S21SM — FT8 station from Bangladesh

Bangladesh Grid: IM67

Amateur radio station S21SM operating from Bangladesh (grid square IM67). 363 FT8 spots received at SO8OO WebSDR, 9 CQ calls, active on 20m, 10m, over 9 days, best SNR +28 dB. Heard between 2026-05-28 and 2026-06-05.

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Overview

363
Total spots
9
CQ calls
9
Days active
-2 dB
Avg SNR

Bands

20m 10m
First seen: 2026-05-28
Last seen: 2026-06-05 14:24 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
06-05 16:18 20m +4 / - EA5DKT - / -15 2 ✓ Confirmed
06-05 16:18 20m 0 / - YO3APJ - / - 2 Partial
06-05 16:17 20m -1 / - CT7AUT - / - 4 Partial
06-05 16:14 20m 0 / - 4X1ST - / - 2 Partial
06-05 16:11 20m +1 / - RA9YDF - / -10 2 ✓ Confirmed
06-04 17:18 20m -16 / - IW3RPW - / -14 3 Partial
06-04 17:11 20m -12 / - YC1SDZ - / - 2 Partial
06-04 17:04 20m -8 / - YC1SDZ - / - 2 ✓ Confirmed
06-04 16:57 20m +6 / - R4HHN - / -13 3 ✓ Confirmed
06-04 11:02 10m +1 / - PA1AD - / - 8 Partial
06-04 08:44 10m +15 / - RZ3EM - / -19 15 Partial
06-04 08:24 10m +1 / - R2DX - / - 11 Partial
06-04 01:28 20m -6 / - IT9ELM - / - 4 Partial
06-04 01:10 20m +2 / - OH2NNE - / - 2 Partial
06-04 00:20 20m -12 / - YE4FNN - / -18 3 ✓ Confirmed
06-03 23:59 20m 0 / - IQ7PU - / - 2 Partial
06-03 23:54 20m +6 / - SV1HFE - / - 5 Partial
06-03 23:49 20m +3 / - SV1HFE - / - 2 Partial
06-02 01:24 20m 0 / - ZL4KX - / - 3 Partial
06-01 12:11 20m -2 / - RM8W - / -22 2 Partial
05-31 18:23 20m -12 / - R2DLS - / - 2 Partial
05-31 18:18 20m +6 / - JA4TKY - / - 28 Partial
05-31 18:18 20m -1 / - UA1ZJV - / -18 3 ✓ Confirmed
05-31 18:14 20m +8 / - RZ4FWA - / - 4 Partial
05-31 18:13 20m -10 / - R2DLS - / - 5 Partial
05-31 18:09 20m 0 / - JA4TKY - / - 2 Partial
05-31 18:07 20m -8 / - SP3EK - / -14 2 ✓ Confirmed
05-31 18:05 20m +2 / - IZ2OAR - / - 3 Partial
05-31 18:02 20m -12 / - R2DLS - / - 2 Partial
05-31 18:01 20m -10 / - RK3AQ - / -17 2 Partial
05-31 18:00 20m -3 / - LA2JKA - / - 8 Partial
05-31 17:52 20m -9 / - IU6CWS - / -19 9 ✓ Confirmed
05-31 17:49 20m -14 / - IU6CWS - / - 2 Partial
05-31 17:48 20m +2 / - LA2JKA - / - 2 Partial
05-31 17:36 20m +8 / - HB9AIT - / - 6 Partial
05-31 17:36 20m +3 / - LZ2PC - / -22 7 Partial
05-31 17:32 20m +6 / - UN7EAX - / - 5 Partial
05-31 16:07 20m -14 / - JA6CNL - / -16 2 ✓ Confirmed
05-30 20:00 20m -20 / - R1QBQ - / -13 2 ✓ Confirmed
05-30 19:52 20m -18 / - F4ELK - / -14 2 ✓ Confirmed
05-30 19:50 20m -13 / -8 GI0PGC -24 / -16 3 ✓ Complete
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

Station Log

20m 
UTC    dB  Freq  Message
161215  +1  638  S21SM RA9YDF -10
161445  +3 1571  S21SM 4X1ST KM72 (x2)
161745  -3  808  S21SM CT7AUT IM67 (x2)
161815  +6 2200  S21SM EA5DKT R-15
161815  -1 1022  S21SM YO3APJ KN34 (x2)
161915  +1 2200  S21SM EA5DKT 73
161915  +1  808  S21SM CT7AUT IM67 (x2)
162115  -3  916  S21SM RW0AR 73
162215  +8 1693  S21SM OH8DGV KP25
162445  -5 2473  S21SM YU7YZ JN95
162445  +6  808  S21SM CT7AUT IM67
10m 
UTC    dB  Freq  Message
084900 +10 2331  S21SM RZ3EM -19 (x7)
110245  +9 1164  S21SM PA1AD JO21 (x8)

SNR History by Band