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Call Sign : 26-CT-4515 Posts : 42 Times Thanked : 10 Join date : 2022-05-11 QTH or Location : Brighton Equipment Used : Baofeng UV5R - Midland 2001- President Mc Kinley & President Randy III, GT-3TP Age : 54
Subject: Re: President Mc Kinley Modulation Probs Sun Jan 22, 2023 10:24 am
Hi Miura I had my rig set up with a suitable thin screw driver ,as Nicky had told me the pots are very delicate so be careful . I had another radio set up near by so could listen as I turned the pot up. The Mckinley had a Kpo NM532 mic set between 1/4 and 1/2 way turned up. As I did a count down you turn the pot up until the modulation sounds good as Nicky said I went to far and the audio cut out so just turn it back until the audio came back then a little more so your not at the cut off point.
Hope this helps
Regards John
Miura likes this post
Miura Contributor
Call Sign : 26-CT-4388 Posts : 76 Times Thanked : 0 Join date : 2022-01-02 QTH or Location : Cirencester Equipment Used : Yaesu FTDX10 | Sirio 2008 Antenna | President Himalaya WB Age : 61
Subject: Re: President Mc Kinley Modulation Probs Sun Jan 22, 2023 10:38 am
Many thanks for your help John!!
John Patrick likes this post
skyrider Major contributor
Call Sign : 26-CT-4654 Posts : 364 Times Thanked : 2 Join date : 2022-09-25 QTH or Location : Preston, Lancs. Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod Age : 64
Subject: Re: President Mc Kinley Modulation Probs Sun Jan 22, 2023 12:25 pm
thanks for that John i will see how it goes
skyrider Major contributor
Call Sign : 26-CT-4654 Posts : 364 Times Thanked : 2 Join date : 2022-09-25 QTH or Location : Preston, Lancs. Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod Age : 64
Subject: Re: President Mc Kinley Modulation Probs Mon Jan 23, 2023 8:18 pm
which is a decent power mic for the mc kinley as im home based maybe i don't need a noise cancelling one, thanks
Sharpshooter Major contributor
Call Sign : 163-CT-329 Posts : 487 Times Thanked : 13 Join date : 2022-04-05 QTH or Location : Deeside, Flintshire Equipment Used : A growing list
Subject: Re: President Mc Kinley Modulation Probs Mon Jan 23, 2023 11:26 pm
skyrider wrote:
which is a decent power mic for the mc kinley as im home based maybe i don't need a noise cancelling one, thanks
I can't answer from experience but the K-PO mic seems a good replacement for many, especially the 6900.
skyrider likes this post
John Patrick New Member
Call Sign : 26-CT-4515 Posts : 42 Times Thanked : 10 Join date : 2022-05-11 QTH or Location : Brighton Equipment Used : Baofeng UV5R - Midland 2001- President Mc Kinley & President Randy III, GT-3TP Age : 54
Subject: Re: President Mc Kinley Modulation Probs Tue Jan 24, 2023 7:35 am
Hiya skyrider
Hi from all I have seen and read about it seems the NM-532 KPO power mic is a good around choice , have the mic set about 1/4 to 1/2 way when you do the modulation turn up and my choice was to set the mic gain on rig down a couple notches seems best for me. Hope this helps .
Regards John
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Miura Contributor
Call Sign : 26-CT-4388 Posts : 76 Times Thanked : 0 Join date : 2022-01-02 QTH or Location : Cirencester Equipment Used : Yaesu FTDX10 | Sirio 2008 Antenna | President Himalaya WB Age : 61
Subject: Re: President Mc Kinley Modulation Probs Tue Jan 24, 2023 9:08 am
Definitely K-PO 532. It gives the punch the standard mic lacks. Never try to fit an Astatic to a President McKinley as they can’t work together for some reason. On the other hand Rangers radios work best with the Astatic D104-M6B. Go figure!
glenn dog and skyrider like this post
skyrider Major contributor
Call Sign : 26-CT-4654 Posts : 364 Times Thanked : 2 Join date : 2022-09-25 QTH or Location : Preston, Lancs. Equipment Used : UNIDEN 100, midland alan 78 plus multi + mag mount , silver rod Age : 64
Subject: Re: President Mc Kinley Modulation Probs Tue Jan 24, 2023 7:36 pm
thanks for your info guys
Miura likes this post
omcintyre New Member
Call Sign : 29-CT-067 Posts : 3 Times Thanked : 0 Join date : 2021-11-20 QTH or Location : Bundoran, Donegal Equipment Used : President Lincoln 2 +
Subject: Re: President Mc Kinley Modulation Probs Thu Feb 09, 2023 7:26 am
Hi all, found an issue with a McKinley recently that caused much of the same modulation problem that you described. found R221 open circuit to Q203. this affected SSB modulation and RF power. I removed rR221 cleaned the contact pads and re-soldered, everything worked fine after. Hope this will help someone in the future. solder dry joints can be hard to find.
GaryWilson and glenn dog like this post
GaryWilson CT Directors
Call Sign : 26-CT-1836 Amateur Radio Call Sign 2E0GGQ Posts : 4466 Times Thanked : 385 Join date : 2019-06-27 QTH or Location : Redcar, North Yorkshire. Equipment Used : Radios & Wires & Stuff! Age : 59
Subject: Re: President Mc Kinley Modulation Probs Thu Feb 09, 2023 4:34 pm
Thanks for the heads up Ollie.
73's Gary.
C.T. Admin.
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John Patrick New Member
Call Sign : 26-CT-4515 Posts : 42 Times Thanked : 10 Join date : 2022-05-11 QTH or Location : Brighton Equipment Used : Baofeng UV5R - Midland 2001- President Mc Kinley & President Randy III, GT-3TP Age : 54
Subject: Re: President Mc Kinley Modulation Probs Thu Feb 09, 2023 6:44 pm
Hi Everyone
Sorry its been awhile but it has turned out perfect with modulation tune I have had very good reports from everyone. Happy days .
GaryWilson and omcintyre like this post
Bruce New Member
Call Sign : 26-CT-4756 Posts : 11 Times Thanked : 2 Join date : 2023-02-04 QTH or Location : St Albans Herts UK Equipment Used : President McKinley EU Long wire
Subject: Re: President Mc Kinley Modulation Probs Wed Feb 15, 2023 9:15 pm
Tonyvic wrote:
Tonyvic wrote:
BASS 666 wrote:
how do you know your modulation is bad ?
I can confirm John's Modulation is terrible on ssb but on fm it's fine (R5) but quiet. I think I have a recording of it, will post it tomorrow if I have.
I found the recording but I bet John doesn't know what he altered between the first and last part of the clip! (The last 15-20 seconds is about the best I have heard even on the many tests that we have done with just the two of us). Johns Audio
Just discovered the little bar on the right is reputation Seem to have voted down and can't undo ???? I Must try harder