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1. [Amps] KiloVac HC4 Relays (score: 1): Author: Roger Parsons <ve3zi@yahoo.com>; Date: Sat, 7 Mar 2009 11:45:42 -0800 (PST); Last month I posed a question about using these relays for RF switching even though they are not specifically rated for that purpose. The general consensus of the replies was that they would be OK al; /archives//html/Amps/2009-03/msg00234.html (7,759 bytes)
2. Re: [Amps] KiloVac HC4 Relays (score: 1): Author: Roger Parsons <ve3zi@yahoo.com>; Date: Sat, 7 Mar 2009 17:48:32 -0800 (PST); I have received a private email strongly disagreeing with my conclusions on these relays :-) I still believe I am correct about the use of tungsten contacts in rf vacuum relays and that, based on man; /archives//html/Amps/2009-03/msg00236.html (6,982 bytes)
3. Re: [Amps] KiloVac HC4 Relays (score: 1): Author: "Dan Hearn" <n5ar@air-pipe.com>; Date: Sat, 7 Mar 2009 18:46:59 -0800; I have owned an HC4 relay for a number of years. I just checked it on my 9kv hi pot tester and it shows only 2 microaamps leakage at 9kv. That is as low as the best of my other vac relays and better; /archives//html/Amps/2009-03/msg00237.html (8,734 bytes)
4. Re: [Amps] KiloVac HC4 Relays (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Sun, 8 Mar 2009 09:00:46 -0400; Id certainly suggest running an isolation test before possibly damaging a xcvr. The minimum acceptable for 1500W would be on the order of 55 dB at 30 mHz and it should increase as frequency goes down; /archives//html/Amps/2009-03/msg00241.html (10,727 bytes)

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