Topband: 2 wire reversible Beverage- KF4ITA Mikek

[Jim Brown]

On 5/9/2020 6:46 PM, MU 4CX250B wrote:
> I've also heard that the native impedance  a twisted pair of WD1A/TT
> is about 150ohms.

I think you mean Zo, characteristic impedance. I haven't had any to 
measure, but that sounds high for any form of twisted pair. Twisted 
shielded pair audio cable is in the range of 70 ohms, a digital version 
is around 110 ohms, CAT5/6/7 are all 100 ohms.

73, Jim K9YC