Cty.dat Download [better] Jun 2026

A cty.dat file is only as good as its last update. Most logging programs bundle a version with their installer, but that version might be six months or six years old. A fresh cty.dat download ensures:

Invoke-WebRequest -Uri "https://www.ad1c.us/cty/cty.dat" -OutFile "$env:USERPROFILE\Downloads\cty_new.dat" Copy-Item "$env:USERPROFILE\Downloads\cty_new.dat" "C:\N1MM Logger+\cty.dat" -Force cty.dat download

Do not confuse these – they are not interchangeable. Stick to cty.dat for standard logger compatibility. cty.dat download

Now go make some QSOs – and log them accurately. cty.dat download

A cty.dat file is only as good as its last update. Most logging programs bundle a version with their installer, but that version might be six months or six years old. A fresh cty.dat download ensures:

Invoke-WebRequest -Uri "https://www.ad1c.us/cty/cty.dat" -OutFile "$env:USERPROFILE\Downloads\cty_new.dat" Copy-Item "$env:USERPROFILE\Downloads\cty_new.dat" "C:\N1MM Logger+\cty.dat" -Force

Do not confuse these – they are not interchangeable. Stick to cty.dat for standard logger compatibility.

Now go make some QSOs – and log them accurately.