[Elecraft] AT1 Attenuator

[John Oppenheimer]

2-Port VNWA measurements at 7MHz

Switch, VSWR, dB
0 1.01 0.07
1 1.03 1.06
1 1.03 1.06
3 1.02 3.08
6 1.03 6.31
10 1.02 9.78
20 1.05 19.97

VSWR approaches 1.1 at 30MHz with some switch settings.

John KN5L