HB9TVS — FT8 station from Switzerland

Switzerland Grid: KO90

Amateur radio station HB9TVS operating from Switzerland (grid square KO90). 544 FT8 spots received at SO8OO WebSDR, 408 CQ calls, active on 20m, 10m, over 14 days, best SNR +23 dB. Heard between 2026-04-21 and 2026-07-12.

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

Overview

544
Total spots
408
CQ calls
14
Days active
-6 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-21
Last seen: 2026-07-12 02:38 UTC

Frequent QSO partners observed at SO8OO

Stations HB9TVS worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandHB9TVSPartnerPartner SNRMsgs
07-12 04:37 20m -19 / - RA3ZDU - / - 3 Partial
06-30 13:14 10m -12 / - DK8HC - / - 2 Partial
06-30 13:13 10m - / -10 EA4ZG -20 / - 2 ✓ Confirmed
06-13 21:31 10m -3 / - SV1AIN - / -10 3 ✓ Confirmed
06-13 20:46 10m +1 / -15 SV1AIN -20 / -15 13 Partial
06-13 20:41 10m - / +9 EA7LDB -20 / - 2 ✓ Confirmed
06-13 06:27 10m -12 / - DN9AD - / - 2 ✓ Confirmed
06-13 06:21 10m - / - OE5HHR -19 / - 2 ✓ Confirmed
06-13 06:12 10m -22 / - UA3SAO - / -16 2 Partial
06-13 06:08 10m - / - SP3IPA -14 / - 8 Partial
06-13 06:07 10m 0 / -24 F4ETS -10 / -11 5 ✓ Complete
06-13 06:05 10m - / +5 SP6QH -12 / - 2 ✓ Confirmed
06-13 06:03 10m +1 / -16 DJ3HW -10 / - 3 ✓ Verified
06-12 10:32 10m -16 / -24 LY1MG +2 / -11 3 ✓ Complete
06-12 10:26 10m - / +3 SP2LSG +6 / - 2 ✓ Confirmed
06-12 10:21 10m - / -5 YT1JN +4 / - 2 ✓ Confirmed
06-12 10:14 10m - / -21 SM7SKB 0 / - 2 ✓ Confirmed
06-12 10:10 10m - / -18 YL3FW +7 / - 2 ✓ Confirmed
06-12 10:04 10m - / -14 EA5IL +6 / - 2 ✓ Confirmed
06-12 10:02 10m - / - SP5LST +12 / - 2 ✓ Confirmed
06-12 10:01 10m +5 / - IU6KKW - / - 17 Partial
06-12 09:49 10m -16 / - UR4LG - / - 2 Partial
06-12 09:47 10m - / -15 E75W +2 / - 2 ✓ Confirmed
06-12 09:45 10m - / -2 UT8SQ +10 / - 2 ✓ Confirmed
06-12 09:42 10m - / - DN9JCB +4 / - 2 ✓ Confirmed
06-12 09:14 10m +1 / - UX7IW - / - 6 Partial
06-12 09:07 10m - / -9 SQ3KO +1 / - 2 ✓ Confirmed
06-12 09:05 10m - / -15 HA5TAM 0 / - 2 ✓ Confirmed
06-12 08:54 10m - / +2 SP4C +1 / - 2 ✓ Confirmed
06-12 08:52 10m - / +6 OK2XCG -2 / - 2 ✓ Confirmed
06-12 08:49 10m - / -11 YO8BJK +6 / - 2 ✓ Confirmed
06-12 08:44 10m - / -8 DN9MSG +2 / - 2 ✓ Confirmed
06-12 08:42 10m +9 / - R3DMS - / - 5 Partial
06-10 17:59 10m - / -23 W1TXT -6 / - 4 ✓ Confirmed
06-10 17:57 10m - / +9 G8HZQ -6 / - 2 ✓ Confirmed
06-10 16:59 10m - / -11 SQ8ACE -12 / - 2 Partial
06-10 14:29 10m - / -7 YO6QDY -20 / - 3 ✓ Confirmed
06-10 13:49 10m -10 / -24 F6FDY -10 / -6 8 Partial
06-10 13:46 10m +2 / - IU7SQV -6 / +8 4 ✓ Verified
06-10 13:38 10m - / -16 LA1HW -2 / - 2 Partial
06-10 13:25 10m - / -24 SP9SM -5 / - 6 ✓ Confirmed
06-10 13:22 10m - / -12 R2FBW -7 / - 3 ✓ Confirmed
06-10 13:19 10m - / +1 M0PBG -7 / - 2 ✓ Confirmed
06-10 13:16 10m -6 / - IZ0EAC - / -2 3 ✓ Confirmed
06-10 12:56 10m - / -24 TN8GD -2 / - 6 Partial
06-10 12:51 10m - / +3 9A3AUH +6 / - 2 ✓ Confirmed
06-10 12:49 10m - / -8 OK1DXR +4 / - 2 ✓ Confirmed
06-10 12:40 10m - / -24 EA1AGM 0 / - 12 ✓ Confirmed
06-10 12:36 10m - / -20 SP2EWQ +4 / - 2 ✓ Confirmed
06-10 12:31 10m - / -1 9A2TN -6 / - 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
043700 -17 1704  HB9TVS RA3ZDU KO90 (x3)
10m 
UTC    dB  Freq  Message
205045 -22 1963  SV1AIN HB9TVS -15 (x2)
205145 -19 1963  CQ HB9TVS JN36
205645 -22 1963  EA5UI HB9TVS RR73
210730  -2 2471  HB9TVS SV1AIN KM17 (x4)
131245 -22 1758  DL9DWR HB9TVS RR73
131315 -21 1758  CQ HB9TVS JN36
131345 -21 1758  EA4ZG HB9TVS -10
131400 -11  631  HB9TVS DK8HC JO42
131415 -19 1758  EA4ZG HB9TVS RR73
131430 -12  631  HB9TVS DK8HC JO42
131445 -23 1758  CQ HB9TVS JN36                        a1

SNR History by Band