S21ALT — FT8 station from Bangladesh

Bangladesh Grid: IM99

Amateur radio station S21ALT operating from Bangladesh (grid square IM99). 137 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 7 days, best SNR +18 dB. Heard between 2026-05-08 and 2026-07-21.

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Overview

137
Total spots
0
CQ calls
7
Days active
-6 dB
Avg SNR

Bands

20m 10m
First seen: 2026-05-08
Last seen: 2026-07-21 14:16 UTC

Frequent QSO partners observed at SO8OO

Stations S21ALT worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandS21ALTPartnerPartner SNRMsgs
07-21 16:14 20m 0 / - EA5RU - / - 4 Partial
07-21 16:12 20m -4 / - R7RBE - / - 3 Partial
07-21 16:08 20m -16 / - F1PFU - / - 5 Partial
07-21 16:07 20m -10 / - GM4SUF - / - 2 Partial
07-21 16:04 20m -6 / - GM4SUF - / - 2 Partial
07-21 16:02 20m +9 / - HG2DX - / -19 2 Partial
07-21 16:01 20m -12 / - LZ1BT - / - 4 Partial
07-21 16:00 20m +1 / - IV3UWA/0 - / - 9 Partial
07-21 15:59 20m 0 / - DL1R - / - 8 Partial
07-21 15:40 20m -17 / - RY6O - / - 2 Partial
07-21 14:37 20m +7 / - YO4NT - / -18 2 Partial
07-21 00:21 20m -13 / - 9A5E - / -11 3 ✓ Confirmed
07-19 18:36 20m -1 / - IZ2EID - / - 7 Partial
07-19 17:55 20m -17 / - S57AM - / -18 2 Partial
07-16 16:39 20m -10 / - DL6LAG - / -23 9 Partial
07-16 16:16 20m -4 / - IU5RTR - / - 2 Partial
07-15 18:01 20m -12 / - RK3AQ - / - 2 ✓ Confirmed
07-15 17:59 20m -8 / - R7AZ - / -10 2 Partial
07-15 17:52 20m -4 / - DL6LAG - / - 6 Partial
07-15 17:37 20m -13 / - UA3SAO - / -14 2 Partial
07-15 17:21 20m -10 / - UA9FAR - / - 2 Partial
07-15 17:19 20m -10 / - OZ1BUR - / - 2 ✓ Confirmed
07-15 17:08 20m -1 / - HA2AI - / - 9 Partial
07-15 17:07 20m -18 / - RK3AQ - / - 4 Partial
07-15 16:28 20m -8 / - EA7ALL - / -12 6 ✓ Confirmed
07-15 16:27 20m +2 / - DL1VJL - / - 5 Partial
07-15 16:26 20m +5 / - DL8UVG - / - 2 Partial
07-15 16:26 20m -8 / - F1NQP - / - 2 Partial
07-15 16:25 20m -1 / - DL5XU - / - 3 Partial
07-15 16:23 20m -5 / - DL1VJL - / - 3 Partial
05-22 11:57 10m +17 / - DC5ME - / -10 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
160445  -6 1664  S21ALT GM4SUF IO77 (x3)
160845 -16 1844  S21ALT F1PFU JN26 (x3)
161215  -5 2228  S21ALT R7RBE KN64 (x3)
161315 -12 1846  S21ALT F1PFU JN26 (x2)
161415  -2 1698  S21ALT EA5RU IM99 (x4)
10m 
UTC    dB  Freq  Message
115715 +18 1809  S21ALT DC5ME -10 (x2)
120445  +1 2367  S21ALT DO1WS JN58

SNR History by Band