Topband: Beverage antenna terminations
Grant Saviers
grants2 at pacbell.net
Wed Sep 25 18:08:16 EDT 2013
There are plenty of Allen Bradley 1w real carbon composition resistors
on ebay at prices ranging from $0.25 ea to absurdium. Buy some that you
can series/parellel to get the value you want. If it doesn't say A-B on
the packaging, squash one in your vice. I've found wire-wounds inside
some (likely Chinese) look-a-like claimed carbon comps, after tests made
no sense. These are tough non-inductive resistors, but values may have
drifted a bit with age.
Grant KZ1W
On 9/24/2013 7:46 PM, Bruce wrote:
> They were supposed to be non-inductive carbon, but need to find
> something better like carbon film.
>
>
> ----- Original Message ----- From: "Tom W8JI" <w8ji at w8ji.com>
> To: "Bruce" <k1fz at myfairpoint.net>; <topband at contesting.com>
> Sent: Tuesday, September 24, 2013 2:55 PM
> Subject: Re: Topband: Beverage antenna terminations
>
>
>> What kind of resistors are you using?
>>
>> They shouldn't do that if you use the right type.
>>
>> ----- Original Message ----- From: "Bruce" <k1fz at myfairpoint.net>
>> To: <topband at contesting.com>
>> Sent: Tuesday, September 24, 2013 8:50 PM
>> Subject: Topband: Beverage antenna terminations
>>
>>
>>> After recent night time thunder storm activity, two Beverage
>>> antennas lost some directivity. Termination resistors looked normal,
>>> but an ohmmeter checked reviled they had each gone
>>> hundreds of ohms higher. Replaced resistors and back to normal.
>>>
>>> 73
>>> Bruce-K1FZ
>>> www.qsl.net/k1fz/bogantennanotes/index.html
>>>
>>>
>>>
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>>
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