4S6ARW — FT8 station from Sri Lanka

Sri Lanka Grid: KO85

Amateur radio station 4S6ARW operating from Sri Lanka (grid square KO85). 1,545 FT8 spots received at SO8OO WebSDR, 83 CQ calls, active on 80m, 40m, 20m, 10m, over 42 days, best SNR +21 dB. Heard between 2026-04-20 and 2026-06-09.

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

Overview

1,545
Total spots
83
CQ calls
42
Days active
-6 dB
Avg SNR

Bands

80m 20m 40m 10m
First seen: 2026-04-20
Last seen: 2026-06-09 22:17 UTC

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBand4S6ARWPartnerPartner SNRMsgs
06-10 00:15 40m -1 / - RV3H - / - 2 Partial
06-10 00:00 40m -8 / - SV1PMR - / - 4 Partial
06-09 23:45 40m -6 / - F1IQH - / - 3 Partial
06-09 23:33 40m +15 / - DG1KPC - / -13 3 Partial
06-09 17:21 20m -2 / - RV3GZ - / -21 4 ✓ Confirmed
06-09 17:00 20m -14 / - S56UVB - / -17 13 ✓ Confirmed
06-09 16:47 20m -15 / - RL2Y - / - 3 Partial
06-09 16:41 20m -24 / - R6OAA - / -17 2 ✓ Confirmed
06-09 13:32 20m -2 / - <...> - / -8 2 Partial
06-09 13:31 20m -7 / - UA9YTP - / - 2 ✓ Confirmed
06-09 00:02 40m -3 / - GI4DOH - / - 5 Partial
06-08 23:46 40m +7 / - LB5JK - / -13 5 ✓ Confirmed
06-08 23:45 40m 0 / - YL2NX - / -15 4 ✓ Confirmed
06-08 23:40 40m +2 / - LB5JK - / - 2 Partial
06-08 23:34 40m -8 / - <...> - / -18 2 Partial
06-08 23:33 40m -2 / - UG4L - / -12 3 ✓ Confirmed
06-08 23:31 40m +4 / - YL2NX - / - 4 Partial
06-08 23:24 40m 0 / - LB5JK - / - 3 Partial
06-08 23:22 40m 0 / - YL2NX - / - 6 Partial
06-08 23:22 40m -4 / - EA5XC - / - 2 Partial
06-08 23:22 40m +14 / - GW8DX - / - 3 Partial
06-08 23:21 40m -5 / - EA1CQ - / -14 17 Partial
06-08 23:16 40m -3 / - R3IBZ - / - 2 Partial
06-08 17:03 20m +4 / - YT1UBN - / - 11 Partial
06-08 17:02 20m +12 / - 9A2RD - / - 2 Partial
06-08 17:01 20m +4 / - IZ2CPP - / -8 4 ✓ Confirmed
06-08 16:46 20m 0 / - RA1OK - / -14 3 Partial
06-08 16:40 20m +5 / - RX3OL - / -21 3 ✓ Confirmed
06-08 16:26 20m -14 / - S58WW - / -17 2 ✓ Confirmed
06-08 16:23 20m -2 / - F1RAU - / - 3 Partial
06-08 16:23 20m -6 / - F4JIB - / -14 3 ✓ Confirmed
06-08 13:26 20m -19 / - OK2WN - / - 3 Partial
06-06 19:02 20m - / -20 DJ0ABM -16 / - 2 ✓ Confirmed
06-06 18:59 20m - / -13 OM7TJ -19 / - 2 ✓ Confirmed
06-06 18:45 20m -12 / - DL2ZM - / - 2 Partial
06-06 18:45 20m +8 / - IZ8DUD - / -10 7 Partial
06-06 18:44 20m +3 / - G6TEQ - / - 2 Partial
06-06 18:42 20m +3 / - OH6MTG - / - 3 Partial
06-06 18:41 20m +7 / -17 IT9JLP -10 / -22 5 ✓ Complete
06-06 18:40 20m -4 / - RI0SP - / -13 2 Partial
06-06 18:33 20m -3 / -10 ON7DJ -7 / -15 8 ✓ Complete
06-06 18:29 20m - / -19 IU2UDS -8 / - 2 Partial
06-06 18:27 20m - / -13 IZ8XJJ -6 / - 2 ✓ Confirmed
06-06 18:24 20m - / -15 PD0JOY -6 / - 4 ✓ Confirmed
06-06 18:22 20m - / -6 RU3T -4 / - 2 ✓ Confirmed
06-06 18:16 20m -3 / - R3QG - / -14 3 Partial
06-06 18:14 20m +8 / - GW5JJV -8 / -13 4 ✓ Verified
06-06 18:12 20m - / -19 YU1LM -7 / - 4 ✓ Confirmed
06-06 18:09 20m - / -15 PD2GCM -5 / - 2 ✓ Confirmed
06-06 18:04 20m - / -23 IN3EJX -17 / - 2 ✓ Confirmed

Station Log

40m
UTC    dB  Freq  Message
000345  -2 2121  4S6ARW GI4DOH IO74 (x3)
233345 +15  840  4S6ARW DG1KPC JO30 (x3)
234545  -6  840  4S6ARW F1IQH JN27 (x3)
000045  -8 1532  4S6ARW SV1PMR KM18 (x4)
001530  +1 2570  4S6ARW RV3H KO85 (x2)
20m
UTC    dB  Freq  Message
170145 -15 1239  4S6ARW S56UVB JN76 (x11)
172100  -8  565  4S6ARW RV3GZ KO92 (x4)
80m
UTC    dB  Freq  Message
212315  -1  609  4S6ARW EA1CQ IN83 (x12)
10m
UTC    dB  Freq  Message
124245 -20 2108  4S6ARW PU1JSV RR73
131115 -16 1579  4S6ARW YU7BW JN95 (x4)
132345 -18 1427  4S6ARW MD0CCE -23 (x3)
134615 -14 1668  4S6ARW F5JGL IN95 (x2)
062630 -20 2042  4S6ARW YD2ALF -14 (x2)
064100  -7 1003  4S6ARW YD2AQX OI52 (x3)

SNR History by Band