[TowerTalk] RE RF Relays

[Wyllma Wall]

Hi again,
Go to  mgs4u.com for relays.

                                                            Bill Wall KC4UZ

K0FF wrote:

> Surplus Sales of Nebraska had a nice new relay that was made for Collins. It
> has two form C contacts, gold plated, and rated at 5KW ea.. The insulating
> material is glass filled, I think. They used to advertise them in QST, and a
> few years ago, they had hundreds of them in stock.
> I parallel the contacts and use them to switch different antennas, but also
> to  ground all the antennas when the big switch is pulled. Use the silver
> plated braid from Teflon coax for flex connections, and slip a piece of
> Teflon tubing over the top can also be scrounged from the Teflon rg-59) 12V
> DC coils. I use dozens of them here. OK for use through 6M, and I've
> recently built a remote switched preamp for 2M using one on the highpower
> side for one of the EME arrays. will report on it's effectiveness on that
> freq after testing. It is built into a special can I made to try to keep the
> bump down.
> They are not listed on their webpage as of today, but they might still be
> available. Can't remember the cost, but seems like it was $11 ea if you
> bought a dozen. Even a twice that price they are a good deal. Glad I bought
> spares, if they are indeed all gone.
>
> www.surplussales.com
>
> K0FF
>
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