On 4/26/2011 5:27 PM, Carl wrote:
>
> ----- Original Message ----- From: "Roger (sub1)"
> <sub1@rogerhalstead.com>
> To: <amps@contesting.com>
> Sent: Tuesday, April 26, 2011 4:28 PM
> Subject: Re: [Amps] DIN vs N
>
>
>> On 4/26/2011 9:50 AM, Carl wrote:
>>> Those started over 25 years ago with Taiwan imports. All my PL-259, N,
>>> adaptors, etc, are USA, mostly mil-spec from decades of hamfests,
>>> etc; there
>>> are several other great brands besides Amphenol altho most may be
>>> gone now
>>> or made in China.
>>
>> I'm much more concerned as to how they are constructed and of what
>> materials rather than where. That said, If I can get US made of
>> comparable quality (IE good Silver plated Brass) then I go for the US
>> made. Sometimes I have to settle for imports as they seem to be the
>> only source for reasonably priced versus outrageous priced UHF
>> connectors that fit LMR-600 and larger cables. We're talking $12 - $20
>> Vs $80 to $125.
>>
>> AT HF (160-10) the impedance of the UHF connector is of relatively
>> little importance. They are difficult to spot with a TDR and you can
>> stack a bunch of them of good quality with almost no noticeable loss.
>> The exception is on 160 where it's more a resistance problem, not one of
>> impedance. Even then I doubt it's of much concern unless running QRO
>> which most of us on here do.
>>
>> I had to use some imported UHF connectors on the LMR-600 run to the 160
>> half sloper. I ended up modifying them by opening up the inside with an
>> end mill for more clearance and higher voltage breakdown. They looked
>> the same after the mod as they did before.
>>
>> I still check out the connectors at the swaps, but it's rare now days to
>> find any good ones. If some one is selling quality connectors I'd
>> probably clean them out as I typically stock several hundred of various
>> types. I may have mentioned it before, but my work bench sets on three
>> pedestals. The top drawer on one is for coax connectors. One day I
>> closed the drawer and it dropped right through the track and took the
>> two drawers under it out as well.
>>
>> I think I'm going to replace those pedestals with the large tool box
>> bases on rollers. Even considering the price, if they hold up they'll be
>> worth it.
>>
>> 73
>>
>> Roger (K8RI)
>
> With all the money you have tied up in equipment why grouse (gee, I
> got a chance to use it right back, havent heard it in ages) about a
> couple of connectors?
Who's grousing? <:-)) Only if there's so much slope in my shop floor I
have to chase the work bench across the floor. Actually the slope "which
was supposed to be out the front door" actually end up with the low spot
under my work bench. Not exactly where I wanted the snow melting off
the 4-runner to end up.
I should have said that drawer was a *bit* overloaded .
73
Roger (K8RI)
>
> Carl
> KM1H
>
>
>
>
>
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