[TowerTalk] checking balun polarity

[jimlux]

On 3/17/17 4:04 PM, john at kk9a.com wrote:
> You should use identical baluns with phased beams. I am having trouble
> understanding the issue since all of the baluns that I have used over the
> last decades were clearly marked with either a red dot near one terminal or
> they had different colored wires.
>

Sure, should use, but people do all kinds of things using what they have 
to hand..

The dot might have faded, or the wires got painted, or whatever.