Just a note about power handling ability: I don't know what the BN-86
was actually rated at but for 1kw input power on AM that equated to a
power output of around 3000 watts by today's standards. We can actually
run less power now than in the old days.
73
Gary K4FMX
ChetMoore wrote:
> Byron
>
> The BN-86 has been around for 35+ years and was designed when we could only
> run 1 KW. Force
> 12 makes a 3 (b-12) and a 5 KW balun. Radio works I think makes a 3 and a 5
> K Balun. If you are going
> to be running 1.5 kw, then you might want something beefier. With a trap
> antenna, you have the possibility
> of hi swr entering the mix if you get water and or insect nests built into
> the traps. The resulting hi swr
> frequently manifests itself by heating and destroying the balun
>
> W2GD once told me that a balun was just something else to GO WRONG and says
> to make a
> coax choke balun and never have to deal with "balun" problems ever.
>
> chet N6ZO
> ----- Original Message -----
> From: "Byron Tatum" <bjtatum@ev1.net>
> To: <TowerTalk@contesting.com>
> Sent: Wednesday, February 23, 2005 1:54 AM
> Subject: [TowerTalk] TH7-DX Balun
>
>
>
>>I have been away for a few days but noticed a few subject lines covering
>>the TH7-DX balun, the BN-86. I have a TH7-DX that will be going up in near
>>future, what is the best balun to use for it? I know that when I assemble
>>it I will use the updated assembly notes for better 10 meter performance,
>>but what about the BN-86 balun, is it the best one to use? Thanks, Byron.
>>_______________________________________________
>>
>>See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
>>Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
>>any questions and ask for Sherman, W2FLA.
>>
>>_______________________________________________
>>TowerTalk mailing list
>>TowerTalk@contesting.com
>>http://lists.contesting.com/mailman/listinfo/towertalk
>>
>
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
> questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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TowerTalk mailing list
TowerTalk@contesting.com
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