 20m - / -16 II4PRCE -5 / - 6 Partial
06-09 20:22 20m - / -24 OZ7CL -2 / - 6 Partial
06-09 20:18 20m - / -15 IU4PPL -4 / - 2 Partial
06-09 20:16 20m -4 / - IQ9BF -6 / -7 4 ✓ Verified
06-09 20:11 20m -4 / - IQ0OS -4 / -15 4 ✓ Verified
06-09 20:11 20m -10 / - IU8RFW - / - 3 Partial
06-09 20:07 20m +19 / -7 SV9TLU -3 / -20 6 ✓ Complete
06-09 19:51 20m -12 / - BA8BLK - / -10 2 ✓ Confirmed
06-06 12:36 20m +12 / -18 <...> -8 / -15 11 Partial
06-06 12:27 20m - / - IQ4LH -16 / - 3 Partial
05-28 20:33 20m +9 / -3 IT9ZIR -8 / -7 5 ✓ Complete
05-28 20:31 20m +4 / -13 TA4SM -7 / -4 5 ✓ Complete
05-28 20:25 20m +10 / -9 TA2HTU -12 / - 4 ✓ Verified
05-28 20:01 20m - / -10 TL8BNW -3 / - 2 Partial
05-28 19:54 20m - / - W0KVA -6 / - 4 Partial
05-28 19:45 20m - / -21 R5AF/0 -14 / - 4 Partial
05-28 19:34 20m - / - 9A60CBM -5 / - 4 Partial
05-28 19:31 20m - / - TL8BNW -12 / - 2 Partial
05-28 19:22 20m 0 / - IS0RVH - / -19 2 Partial
05-28 19:06 20m - / +1 BH4GWF -4 / - 2 ✓ Confirmed
05-28 19:04 20m - / -16 YO3JR -4 / - 3 ✓ Confirmed
05-28 18:46 20m -6 / - R6DJR - / -11 2 Partial
05-27 20:33 10m -8 / - 7Q3AM - / -10 2 ✓ Confirmed
05-26 21:07 20m - / -25 GB9SOS -5 / - 3 Partial
05-26 21:01 20m - / - GB9SOS -10 / - 3 Partial
05-25 10:55 20m -15 / - VE3VEE - / -6 3 Partial
05-24 20:26 20m -6 / -9 IZ3EAW -11 / -9 4 ✓ Complete
05-24 20:20 20m - / - <...> -6 / - 2 Partial
05-24 20:11 20m - / - HB9DAU -12 / - 2 ✓ Confirmed
05-24 20:08 20m - / -15 IU0DHV -7 / - 2 Partial
05-24 20:06 20m +12 / - SV5BYP -6 / - 2 ✓ Verified
05-24 20:05 20m -18 / -8 SP5LST -2 / -7 4 ✓ Complete
05-24 20:04 20m +5 / - LZ1AMA 0 / - 3 ✓ Verified

Station Log

20m 
UTC    dB  Freq  Message
204330 -21  628  JO7KMB OE3UKW -01
211645  -9 2580  IQ2DB JO7KMB R-16 (x2)
201700  +0 1134  JO7KMB F5NNN IN94 (x4)
202245 -12 2338  TJ1GD/P JO7KMB QM09 (x2)
194315  -5  730  JO7KMB CR7BRV -19 (x5)
194945 -11  933  JO7KMB IQ4LH -24
10m 
UTC    dB  Freq  Message
110230  -7 1779  JO7KMB EX8ABR RR73
111230 -11  688  JO7KMB ZS3W -13
203330  -6 1133  JO7KMB 7Q3AM -10 (x2)
155130  +0  777  JO7KMB RR73; RC9F <...> +02
40m 
UTC    dB  Freq  Message
192530  +9 2860  JO7KMB EA3EDU JN01 (x3)
185000  +8 2233  JO7KMB YO9PH -10 (x2)
190900  -4 2974  JO7KMB YM4KF -10 (x2)
192600  +8  483  JO7KMB SX1FLY RR73
191245 -12 2020  JO7KMB UT4VL -16 (x2)
191345 +10 1704  JO7KMB LZ100LZ +00
191415 -13 2021  JO7KMB UT4VL RR73
191515 -10 2027  JO7KMB IZ8PPI -19 (x2)
191745 -12 1588  JO7KMB <...> -15

SNR History by Band