PY4STO — FT8 station from Brazil

Brazil Grid: ?

Amateur radio station PY4STO operating from Brazil. 456 FT8 spots received at SO8OO WebSDR, 286 CQ calls, active on 20m, 10m, over 21 days, best SNR +14 dB. Heard between 2026-04-21 and 2026-05-14.

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

Overview

456
Total spots
286
CQ calls
21
Days active
-13 dB
Avg SNR

Bands

20m 10m
First seen: 2026-04-21
Last seen: 2026-05-14 19:13 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
05-14 21:12 20m -6 / - LU5FF - / -12 2 ✓ Confirmed
05-10 20:23 20m -10 / - G3YJQ - / - 3 Partial
05-09 18:46 20m +1 / - M6TVD - / - 7 Partial
05-09 18:41 20m -12 / - YO7CFD - / -20 2 Partial
05-05 00:11 20m - / -12 KI7BKL -17 / - 2 Partial
05-03 19:43 20m +1 / - OH8KA - / - 2 Partial
05-03 19:27 20m +2 / - F5UOU - / -12 2 ✓ Confirmed
05-03 01:48 20m -22 / - UA0SDX - / - 2 Partial
05-03 00:53 20m - / -6 UA8Q -18 / - 2 ✓ Confirmed
05-02 21:06 20m +9 / - EA2EED - / - 5 Partial
05-02 01:39 20m - / - YO6OGW -18 / - 2 Partial
05-01 21:26 20m -11 / - DL1UDO - / - 3 Partial
05-01 21:17 20m - / - AO6RKB -22 / - 2 Partial
05-01 21:15 20m -7 / - CT1BFP - / - 8 Partial
05-01 21:03 20m -4 / - R7CA - / -12 2 Partial
05-01 20:46 20m -16 / - SJ9WL - / - 2 Partial
05-01 20:38 20m -17 / -12 SP2MWZ -8 / -13 4 ✓ Complete
05-01 20:31 20m -6 / -9 ON5UN -13 / -15 4 ✓ Complete
05-01 20:25 20m -3 / - IK4LZH - / - 3 Partial
05-01 20:22 20m -13 / - IK4LZH - / - 2 Partial
05-01 20:09 20m -19 / - IK4LZH - / - 3 Partial
05-01 20:07 20m - / -13 PD1HBL -17 / - 2 Partial
05-01 19:58 20m -20 / - IK4LZH - / - 2 Partial
05-01 19:52 20m - / - PY2ND -14 / - 2 ✓ Confirmed
05-01 00:03 20m - / -21 OK1AYM -14 / - 4 Partial
04-30 21:38 20m -2 / - IS0KNO - / - 4 Partial
04-30 21:15 20m -8 / - F6FHZ - / - 6 Partial
04-30 21:14 20m -2 / - IK4LZH - / - 3 Partial
04-30 21:09 20m -7 / - EA8CII - / - 7 Partial
04-29 01:48 20m -20 / - HA7JDU - / - 3 Partial
04-28 21:26 20m -19 / - JA4WLF - / - 2 Partial
04-27 23:41 20m -6 / - NU3F - / - 4 Partial
04-27 23:28 20m - / -18 W8HK -15 / - 2 Partial
04-26 20:00 20m -14 / - BI1AFK - / - 2 Partial
04-26 19:58 20m - / - <...> -12 / - 2 Partial
04-26 19:33 20m -5 / - G4EWK - / - 2 Partial
04-26 19:33 20m -18 / - SP7IIT - / - 2 Partial
04-26 19:30 20m -11 / - 5P6MJ - / - 2 Partial
04-26 19:27 20m -10 / - IK8PLJ - / -15 2 ✓ Confirmed
04-26 14:54 10m -9 / - RW6HP - / - 2 Partial
04-26 14:30 10m -9 / - RW6HP - / - 3 Partial
04-25 20:37 20m -4 / - EA3JCU - / - 2 Partial
04-25 20:33 20m -12 / - G3ROY - / - 3 Partial
04-25 19:59 20m +2 / -15 M0NCV -20 / - 2 ✓ Verified
04-25 19:47 20m -3 / - G4DXG - / - 2 Partial
04-24 21:27 20m 0 / - IK5ZPU - / - 2 Partial
04-23 21:27 20m -2 / -10 BH3FZG -14 / -14 3 ✓ Complete
04-23 21:18 20m - / -13 SM5XHS -14 / - 2 ✓ Confirmed
04-23 21:16 20m -3 / - BI1AFK - / - 2 Partial
04-23 21:12 20m - / -14 LU3OZ -13 / - 3 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
184900  -2 1080  PY4STO M6TVD IO90 (x2)
202330 -15 1176  PY4STO G3YJQ IO70 (x3)
202700  -2 2052  PY4STO 9H4JX -09
203900 -11 1061  PY4STO G5IAN -18
204130  -1 2606  PY4STO M7KYT -12
205545 -22 1476  CQ PY4STO GH80 (x3)
212930 -20 1962  PY4STO IZ8VYU JN71
213300 -24 1628  PY4STO G6NBF -19
211245  -8 2604  PY4STO LU5FF -12 (x2)
10m 
UTC    dB  Freq  Message
143045  -5 2105  PY4STO RW6HP LN14 (x5)
172400 -15 1007  W3RFK PY4STO GH80
152615 -24 1928  CQ PY4STO GH80                        a1 (x3)

SNR History by Band