I am trying to design something similar.
Have you measured loss? How do you think these would do at VHF/ low UHF
freqs? Has anyone tried these at higher freqs?
73 Skip (KG4QDZ)
----- Original Message ----- >
> I made my own switch box. I used 10 amp Radio Shack relays. I have had
> relay burn up on me when I was having trouble with one of my mono banders,
> and I burned the insulator on an SO-239 when the PL-259 barrell loosened.
> run 1500 watts cw & ssb, 160, 80, 40, 30, 20, 15 & 10, and the box has
> in service for 9 years. 1500 watts into 50 ohms will have about 5 1/2
> of current.
> And the relays are very similar to the ones in an Ameritron relay box that
> was given to me.
> As long as the spring contacts have sufficient power rating, a little
> (wiping action) when the contact makes or breaks, and mounted so the relay
> springs are vertical (so any dust will fall out), You should be able to
> just about anybodies box.
> de Paul, W8AEF