BA4RF — FT8 station from China

China Grid: IO83

Amateur radio station BA4RF operating from China (grid square IO83). 1,850 FT8 spots received at SO8OO WebSDR, active on 160m, 80m, 60m, 40m, 20m, 10m, over 23 days, best SNR +25 dB. Heard between 2026-04-22 and 2026-05-22.

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

Overview

1,850
Total spots
0
CQ calls
23
Days active
-3 dB
Avg SNR

Bands

80m 20m 60m 40m 10m 160m
First seen: 2026-04-22
Last seen: 2026-05-22 21:23 UTC

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandBA4RFPartnerPartner SNRMsgs
05-22 23:22 60m -16 / - G6OPV - / - 2 Partial
05-22 23:20 60m -4 / -17 PA3FR -7 / -12 4 ✓ Complete
05-22 23:14 60m - / - SN80TOW -5 / - 3 Partial
05-22 23:09 60m - / - <...> -2 / - 2 Partial
05-22 23:05 60m - / -16 4X1VL -2 / - 4 ✓ Confirmed
05-22 22:54 60m -9 / -16 DG4MCB -2 / -11 5 ✓ Complete
05-22 22:48 60m -4 / -13 GI4DOH -1 / -12 5 ✓ Complete
05-22 22:26 60m -7 / -18 DL2IR -1 / - 4 ✓ Verified
05-22 22:21 60m - / -19 SP9SIL +1 / - 2 ✓ Confirmed
05-22 22:19 60m 0 / -11 HA5LB +1 / -15 6 ✓ Complete
05-22 22:15 60m - / -14 EA1IQM +2 / - 2 ✓ Confirmed
05-22 22:13 60m +1 / -15 DK7QJ +2 / -3 5 ✓ Complete
05-22 22:11 60m - / -20 SP4OIK +2 / - 5 ✓ Confirmed
05-22 22:08 60m - / -24 SP9OJ +3 / - 3 ✓ Confirmed
05-22 22:05 60m - / - SV4TQR 0 / - 3 Partial
05-22 22:02 60m - / -13 IT9JOB -1 / - 3 ✓ Confirmed
05-22 22:00 60m -12 / -11 IW1FRD +1 / -7 6 ✓ Complete
05-22 21:56 60m -15 / -18 DL5ARM 0 / - 4 ✓ Verified
05-22 21:52 60m - / -3 DB6LL/P +2 / - 2 Partial
05-22 21:51 60m -8 / -16 GE7RTI 0 / - 3 ✓ Verified
05-22 21:48 60m -20 / -10 EA7LGM +3 / -8 4 ✓ Complete
05-22 21:44 60m -12 / -20 SM4TIW +2 / -5 5 ✓ Complete
05-22 21:43 60m +7 / -9 DB6LL/P +4 / +6 5 ✓ Complete
05-22 21:41 60m - / -14 HB9EKJ +3 / - 3 ✓ Confirmed
05-22 21:37 60m +11 / - DB6LL/P - / - 3 Partial
05-22 21:37 60m -16 / -11 DB7VX +2 / -4 5 ✓ Complete
05-22 21:35 60m -17 / -20 G0WSJ +1 / -12 4 ✓ Complete
05-22 21:33 60m - / - EA4DUT +1 / - 3 Partial
05-22 21:31 60m +4 / -9 SQ9DXJ 0 / -5 5 ✓ Complete
05-22 21:30 60m -14 / -3 5B4AMX +1 / +5 5 ✓ Complete
05-22 21:27 60m - / - <...> +1 / - 3 Partial
05-22 21:22 60m -3 / -12 HA6NN -2 / - 6 ✓ Complete
05-22 21:21 60m -6 / - LZ1SEO +1 / -8 3 Partial
05-20 20:54 60m - / - <...> -9 / - 3 Partial
05-20 20:22 60m -15 / -20 ES1REV -7 / -5 4 ✓ Complete
05-20 20:18 60m -10 / -17 SP5OAB -6 / -4 4 ✓ Complete
05-20 20:17 60m - / - ES1REV -5 / - 3 Partial
05-20 04:58 20m -12 / -5 RC9WC -3 / - 3 ✓ Complete
05-20 04:57 20m +16 / -3 PI4DX +4 / +4 4 ✓ Complete
05-20 04:57 20m - / -16 I6PJC +7 / - 2 ✓ Confirmed
05-20 04:55 20m - / - ES8AF +2 / - 2 Partial
05-20 04:52 20m - / - SV2HXV +5 / - 3 Partial
05-20 04:51 20m - / - IT9JNR 0 / - 2 Partial
05-20 04:50 20m - / - IT9LCJ +2 / - 2 Partial
05-20 04:48 20m - / - SV2HXV +6 / - 3 Partial
05-20 04:46 20m - / -12 Z35Z 0 / - 2 ✓ Confirmed
05-20 04:44 20m - / -9 OH4KRN +2 / - 2 ✓ Confirmed
05-20 04:42 20m - / - YM9KE +5 / - 2 Partial
05-20 04:35 20m - / -22 LX1TI +2 / - 2 ✓ Confirmed
05-20 04:34 20m - / - YM9KE -2 / - 2 Partial

Station Log

60m
UTC    dB  Freq  Message
230545  -4  377  4X1VL BA4RF NN33 (x3)
230900  -3  377  <...> BA4RF NN33 (x2)
231000  -5  377  <SN80TOW> BA4RF NN33 (x4)
232030  -4 1256  BA4RF PA3FR -12
232045  -7  377  PA3FR BA4RF R-17
232100  -3 1256  BA4RF PA3FR RR73
232115  -7  377  PA3FR BA4RF 73
232230 -16 1793  BA4RF G6OPV IO83 (x2)
20m
UTC    dB  Freq  Message
045215  +1  309  IT9JNR BA4RF NN33
045245  +6  309  SV2HXV BA4RF NN33 (x3)
045530  +1  309  ES8AF BA4RF NN33 (x2)
045700  +5  309  I6PJC BA4RF -16 (x2)
045745 +16 1152  BA4RF PI4DX JO21
045800  +4  309  PI4DX BA4RF -03
045815 +17 1152  BA4RF PI4DX R+04
045845  -7 2001  BA4RF RC9WC +00
045845 +16 1152  BA4RF PI4DX 73
045900  -3  309  RC9WC BA4RF R-05
045915 -18 2001  BA4RF RC9WC RR73
80m
UTC    dB  Freq  Message
222230  -9  251  VK9BSA BA4RF NN33 (x6)
222545 +13  561  BA4RF OK1DOL JN69
222600 -13  251  OK1DOL BA4RF -04
222615 +16  561  BA4RF OK1DOL R+08 (x2)
223730  -7  840  BA4RF TA7ARH +00 (x2)
224145 -18  252  TB7HBY BA4RF NN33 (x3)
160m
UTC    dB  Freq  Message
221845  +5 1811  BA4RF IK1HJS R-15 (x3)
222115  -3  531  BA4RF SP7NC JO91
222145  -2 1091  BA4RF SP6FEK KN09
222215  -2  532  BA4RF SP7NC JO91
222215  -2  920  BA4RF SP6FEK KN09
222245  +2  532  BA4RF SP7NC JO91
222245  -2  920  BA4RF SP6FEK KN09
222315  +1  531  BA4RF SP7NC JO91
222315  -3  920  BA4RF SP6FEK KN09
222345  +2  532  BA4RF SP7NC JO91
222345  -3  920  BA4RF SP6FEK KN09
213915  -9  375  <...> BA4RF NN33 (x2)
40m
UTC    dB  Freq  Message
233045  +0  320  LU6HOG BA4RF NN33
233045  +1  432  BA4RF SV3SFK KM08
233115  +0  320  LU6HOG BA4RF NN33 (x2)
233230  -4  320  A61OK BA4RF NN33
233330  -2  320  CR7CBH BA4RF -18 (x2)
233545  +1  321  KB3Z BA4RF R-16 (x2)
233645  +2  320  K8ZZ BA4RF NN33 (x4)
040800  -6 1033  BA4RF SV1MOZ KM17 (x2)
10m
UTC    dB  Freq  Message
104930  -4  355  DN9JGL BA4RF RR73
105045 -16 1230  BA4RF PU3ACK GG30
105100  -9  355  HG2DX BA4RF 73
105115 -13 1232  BA4RF PU3ACK GG30 (x5)
105400  +4  355  UR4UUY BA4RF -26 (x2)
105630  +5  355  LX1NO BA4RF NN33
061700 -11  301  A61DI BA4RF NN33 (x2)
062930 -10  301  UT6UZ BA4RF -13
065430 -12  301  A61DI BA4RF NN33

SNR History by Band