Once again, experiment trumps theory!
There is a lot of room in the ham world for polite skeptics who take the
time to run experiments, make measurements and then share the results.
On 4/19/12 11:53 AM, "Jim Thomson" <firstname.lastname@example.org> wrote:
>Date: Wed, 18 Apr 2012 21:47:02 -0700
>From: Jim Brown <email@example.com>
>Subject: Re: [TowerTalk] Balun Recommendation
>On 4/18/2012 12:16 PM, Steve Hunt wrote:
>> Sorry to disagree again, but the CM choke dissipation DOES also depend
>> on the SWR!
>I don't buy your analysis, but I don't have time to pick it apart. :)
>73, Jim K9YC
>## I figured that one out years ago.... and Steve is correct. Wait, it
>If the choke is mainly resistive, and it's only 1-2k, then toss in high
>swr.... and then
>toss in high power and high duty cycle modes = probable overheating.
>want to re-write the tutorial. You can easily verify the increased diss
>swr¹s by using a Fluke point + shoot IR gun...and just measure the temp
>That¹s what I tried..and it works.
>Remember what the sign at nasa sez...... one test is worth a 1000
>later... Jim VE7RF
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