S21SM — FT8 station from Bangladesh

Bangladesh Grid: NL53

Amateur radio station S21SM operating from Bangladesh (grid square NL53). 159 FT8 spots received at SO8OO WebSDR, 6 CQ calls, active on 20m, 10m, over 3 days, best SNR +28 dB. Heard between 2026-05-28 and 2026-05-30.

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Overview

159
Total spots
6
CQ calls
3
Days active
-3 dB
Avg SNR

Bands

20m 10m
First seen: 2026-05-28
Last seen: 2026-05-30 17:37 UTC

Frequent QSO partners observed at SO8OO

Stations S21SM worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandS21SMPartnerPartner SNRMsgs
05-30 19:38 20m - / -8 JA8JAK -22 / - 2 Partial
05-30 19:34 20m +8 / -16 EA4BNB -21 / -15 5 ✓ Complete
05-30 19:32 20m -2 / -15 DL1ARS -19 / -14 4 ✓ Complete
05-30 19:18 20m -8 / - JA1ILA - / -16 3 ✓ Confirmed
05-30 19:03 20m 0 / - DL1YKQ - / - 2 Partial
05-30 18:53 20m -13 / - R3QJ - / - 2 Partial
05-30 16:36 20m -1 / - IZ8EDI - / - 4 Partial
05-30 16:18 20m 0 / - RX3DQX - / -26 2 Partial
05-30 16:18 20m -1 / - RW0AR - / - 3 Partial
05-30 16:13 20m -21 / - BA3QIQ - / - 2 ✓ Confirmed
05-30 08:41 10m -12 / - TA2EJ - / -19 3 ✓ Confirmed
05-30 02:29 20m -9 / - R9HBF - / -14 3 ✓ Confirmed
05-30 01:53 20m +16 / - RK9UN - / -16 3 Partial
05-30 01:47 20m -7 / - RN9N - / -10 4 ✓ Confirmed
05-30 01:43 20m -21 / - UA9YJM - / - 2 ✓ Confirmed
05-30 00:48 20m -1 / - EA7KGJ - / -25 4 Partial
05-29 16:47 20m -12 / - UA4PEF - / - 2 Partial
05-29 16:43 20m -14 / - UA4PEF - / - 2 Partial
05-29 16:41 20m +2 / - R8AC - / -16 5 ✓ Confirmed
05-29 16:39 20m +10 / - RG2V - / -22 2 Partial
05-29 16:33 20m -8 / -20 BA7LIX -18 / -18 4 ✓ Complete
05-29 16:31 20m -10 / - RA3PS - / -19 3 ✓ Confirmed
05-29 16:24 20m -9 / - JF1JBO - / -14 3 ✓ Confirmed
05-29 16:24 20m -3 / - R9SCJ - / - 2 Partial
05-29 16:09 20m -16 / - UA5D - / -25 3 Partial
05-29 16:08 20m -6 / - RG5A - / -11 3 ✓ Confirmed
05-29 16:08 20m -13 / - UA4PEF - / - 6 Partial
05-29 15:54 20m +7 / - TA4SM - / -15 3 ✓ Confirmed
05-29 15:52 20m -12 / - R4GD -24 / -24 4 ✓ Verified
05-29 01:53 20m -20 / - EX8ABQ - / -11 2 Partial
05-29 01:45 20m -6 / - UN2E - / -13 6 ✓ Confirmed
05-28 17:27 20m +6 / - 2E0MTK - / -13 4 Partial
05-28 17:23 20m +26 / - RA3M - / -16 3 Partial
05-28 17:22 20m -5 / - RX3ASQ - / -22 3 Partial
05-28 17:22 20m +19 / - RL3T - / - 3 Partial
05-28 17:16 20m -8 / - RA3AL - / -11 3 ✓ Confirmed
05-28 17:10 20m +20 / - RL3T - / - 3 Partial
05-28 17:07 20m +24 / - RL3T - / - 2 Partial
05-28 17:00 20m +22 / - RL3T - / - 6 Partial
05-28 16:37 20m -20 / - R4PHH - / - 2 Partial
05-28 16:34 20m +4 / - RL3T - / - 2 Partial
05-28 16:22 20m -17 / - R9FDE - / - 3 ✓ Confirmed
05-28 16:18 20m -6 / - R8FB - / - 2 Partial
05-28 15:17 20m +2 / - R8FB - / - 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
193045 -24 1685  CQ S21SM NL53
193115 -23 1686  DK6XY S21SM -07
193230  -2 1685  S21SM DL1ARS JN48
193345 -19 1686  DL1ARS S21SM -15
193415 -21 1686  CQ S21SM NL53
193430  +1 1685  S21SM DL1ARS R-14
193430  +0 1917  S21SM EA4BNB -15
193500  -4 1685  S21SM DL1ARS 73
193500 +10 1743  S21SM EA4BNB -15 (x2)
193545 -21 1686  EA4BNB S21SM R-16
193600  +9 1744  S21SM EA4BNB RR73
193745 -17 1685  CQ S21SM NL53
193815 -22 1685  JA8JAK S21SM -08 (x2)
10m 
UTC    dB  Freq  Message
104345  +1 1144  S21SM A61DD LL85
084100 -12 1259  S21SM TA2EJ KM59 (x3)

SNR History by Band