JH7RTQ — FT8 station from Japan

Japan Grid: JO46

Amateur radio station JH7RTQ operating from Japan (grid square JO46). 351 FT8 spots received at SO8OO WebSDR, 21 CQ calls, active on 40m, 20m, 10m, over 52 days, best SNR +18 dB. Heard between 2026-04-25 and 2026-07-24.

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

Overview

351
Total spots
21
CQ calls
52
Days active
-8 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-25
Last seen: 2026-07-24 10:49 UTC

Frequent QSO partners observed at SO8OO

Stations JH7RTQ worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJH7RTQPartnerPartner SNRMsgs
07-20 08:42 20m -1 / - DL1R - / - 8 Partial
07-20 08:42 20m -16 / - PD7JLP - / - 2 Partial
07-20 07:59 20m -17 / - LA8OOA - / -20 6 Partial
07-20 06:11 20m -7 / - KS4OT - / -10 3 Partial
07-16 13:07 20m -16 / - RU3QR - / -6 5 Partial
07-16 12:57 20m -21 / - E75EP - / -22 2 Partial
07-16 12:53 20m -9 / - UG4Y - / -21 3 ✓ Confirmed
07-16 12:50 20m -18 / - DL1UDO - / - 4 Partial
07-16 12:42 20m -8 / - G0SBN - / -19 2 ✓ Confirmed
07-13 15:12 20m -11 / - EA3GXK - / - 3 Partial
07-13 15:05 20m -13 / - DL1YS - / -26 4 Partial
07-13 13:17 20m -11 / - UT4VL - / -17 6 Partial
07-13 12:20 20m -19 / - PD2WL - / -5 4 ✓ Confirmed
07-13 12:00 20m -21 / - ON1DGN - / - 3 Partial
07-12 13:42 20m -15 / - R4SCB - / -11 2 ✓ Confirmed
07-09 13:02 20m -6 / - F1IQH - / - 4 Partial
07-09 12:55 20m -13 / - <...> - / -17 7 Partial
07-09 12:55 20m -16 / - R6OEY - / - 3 Partial
07-09 12:26 20m -14 / - PA0GDL - / - 4 Partial
07-09 12:26 20m -17 / - DF3MC - / - 4 Partial
07-09 12:22 20m -8 / - DB5FW - / -16 2 Partial
07-08 12:31 20m -9 / - <...> - / -14 3 Partial
07-06 13:37 20m -3 / - DL1R - / - 7 Partial
07-06 13:27 20m -14 / - YO9PH - / -20 2 ✓ Confirmed
07-02 12:40 20m +3 / - DH9DR - / - 9 Partial
07-02 12:19 20m +1 / - DH9DR - / - 11 Partial
06-26 13:33 20m -10 / - RM4N - / -14 2 Partial
06-25 09:56 20m -18 / - DL2FCK - / -24 2 ✓ Confirmed
06-22 14:01 20m +5 / - R3OR - / -24 3 Partial
06-21 08:45 20m -4 / - <...> - / -17 3 Partial
06-19 23:38 20m - / -18 TJ1GD/P -9 / - 3 ✓ Confirmed
06-19 23:34 20m - / - TJ1GD/P -10 / - 2 Partial
06-19 23:11 20m - / -13 BA6IM -11 / - 3 ✓ Confirmed
06-19 23:06 20m - / -14 <...> -10 / - 2 Partial
06-19 14:36 20m -10 / -7 R2DN -14 / - 3 ✓ Verified
06-19 14:33 20m - / - A61CK -17 / - 3 Partial
06-19 12:37 20m -8 / - OH3CBN - / - 5 Partial
06-18 22:10 20m - / - IQ9BF -13 / - 3 Partial
06-13 21:41 20m -18 / - DS5DNO/P -8 / -9 3 ✓ Verified
06-13 21:40 20m - / -12 R6FNE -8 / - 2 ✓ Confirmed
06-13 21:37 20m - / - IS0AFM -3 / - 2 Partial
06-13 15:09 20m +4 / - R9FFZ - / -16 2 ✓ Confirmed
06-12 23:08 20m +1 / - IU2VBP - / -23 3 ✓ Confirmed
06-12 23:01 20m -5 / - IU4RWW - / -14 4 ✓ Confirmed
06-12 22:49 20m 0 / - DL9RDM - / -3 5 ✓ Confirmed
06-12 22:43 20m 0 / - DL9RDM - / -4 5 Partial
06-12 13:44 20m -10 / - HB9CVM - / - 2 Partial
06-12 13:36 20m +10 / -11 RU3T/P -14 / -2 4 ✓ Complete
06-11 11:21 10m -12 / - 9X5KM - / +5 2 Partial
06-10 23:45 20m +7 / - 9X5KM - / -7 3 Partial

Station Log

20m 
UTC    dB  Freq  Message
080230 -23 1391  JH7RTQ LA8OOA -20 (x2)
084230  -8 2722  JH7RTQ DL1R JN58
084230 -15 2184  JH7RTQ PD7JLP JO32
084300  -8 2722  JH7RTQ DL1R JN58
084300 -18 2184  JH7RTQ PD7JLP JO32
084330  +4 2722  JH7RTQ DL1R JN58 (x6)
135630 -18 1263  JH7RTQ M0YMC IO84
142630 -14 1796  JH7RTQ DM3NA R+01
124945 -13  979  JH7RTQ OZ1CM JO46
10m 
UTC    dB  Freq  Message
102415  -4  380  IK2DDR JH7RTQ 73
102545  -7  379  <...> JH7RTQ QM07 (x2)
102600 -12 2276  JH7RTQ 7Q9PTP +05 (x3)
135730 -10 2276  JH7RTQ 7Q8AK +02 (x2)
124930 +10  383  JH7RTQ RR73; UA3EDQ <...> -04
112130  -9  819  JH7RTQ 9X5KM +05 (x2)
112830 -10  818  JH7RTQ RR73; JH2WDT <...> -06
114400 -19 1597  JH7RTQ EX8ABR -05
131400 -11 1680  JH7RTQ A60PC/14 +00
102200 -20 2004  JH7RTQ 7Q3WS -23
40m 
UTC    dB  Freq  Message
152930 -11 1416  JH7RTQ EW8DU KO52 (x5)

SNR History by Band