GM4ZTO — FT8 station from Scotland

Scotland Grid: IO75

Amateur radio station GM4ZTO operating from Scotland (grid square IO75). 2,932 FT8 spots received at SO8OO WebSDR, 1,663 CQ calls, active on 40m, 20m, 10m, over 61 days, best SNR +26 dB. Heard between 2026-04-24 and 2026-07-23.

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

Overview

2,932
Total spots
1,663
CQ calls
61
Days active
-7 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-24
Last seen: 2026-07-23 17:39 UTC

Frequent QSO partners observed at SO8OO

Stations GM4ZTO worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandGM4ZTOPartnerPartner SNRMsgs
07-23 19:32 20m - / -14 SP5TWA -10 / - 2 Partial
07-23 19:28 20m - / -7 <...> -12 / - 3 Partial
07-19 08:48 20m -10 / - DF5VK - / - 3 Partial
07-19 08:39 20m -4 / - 9A5E - / -16 2 ✓ Confirmed
07-19 08:24 20m -16 / - DL6YJB - / - 4 Partial
07-19 07:23 20m - / +2 VP2MAA -19 / - 2 Partial
07-17 10:11 20m -16 / - DL1RAZ - / - 2 Partial
07-17 09:58 20m -8 / - DL3KZA - / - 4 Partial
07-17 08:11 20m - / - ON3MV -9 / - 5 Partial
07-17 07:38 20m -4 / - R4ML - / - 2 ✓ Confirmed
07-16 19:36 20m - / - RW3VX -9 / - 3 Partial
07-16 19:27 20m - / - RW3VX -14 / - 2 Partial
07-16 19:23 20m - / - RW3VX -6 / - 4 Partial
07-16 19:12 20m - / - RW3VX -12 / - 3 Partial
07-16 15:07 20m - / -21 RW3VX -12 / - 5 Partial
07-16 15:03 20m - / -12 R8CIS -15 / - 2 Partial
07-12 20:16 40m -6 / - DL6EL - / - 4 Partial
07-12 20:12 40m -13 / - F1IQH - / -7 2 ✓ Confirmed
07-12 19:32 20m -8 / -20 R7OV -18 / -23 7 Partial
07-12 19:30 20m - / -17 K0CJH -5 / - 2 Partial
07-12 19:06 20m - / -11 F4NKF -10 / - 2 ✓ Confirmed
07-12 19:05 20m -14 / - TA1BYS - / - 2 Partial
07-12 18:59 20m - / -12 YH2AZ -9 / - 4 Partial
07-12 12:39 20m -13 / - RY9W - / -15 3 ✓ Confirmed
07-11 10:48 20m -17 / - LB2YJ - / -18 2 ✓ Confirmed
07-11 07:56 20m +4 / - UR7HZ - / - 2 Partial
07-11 07:49 20m -11 / - PD3LKN - / -13 5 ✓ Confirmed
07-11 07:24 20m -24 / -25 EA5AI -12 / - 3 Partial
07-10 07:49 20m +2 / - F4BYA - / - 2 Partial
07-10 07:40 20m -10 / - DH5NC - / - 2 Partial
07-09 19:14 20m - / -13 WE8HAM -8 / - 2 ✓ Confirmed
07-09 19:11 20m - / -10 DU3JH -18 / - 2 Partial
07-09 12:03 20m +5 / - IK4LZH - / - 4 Partial
07-09 12:03 20m -11 / - PD3LKN -14 / -21 7 Partial
07-07 21:18 20m -17 / - ON4NYO -15 / -10 3 ✓ Verified
07-07 19:53 20m -6 / -16 IK4LZH -17 / - 3 Partial
07-07 19:53 20m - / -15 HB9SDO -8 / - 2 Partial
07-07 19:48 20m - / -10 YB2SLF -10 / - 2 ✓ Confirmed
07-03 20:41 20m - / -13 KK4RR -5 / - 5 Partial
07-03 20:39 20m - / -4 CT7ALI -8 / - 2 ✓ Confirmed
07-03 20:34 20m - / -6 K2M -7 / - 3 Partial
07-03 20:05 20m -8 / - IK4LZH - / +2 2 Partial
07-03 20:02 20m -8 / - IK4LZH - / - 2 Partial
07-03 19:54 20m -5 / - ON3FGC - / - 3 Partial
07-03 19:34 20m -3 / - IK4LZH - / - 3 Partial
07-03 10:43 20m - / -18 R8CIS -14 / - 2 Partial
07-03 08:57 20m -14 / -10 DL1UDO -13 / -16 6 ✓ Complete
07-02 22:10 20m - / -20 KD4BSS -15 / - 4 Partial
07-02 22:06 20m -10 / - BG0DLA -16 / -5 5 ✓ Verified
07-02 19:01 20m -12 / - G4RYE -10 / -1 3 ✓ Verified

Station Log

20m 
UTC    dB  Freq  Message
081945  -8  597  CQ GM4ZTO IO75
082045  -8  598  <...> GM4ZTO -05 (x4)
193045 -11  599  CQ GM4ZTO IO75 (x3)
193245  -8  600  SP5TWA GM4ZTO -14 (x2)
193645 -13  600  CQ GM4ZTO IO75                        a1 (x5)
40m 
UTC    dB  Freq  Message
205000  -9  547  G1SID GM4ZTO 73
070145  +2  550  GM4ZTO OE6GOG JN77
070615  +1  438  GM4ZTO IK4LZH JN54 (x4)
085330  -7 2486  GM4ZTO DM4IG JN49 (x2)
201230 -14  858  GM4ZTO F1IQH R-07 (x2)
201600  -7 1029  GM4ZTO DL6EL JN57 (x4)
204715 -22 1527  GM4ZTO DK4CH R-22
10m 
UTC    dB  Freq  Message
135300  +8 1657  GM4ZTO F5SG -11 (x10)
144230  -1  745  GM4ZTO DG3NCZ JO50
160100 -15  744  GM4ZTO RA4FEA LO33 (x4)

SNR History by Band