[TowerTalk] How lossy are PL-259s at HF?

Charles Gallo charlie at thegallos.com
Tue Jun 18 14:26:49 EDT 2024


I don’t mind spending, so long as I know which one to start with.  I spent 42 Swiss Francs (ISO standard was priced in CHF). Just one of those things
--  
73 de KG2V
Charlie

> On Jun 18, 2024, at 2:19 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
> On 6/18/2024 8:05 AM, Joe Subich, W4TV wrote:
>> Unfortunately, I do not see dimension specifications for the
>> contacts ... only the body, threads and *internal* dimension
>> of the pin.
>> Wikipedia <https://en.wikipedia.org/wiki/UHF_connector>
>> gives the center pin of the PL-259 as "approximately 0.156
>> inch (4mm) diameter".
> 
> The definitions for many (most?) connectors are part of IEC Standards. That usually means that they are quite well defined by competent engineers. Unfortunately, IEC Standards also cross-reference each other, and are so expensive that only mfrs can afford to buy them, and you can't read them if you haven't paid up.
> 
> Anyone can buy an AES Standard from the AES website, last I looked, for $10, free for AES Members.
> 
> 73, Jim K9YC
> 
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