Topband: Beverage antenna terminations

[Michael Tope]

On 9/24/2013 6:05 PM, Tom W8JI wrote:
>> They were supposed to be non-inductive carbon, but need to find 
>> something better like carbon film.
>>
>
> Any resistor except a big wire wound is "non-inductive" on a low 
> frequency like 160.
>
> What you want is a composition type resistor, either metal or carbon, 
> to handle surges without changing value.
>
> The last thing you want is a film resistor, which is what you probably 
> have right now. Carbon films or metal films increase in value after 
> short duration high energy surges, because the surge blows part of the 
> film layer away. 

Bruce,

If you have any trouble finding the carbon composition resistors that 
Tom is recommending, Ohmite's OX/OY Series "Ceramic Composition" 
resistors are surge rated and readily available from various electronics 
distributors (i.e. Mouser, Digi-Key, etc):

www.ohmite.com/cat/res_ox_oy.pdf‎

73, Mike W4EF..........