[TowerTalk] Dbi vs DBd

[Andy]

> I am trying to find out which of the two measurement references were used on antennas originating in the late 50's. Say 1959. I know
> in the past one or the other was used, I just dont remember which one.

This is just my opinion, mind you ...

But I would guess that both may have been used back then.

Measurement accuracy was not so good in the 1950s that things were
that precise anyway.

Andy