Glenn Little WB4UIV wrote:
> What shape is the melted dielectric in after you get finished with the heat
> to solder the copper jacket of the hardline to the adapter?
>
> When the center conductor moved when the dielectric melted, the cable
> impedance also changed. When you melted the foam dielectric, you also
> changed the velocity factor of the cable.
>
> If the adapter bottoms out against the connector, you can pass the hardline
> through the adapter and flare the corrugated shield so that it is
> compressed by screwing the adapter in. This would preserve the impedance
> and velocity factor of the cable.
>
> 73
> Glenn
>
FWIW-the Andrew-supplied connector for FSJ-1 (1/4" superflex) has two
holes on the reducer, otherwise it is virtually identical to what Joe is
using. And you do solder it on.
Yes, you do have to be careful the center doesn't migrate.
--
Jim Barbour
WD8CHL
> At 07:10 PM 04/05/05, you wrote:
>
>
>>Well, I've had fewer problems with my cheap, adapted connector than
>>other types specifically MADE FOR hardline! You go with what works,
>>right? Using the UG-176 allows me to solder completely around the shield
>>- making one heck of a good connection. Actually, it's nothing adapted
>>to the hardline - the PL259 with UG-176 is a standard connector - it
>>just happens to fit 1/4" Hardline perfectly.
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