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I sent out five of those new display driver boards about a week ago and only saw posted that Terrance got his working as was able to use a 3-foot long display cable without display-T41 errors/lockups.

I have for my AT kot but nothing else. Didn't make sense for the cost of the relays. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch –

Has anyone know of further experiments done along the lines of this, but with smaller relays suitable for portable/QRP applications? https://www.w6pql.com/using_inexpensive_relays.htm I see the IM43

I have no knowledge of caps across C2 and what that may do…. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois

Thanks Doug. I always try to be responsive bit sometimes i get helped by the comm software… and not in a good way. Yeah please contact me on the 4th and ill get whatever you need togethet and

-------------------------------------------------------------------- I was wondering if something like that happened? I emailed you last week wanting to order a new RF board.? I forwarded a groups

Ok. I am currently at my contest station in the Caribbean (J62K) getting ready for WPX with some youngsters early in their contesting careers. Ill ne back home on April 4th and ill get your order out

Sorry to show my ignorance, I am not too sure what you mean by combiner, is it to feed different antennas in an array or some kind of diplexer to use one coax for several antennas on several bands ?

Attached is my spreadsheet for building combiners in your garage. You input the frequency, and that fixes the length of the wave guide. Then select the diameter of the inner conductor and that fixes

*** For me the worst part is the gallon of crap they make you drink. - Jerry, KF6VB

Ok sorry… I apologize for the email shouting. Just got back from my colonoscopy and still feeling crappy from the anesthesia and lack of sleep (up at 5:30 AM to start the colon-blow process). Dr.

See my comment on another thread for something to try: /g/SoftwareControlledHamRadio/message/33155

I meant this only as a test to show where the feedback entry point is dave

DON’T DO THAT! It REMOVES THE BPF FROM THE RX CHANNEL!!! Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton,

C18 needs to be there or the BPF is NOT in the RX path… Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton,

First, R8-R11 should NOT BE POPULATED under I2C control. U15 pins GPA0 and GPA1 should ALTERNATE STATE. NOTHING should be plugged into J1 unless it LISTENS ONLY. U3 and U7 appear to be working

*** Hi Bill, I upgrade constantly. Have to, because I'm working on the software. I have lots of versions on my server. I'll downgrade and see if that fixes it. - Jerry

Jerry, Try removing C18 on the LPF-Control or grounding the receive pins on the TR switch. I think the feedback is getting in through U1 & U8. Maybe the control logic is not correct. dave

I think this is a software issue. I need to consult with Oliver. Several people magically started having oscillation problems at the same time where this was never an issue. Almost like something is

No this is a software problem because others are having it too. Did you recently upgrade? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch