BD4JN — FT8 station from China

China Grid: JN55

Amateur radio station BD4JN operating from China (grid square JN55). 354 FT8 spots received at SO8OO WebSDR, 24 CQ calls, active on 80m, 40m, 20m, 10m, over 17 days, best SNR +15 dB. Heard between 2026-04-22 and 2026-06-03.

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

Overview

354
Total spots
24
CQ calls
17
Days active
-5 dB
Avg SNR

Bands

80m 20m 40m 10m
First seen: 2026-04-22
Last seen: 2026-06-03 05:59 UTC

Frequent QSO partners observed at SO8OO

Stations BD4JN worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandBD4JNPartnerPartner SNRMsgs
06-03 07:58 20m +7 / - IK2YCW - / - 4 Partial
06-03 05:04 20m -16 / - RA9YJU - / +4 2 Partial
06-03 00:07 20m -11 / - YE4FNN - / - 2 Partial
06-02 22:22 20m +2 / - DL1VJL - / - 5 Partial
06-02 22:09 20m -10 / - TA3NK - / - 4 Partial
06-02 22:05 20m -7 / - TA3NK - / - 2 Partial
06-02 22:00 20m -1 / - Z35YL - / -9 5 ✓ Confirmed
06-02 21:48 20m +8 / - MD0CCE - / -10 2 ✓ Confirmed
06-02 21:42 20m +8 / -16 F5AUB -18 / -13 5 Partial
06-02 21:11 20m -1 / - M7SLE - / - 6 Partial
06-02 21:05 20m -3 / - IQ4JO - / -6 4 ✓ Confirmed
06-02 20:43 80m -1 / - M0RLC - / - 2 Partial
06-02 20:36 20m -9 / - DN4TG - / -16 3 Partial
06-02 20:28 20m -8 / - PE3T - / -9 2 ✓ Confirmed
06-02 20:21 20m -15 / - SP4GKU - / - 2 Partial
06-02 20:16 20m +2 / - UA3ALY - / -10 4 Partial
06-02 20:02 20m -10 / - SV1MOZ - / - 2 Partial
06-02 19:23 20m +8 / - F6BPZ - / -7 8 ✓ Confirmed
06-02 19:12 20m +3 / -8 S58N -8 / -21 9 ✓ Complete
06-02 19:11 20m - / -14 DM8BJF -10 / - 3 ✓ Confirmed
06-02 19:07 20m -6 / - IX1HPN - / -16 2 Partial
06-02 18:58 20m +2 / -10 CT1BWU -11 / -12 12 ✓ Complete
06-02 18:57 20m - / -18 SP6FME -16 / - 2 Partial
06-02 18:54 20m - / -11 DL7BO -14 / - 2 Partial
06-02 18:51 20m - / -18 WQ6Q -15 / - 2 ✓ Confirmed
06-02 18:43 20m +3 / -12 IQ4JO -8 / -13 6 ✓ Complete
06-02 18:42 20m +2 / - F4IIX -11 / -10 4 Partial
06-02 18:38 20m - / -6 ER5DX -7 / - 2 Partial
06-02 18:35 20m -8 / - EA3JEZ - / - 4 Partial
06-02 17:36 20m -2 / - M0BEW - / -8 2 ✓ Confirmed
06-02 17:04 20m -15 / - IK5EEA - / - 5 Partial
06-02 15:51 20m -17 / - ON6AA - / -11 3 Partial
06-02 14:41 20m - / - YB1KXV -18 / - 2 Partial
06-02 14:34 20m +10 / - E70SZ - / - 4 Partial
06-02 14:18 20m 0 / - IU5TUG - / - 3 Partial
06-02 13:47 20m +9 / - DL3MIB - / - 5 Partial
05-15 12:43 20m -14 / - JA3DAZ - / +1 2 ✓ Confirmed
05-15 12:16 20m -10 / - R9UDK - / -7 4 ✓ Confirmed
05-14 19:30 40m +4 / - LY7M - / - 2 ✓ Confirmed
05-14 18:46 40m +4 / - IZ4OUL - / -25 4 Partial
05-14 18:19 40m +1 / - SP7IIT - / -22 4 ✓ Confirmed
05-14 17:16 40m -4 / - EW6BZ - / - 2 Partial
05-13 11:11 20m -8 / - RA6OY - / -19 5 Partial
05-13 04:08 20m -22 / - RZ9M - / -18 4 Partial
05-11 23:28 20m -6 / - CT3IQ - / - 2 Partial
05-11 22:32 20m -6 / -3 SV5BYP -24 / -11 4 ✓ Complete
05-11 20:26 20m -10 / - IS0YHV - / -23 4 Partial
05-11 17:03 20m -8 / - F4BYA - / - 3 Partial
05-11 12:40 20m -8 / - UN8DAW - / -15 2 Partial
05-10 08:46 10m -16 / - A61DI - / -22 5 Partial

Station Log

20m 
UTC    dB  Freq  Message
222315  +0 2821  BD4JN DL1VJL JO60 (x3)
223645  -4  961  BD4JN TA3NK KN39 (x2)
233915 -16  879  BD4JN UI0A RR73
000715 -11 2330  BD4JN YE4FNN OI37 (x2)
050445 -16  961  BD4JN RA9YJU +04 (x2)
061930 -10  962  BD4JN R9UBE NO35
075800  +7 2196  BD4JN IK2YCW JN55 (x4)
80m 
UTC    dB  Freq  Message
204300  -1  815  BD4JN M0RLC JO02 (x2)
40m 
UTC    dB  Freq  Message
230145 -14  529  BD4JN XW4KV RR73
171345  +0 1125  BD4JN EW6BZ KO45 (x3)
181945  -2 1714  BD4JN SP7IIT KO00 (x4)
183845 -17  908  BD4JN UI5A 73
184645 +11 2132  BD4JN IZ4OUL -25 (x4)
193045  +2 2004  BD4JN LY7M +00 (x2)
10m 
UTC    dB  Freq  Message
083945  -9 1951  BD4JN A61DI -13 (x10)
095445 -10 1029  BD4JN A61DD -15

SNR History by Band