7M4CLF — FT8 station from Japan

Japan Grid: ?

Amateur radio station 7M4CLF operating from Japan. 174 FT8 spots received at SO8OO WebSDR, 5 CQ calls, active on 80m, 40m, 20m, over 8 days, best SNR +22 dB. Heard between 2026-06-06 and 2026-07-14.

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

Overview

174
Total spots
5
CQ calls
8
Days active
-3 dB
Avg SNR

Bands

80m 20m 40m
First seen: 2026-06-06
Last seen: 2026-07-14 12:42 UTC

Frequent QSO partners observed at SO8OO

Stations 7M4CLF worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBand7M4CLFPartnerPartner SNRMsgs
06-30 16:24 20m +2 / - IK2ZJR - / - 2 ✓ Confirmed
06-30 16:23 20m -10 / - R3YK - / - 3 Partial
06-30 16:13 20m -6 / - 4L1FL - / -9 2 Partial
06-30 16:13 20m -2 / - E77FN - / -16 2 Partial
06-30 16:12 20m -4 / - R3KCW - / - 3 ✓ Confirmed
06-30 16:12 20m -8 / - RX3VF - / -13 6 ✓ Confirmed
06-30 16:09 20m -13 / - R7DX - / -3 3 Partial
06-30 15:51 20m -14 / - R4AGO - / -4 5 Partial
06-30 15:48 20m -3 / - F5URG - / -12 7 Partial
06-30 15:45 20m -7 / - IZ8EYN - / -17 3 Partial
06-27 03:17 40m -8 / - UA3WG - / - 3 Partial
06-26 19:56 20m -13 / - IZ5BLN - / - 2 Partial
06-26 19:54 20m +10 / - F5PGA - / -2 2 Partial
06-26 19:39 20m 0 / - RM3TO - / - 2 Partial
06-26 19:39 20m +1 / - F5PGA - / - 4 Partial
06-26 18:54 80m -2 / - RV9FF - / -17 6 ✓ Confirmed
06-26 18:51 80m +7 / - RX6DA - / -14 2 ✓ Confirmed
06-26 18:46 80m +16 / - R6FS - / -14 2 ✓ Confirmed
06-26 18:34 80m -9 / - RW9WJ - / -16 4 ✓ Confirmed
06-26 17:43 20m +10 / - 9A5TW - / - 4 Partial
06-24 19:22 80m +4 / - R7CD - / -11 2 ✓ Confirmed
06-24 19:18 80m -12 / - R9SAP - / -14 2 ✓ Confirmed
06-24 18:38 20m +6 / - OE9GWV - / - 3 Partial
06-24 18:37 20m -16 / - IZ2SXZ - / -5 2 Partial
06-24 18:20 40m -16 / - DK7ZT - / -24 2 Partial
06-16 18:34 20m +4 / -16 F4IFK 0 / - 3 ✓ Verified
06-16 18:33 20m - / -9 F5RRS +2 / - 2 ✓ Confirmed
06-16 18:32 20m - / -13 UB6OCP 0 / - 2 ✓ Confirmed
06-16 18:31 20m - / -14 LZ4VR -2 / - 2 ✓ Confirmed
06-16 18:30 20m - / -14 DL5JMN 0 / - 2 ✓ Confirmed
06-16 18:29 20m +17 / -11 OK4FX 0 / - 3 Partial
06-16 18:26 20m - / -17 PD0HLA -1 / - 3 Partial
06-16 18:24 20m - / -13 UA6LCF +1 / - 2 ✓ Confirmed
06-16 18:23 20m +2 / - G0CLH - / - 5 Partial
06-16 18:23 20m - / -18 OK2CNI -2 / - 2 ✓ Confirmed
06-16 18:20 20m +11 / -15 EB3JT -4 / -12 6 ✓ Complete
06-16 18:19 20m -16 / - YO8RC 0 / - 2 ✓ Verified
06-16 18:18 20m - / -7 BA4OO -2 / - 2 ✓ Confirmed
06-16 18:17 20m - / -12 E77TH -2 / - 2 ✓ Confirmed
06-16 18:15 20m +7 / -12 RW4F 0 / +4 6 ✓ Complete
06-16 18:14 20m - / -21 IK3OBX 0 / - 2 ✓ Confirmed
06-16 18:13 20m -3 / -4 SP5EXA -2 / -6 5 ✓ Complete
06-16 18:12 20m - / -14 ON7DJ 0 / - 2 ✓ Confirmed
06-16 18:10 20m - / -15 DL9KM 0 / - 2 ✓ Confirmed
06-16 18:09 20m - / -5 BG5DMC +1 / - 2 ✓ Confirmed
06-16 18:08 20m - / -8 RX3ASQ -2 / - 2 ✓ Confirmed
06-16 18:06 20m - / -15 RA6YDX 0 / - 2 ✓ Confirmed
06-16 18:03 20m - / -15 R6DJR 0 / - 2 ✓ Confirmed
06-16 18:02 20m - / -7 UW8SM -1 / - 2 ✓ Confirmed
06-16 18:01 20m - / -10 OE3UKW -1 / - 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
161430 -10 2504  7M4CLF RX3VF LO06 (x4)
161900  -6 2720  7M4CLF DL1R JN58
161930  +4 2720  7M4CLF IK2ZJR JN45
162330  -7  446  7M4CLF R3YK KO73
162430  +4 2721  7M4CLF IK2ZJR JN45
162430 -11  445  7M4CLF R3YK KO73
162530  -1 2720  7M4CLF IK2ZJR 73
162630 -11  445  7M4CLF R3YK KO73
132045  -4  346  7M4CLF R3KLE KO91
173430 -17 2146  7M4CLF SV2AEL R-16
191430 -12 1563  7M4CLF JY5CG -20
144230 -16 1576  7M4CLF A71DA RR73
40m 
UTC    dB  Freq  Message
174745  +2 2441  7M4CLF RG7M 73
175415  -7 2187  7M4CLF R2DVU KO95 (x2)
175545 -12 1528  7M4CLF R1TET KO78
175700 -12 2383  7M4CLF D2UY -10 (x2)
175845  -9 1528  7M4CLF R1TET +06 (x3)
181815 -22 1636  7M4CLF R4HIV R-07
182015 -14 1904  7M4CLF DK7ZT -24 (x2)
031700 -10 2160  7M4CLF UA3WG KO71 (x3)
80m 
UTC    dB  Freq  Message
192245  +5 1285  7M4CLF R7CD RR73
183445 -10 1410  7M4CLF RW9WJ LO84 (x4)
184630 +17 2703  7M4CLF R6FS -14 (x2)
185130  +9 1734  7M4CLF RX6DA -14 (x2)
185430  -1  937  7M4CLF RV9FF LO87 (x6)

SNR History by Band