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FWIW, I usually slide the cabinet back and adjust the coil under load. I test to see if lowest swr and maximum output coincide. ?If not I’ll opt for maximum power. Sent from the all new AOL app for

I would like to tweak the input tuning on my AL-1200 to see if I can reduce the VSWR presented to my FTDX101MP. The AL-1200 manual doesn't say anything about this, and doesn't even tell which coil is

No pix. BTW, on those Eimac SK-500 aluminum sockets, on the 1st posting, we would slice the bottom off in the bandsaw. The aluminum sockets have a big restriction vs the Eimac SK-510 black plastic

Amazing the 7300 has this rail end RF issue. ?Seems like Icom has be plagued with with these RF issues either on make or break. ?I recall a friend had an Icom 781 and. alpha 86a or 9500 and he was a

##? Lou, even if u tweaked the output contacts of the old style clunker 3PDT mech relays such that the output closed before the input+ bias,? it will still hotswitch !? The xcvr puts out RF?

"This article is concerned with the RF output continuing beyond the time the transmitter is keyed off, termed an RF-tail, causing hot-switching of external linear amplifier.) Unfortunately, there is

Nice drawing, thank you. Bob W4JFA [email protected]> wrote:

You could try something like W1AEX to accomplish some sequencing pattern.

Oops, I stay logged into groups.io and didn’t realize you have to be already logged in for that link to work. I stay logged in in order to be able to quickly start a new thread on groups.io. If you

Hi Alan, Here is a link to the ARRL IC7300 review article that I found on the internet.? It was in the August 2016 issue on Page 41.

Thank you Alan. [email protected]> wrote:

Hey Bob, I downloaded and attached the 7300 "RF Tail" document... (See attached PDF). -- 73, ~Alan

Dave, That link takes me to the 7300 group IO home page but cannot find the RF tail fix. I do not own a 7300 but have a few friends that do which each of them seem to get things confused so I end up

On Thu, Aug 1, 2024 at 07:25 PM, Alan - W5ARM wrote: > > Howdy Bob, > > Your second picture provided a better view... I think I figured it out. > > The "big" 2-pole relay appears to have a

Hi. [email protected]> wrote:

Test Reply with pic pasted in... -- 73, ~Alan

Test Dino - KX6D ________________________________ Sent: Friday, August 2, 2024 2:11:50 PM To: [email protected] <[email protected]> Subject: [ham-amplifiers] Test Message... Please reply

Please reply to this message and include an attachment. I don't want to have a discussion here or for this thread to get out of control so please just say hi, attach a picture, and that's it.

Icom IC-7300 Hot- switch Mitigation The Issue The Icom IC-7300 was released with a flaw in its external amplifier keying circuit apparently caused by an incorrect timing parameter programmed into the

It is... In : MENU --> SET --> FUNCTION --> TX DELAY HF -- 73, ~Alan