I gave up on full QSK several years ago when I started using an active
receive antenna and a DXE phase controller. Could not put all that
stuff inside the keying loop of my Ten Tec Centurion. After the second
failure of the Centurion QSK board and associated parts, I switched to a
simple and reliable ACOM 1010 amplifier.
73, Chuck NI0C
On Sun,2/26/2017 3:04 PM, Guy Olinger K2AV wrote:
/But even though the K3 is cycling TX/RX very fast the 8410 is not banging />/the vacuum relay to death trying to follow 30 wpm dits. 30 wpm QSK*does* />/significantly shorten relay time to failure. Contesting, I've worn some
out />/in less than a year. /
I own three very nice vintage Ten Tec amps that use vacuum relays. All
of them came to me used, and I've replaced those relays in each amp at
least once. After a few rounds of that, I stopped running QSK with those
amps. :) I'd like to hear from others having experience with vacuum
relays and QSK at contesting speeds. I mostly work between 28 and 32
WPM. The original equipment relays were Jennings, and I've mostly used
Gigavac as replacements. I haven't had to replace one since giving up on
QSK about 8 years ago, but I really would like to run QSK. Have I made
the right decision to avoid it when running with a vacuum relay?
73, Jim K9YC
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