JR4ABB — FT8 station from Japan

Japan Grid: LN23

Amateur radio station JR4ABB operating from Japan (grid square LN23). 74 FT8 spots received at SO8OO WebSDR, 3 CQ calls, active on 40m, 10m, over 20 days, best SNR +19 dB. Heard between 2026-04-21 and 2026-06-28.

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Overview

74
Total spots
3
CQ calls
20
Days active
-7 dB
Avg SNR

Bands

40m 10m
First seen: 2026-04-21
Last seen: 2026-06-28 08:19 UTC

Frequent QSO partners observed at SO8OO

Stations JR4ABB worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandJR4ABBPartnerPartner SNRMsgs
06-28 10:18 10m -11 / - RD7P - / - 2 Partial
06-28 10:13 10m -14 / - LZ01MIKU - / -8 2 Partial
06-11 21:17 40m -12 / - 9X5KM - / -11 2 Partial
06-08 07:57 10m -10 / - OD5JL - / - 2 ✓ Confirmed
06-05 09:26 10m -10 / - R6FMF - / -11 4 ✓ Confirmed
06-05 09:24 10m -7 / - G4PMZ - / - 2 Partial
05-31 11:18 10m +2 / - TA2GG - / - 6 Partial
05-27 08:31 10m -13 / - 9A2G - / -2 2 ✓ Confirmed
05-27 08:31 10m -5 / - IU0TPA - / - 4 Partial
05-26 10:58 10m -19 / - UA6HI - / -9 2 Partial
05-26 10:54 10m +14 / - IU0NAD - / -7 2 ✓ Confirmed
05-10 21:07 40m -1 / - D2UY - / -20 2 ✓ Confirmed
05-09 11:14 10m -2 / - IZ7GLL - / - 2 Partial
05-09 08:31 10m -16 / - A61SD - / - 2 ✓ Confirmed
05-06 10:07 10m -6 / - 7Z1IS - / +3 2 ✓ Confirmed
05-03 07:01 10m -16 / - VU2ORO - / -18 2 ✓ Confirmed
04-29 08:18 10m - / -12 TA2R -12 / - 2 Partial
04-29 08:17 10m - / -11 IZ2JPN -16 / - 2 ✓ Confirmed
04-29 08:16 10m - / - IU6UAQ -14 / - 2 Partial
04-29 07:39 10m - / - DL2DN -21 / - 2 ✓ Confirmed
04-29 07:36 10m - / +2 OM5CM -19 / - 4 ✓ Confirmed
04-25 09:24 10m - / -11 IZ6SCG -14 / - 2 ✓ Confirmed
04-25 09:21 10m - / +1 UA3ZQN -16 / - 2 ✓ Confirmed
04-25 09:18 10m - / -14 DO1ID -17 / - 2 Partial
04-25 09:17 10m - / -14 OE3PTC -18 / - 4 ✓ Confirmed
04-24 11:54 10m -16 / - ZS6BAF - / - 2 Partial
04-24 11:30 10m +1 / - D2UY - / -20 4 Partial
04-24 08:53 10m 0 / - A71AH - / -6 2 ✓ Confirmed
04-21 07:39 10m 0 / - A41ZZ - / -15 2 Partial
04-21 07:36 10m +1 / - A41ZZ - / -18 2 Partial

Station Log

10m 
UTC    dB  Freq  Message
092400  -1 1329  JR4ABB G4PMZ IO91 (x2)
092600  -9  889  JR4ABB R6FMF -11
092600 -13 2275  JR4ABB IQ9BF 73
092630 -11  889  JR4ABB R6FMF -11 (x3)
075730 -12  994  JR4ABB OD5JL +00 (x2)
124315  -9 1263  JR4ABB A99AA 73
094730  +0 1890  JR4ABB 7Q3CM -03
101300 -17 1477  JR4ABB LZ01MIKU -08 (x2)
101800 -10 1316  JR4ABB RD7P LN23 (x2)
40m 
UTC    dB  Freq  Message
210615  -9  606  JR4ABB ZS1J R-06
210700  +0 2531  JR4ABB D2UY R-20 (x2)
211700 -12  798  JR4ABB 9X5KM -11 (x2)

SNR History by Band