[TowerTalk] TH7-DX Balun

[Gary Schafer]

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 at ev1.net>
> To: <TowerTalk at 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.
>>
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> 
> 
> 
> _______________________________________________
> 
> 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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