PY4STO — FT8 station from Brazil

Brazil Grid: JN25

Amateur radio station PY4STO operating from Brazil (grid square JN25). 1,100 FT8 spots received at SO8OO WebSDR, 436 CQ calls, active on 80m, 20m, 10m, over 61 days, best SNR +25 dB. Heard between 2026-04-21 and 2026-06-28.

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

Overview

1,100
Total spots
436
CQ calls
61
Days active
-10 dB
Avg SNR

Bands

80m 20m 10m
First seen: 2026-04-21
Last seen: 2026-06-28 18:26 UTC

Frequent QSO partners observed at SO8OO

Stations PY4STO worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandPY4STOPartnerPartner SNRMsgs
06-28 20:21 20m -20 / - F1PPH - / - 2 Partial
06-28 19:44 10m -14 / - OK1AR - / - 2 Partial
06-28 19:40 10m -12 / - UA3DIB - / - 3 Partial
06-28 19:34 10m -9 / - HB9TMW - / -11 2 ✓ Confirmed
06-28 19:28 10m -8 / - OK1AR - / - 2 Partial
06-28 19:21 10m -9 / - CE4WJK - / -3 2 ✓ Confirmed
06-28 18:32 10m -16 / - F4GTB - / -7 3 ✓ Confirmed
06-28 17:21 10m -2 / - RX3ASQ - / - 2 Partial
06-28 17:13 10m +6 / - LA6YEA - / -9 3 ✓ Confirmed
06-27 21:15 20m -3 / - BI4XDT - / -12 2 Partial
06-27 21:06 20m -2 / - G3ZQQ - / - 4 Partial
06-27 19:11 20m -5 / - IK4LZH - / - 2 Partial
06-27 19:07 20m -10 / - IK4LZH - / - 3 Partial
06-26 21:33 20m -13 / - F4MBU - / - 4 Partial
06-26 21:32 20m -18 / - G4XWR - / - 3 Partial
06-26 21:26 20m -22 / - N1WRN - / - 3 Partial
06-26 21:14 20m -10 / - F4MBU - / - 2 Partial
06-26 21:10 20m -10 / - MW7RHR - / -6 2 Partial
06-25 21:40 20m -8 / - RX3ASQ - / - 2 Partial
06-24 22:04 20m -17 / - HB9TIH - / - 4 Partial
06-24 21:51 20m -11 / - GM4LOL - / - 3 Partial
06-24 21:40 20m -14 / - G8XYJ - / -18 3 ✓ Confirmed
06-24 21:37 20m -10 / - M0CKX - / - 5 Partial
06-21 20:22 20m -1 / - UA3SNB - / -15 3 Partial
06-21 16:00 10m -6 / - RA3AHN - / -17 6 Partial
06-18 21:22 20m -18 / - BI4KVT - / - 2 Partial
06-18 21:12 20m -4 / - BG4UCZ - / -20 2 ✓ Confirmed
06-17 21:34 20m -6 / - OZ5RF - / - 2 Partial
06-15 14:51 10m +10 / - RZ3Z - / -9 3 ✓ Confirmed
06-15 14:51 10m -4 / - UX3HX - / - 8 Partial
06-15 14:48 10m +4 / - RV6BEP - / - 2 Partial
06-14 21:43 20m -9 / - GM4LOL - / - 2 Partial
06-14 21:42 20m -6 / - I4VJC - / - 2 Partial
06-14 21:28 20m +6 / - RZ4M - / - 2 Partial
06-14 17:06 10m -4 / - F1PBZ - / -18 2 Partial
06-14 16:57 10m -5 / - IU0TPA - / - 3 Partial
06-13 19:40 10m -14 / - UI4I - / - 2 Partial
06-12 22:46 20m -4 / - EA5HM - / - 2 Partial
06-09 21:16 20m -7 / - SV1MOZ - / - 5 Partial
06-08 23:24 20m -2 / - RU3KA - / -17 2 ✓ Confirmed
06-08 23:16 20m -10 / - HB9TIH - / - 6 Partial
06-08 23:13 20m -7 / - ON6WDL - / -16 2 ✓ Confirmed
06-08 23:13 20m +3 / - RI0SP - / -10 2 Partial
06-08 21:29 20m -7 / - DM4GG - / - 3 Partial
06-08 21:20 20m -19 / - SV4RRK - / - 3 Partial
06-08 21:16 20m -8 / - IK4LZH - / - 2 Partial
06-08 21:13 20m +4 / - DJ6MK - / -21 4 ✓ Confirmed
06-08 21:07 20m +10 / - DL6ZBD - / - 2 Partial
06-08 21:07 20m -16 / - SV4RRK - / - 13 Partial
06-08 21:05 20m +8 / - F5IXN - / - 4 Partial

Station Log

20m 
UTC    dB  Freq  Message
190745 -10  409  PY4STO IK4LZH JN54 (x4)
210400 -17 1358  PY4STO DK1LZ JN57
210630  -1  623  PY4STO G3ZQQ IO82 (x4)
211515  -3 2738  PY4STO BI4XDT PM01 (x2)
202015 -15 1941  PY4STO YO4DWD -17
202145 -21 1773  PY4STO F1PPH JN25 (x3)
10m 
UTC    dB  Freq  Message
172200  -3 1474  PY4STO RX3ASQ KO95
183230 -11 2142  PY4STO F4GTB JN18 (x3)
192145  -9  685  PY4STO CE4WJK -03 (x2)
192815  -9 1580  PY4STO OK1AR JO60 (x2)
193400 -11 1729  PY4STO HB9TMW -11 (x2)
194030 -12 2223  PY4STO UA3DIB KO85 (x3)
194400 -16 2219  PY4STO OK1AR JO60 (x2)
80m 
UTC    dB  Freq  Message
233600  -7 1851  PY4STO IU1LEB JN45 (x4)
193900  -6 1499  PY4STO DK3ME JO50

SNR History by Band