Topband: Receive ant - binocular cores

[tony.kaz at verizon.net]

Hi Don,

The box was sealed and no sign of any moisture damage.

 

N2TK, Tony

 

From: Don Kirk <wd8dsb at gmail.com> 
Sent: Monday, October 5, 2020 8:37 AM
To: N2TK, Tony <tony.kaz at verizon.net>
Cc: topband <topband at contesting.com>
Subject: Re: Topband: Receive ant - binocular cores

 

Hi Tony,

 

Was the Binocular Core in an enclosure or out in the open?  I could see ice being the cause of a shattered Binocular Core (water filling the holes and then turning to ice).

 

Just a wild guess.

 

Don (wd8dsb)

 

On Mon, Oct 5, 2020 at 7:19 AM tony.kaz--- via Topband <topband at contesting.com <mailto:topband at contesting.com> > wrote:

I use BN-73-202 cores for my receive antennas - Pennants, BOGs.

Finally getting time to check out my receive antennas. One BOG was very low.
The BOG transformer was broken. I mean it was totally destroyed. The largest
piece was 1/8" long. The primary and secondary wires, #30 were intact and
neither open or shorted. The wire looked pristine. Any ideas what could do
that to a ferrite core? Any reason I should change anything other than just
wire another transformer?

N2TK, Tony 

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