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Stuck ferrite coils
Hi all, I know this is a generic question and there's many variables but I thought I'd try. What?are some of you guy's?tricks to free up stuck ferrite coils? I may have a stuck coil but I'm not sure. It's not in a Hallicrafters but I do know it's kinda a common thing. BTW, it's not from wax. Thanks, 73, and Happy New Year! Bob W4JFA |
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Re: removed
Walt, I don't know what happened but I do know sometimes GroupsIO will automatically remove someone if they report it as spam. How it knows I don't know but that's one possibility. The only time I had seen that it was done accidentally. Bob W4JFA On Fri, Dec 27, 2024 at 4:55?PM waltcates via <cateswa=[email protected]> wrote:
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Re: A good start
开云体育You didn't mention manufacturer or where you got it. On Amazon, the price
for the Tinysa ultra seems to vary from $159 to roughly $240 depending on
manufacturer and ad contents.
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Pete, wa2cwa
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On Fri, 27 Dec 2024 21:17:34 +0000 "waltcates via groups.io" <cateswa@...>
writes:
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Re: removed
开云体育You got here now Walt .. did you accidentally hit the wrong “button” ?like I almost have done many times? ? From: [email protected] [mailto:[email protected]] On Behalf Of waltcates via groups.io
Sent: Friday, December 27, 2024 4:55 PM To: HALLI IO GROUP Subject: [HallicraftersRadios] removed ? I was removed from the group for some odd?reason. But I think I am back. ? ? ? Walt Cates, WD0GOF ? A majority of acceptance is not proof of correctness.?
-- don??? va3drl |
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Re: A good start
开云体育Walt, for those of us ?that have a hard time seeing those little screens, is there an output for a signal display on a larger screen? ? From: [email protected] [mailto:[email protected]] On Behalf Of waltcates via groups.io
Sent: Friday, December 27, 2024 4:18 PM To: [email protected] Subject: Re: [HallicraftersRadios] A good start ? Bill, Yes, it can. It has eliminated several test instruments from my bench. It is a spectrum analyzer, RF signal generator (cw, am, fm), sweep generator and frequency generator. You can sweep filters and IF's. It has several other functions I have yet to explore. ? I got first tinysa a couple years ago. Now paired with the tinysa ultra, the only piece of test equipment on the bench I now use is the scope. ? ? ? Walt Cates, WD0GOF ? A majority of acceptance is not proof of correctness.
-- don??? va3drl |
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Re: A good start
开云体育
Bill,
Yes, it can. It has eliminated several test instruments from my bench. It is a spectrum analyzer, RF signal generator (cw, am, fm), sweep generator and frequency generator. You can sweep filters and IF's. It has several other functions I have yet to explore.
I got first tinysa a couple years ago. Now paired with the tinysa ultra, the only piece of test equipment on the bench I now use is the scope.
Walt Cates, WD0GOF
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From: [email protected] <[email protected]> on behalf of Bill (Group Owner) via groups.io <k2wh@...>
Sent: Friday, December 27, 2024 2:35 PM To: [email protected] <[email protected]> Subject: Re: [HallicraftersRadios] A good start ?
Walt, congrats on the calibration.
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Question since I'm new to these devices, can a TinySA, inject a signal into a tuned circuit on 2 meters to find out where its resonant ?
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IOW, I have built a 2 meter 1kw amplifier but can't get any drive into it because the SWR going into the grid is way off meaning its resonance is way off in the hinterlands and I need to find out where its set to.
K2WH
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Re: A good start
Walt, congrats on the calibration.
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Question since I'm new to these devices, can a TinySA, inject a signal into a tuned circuit on 2 meters to find out where its resonant ?
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IOW, I have built a 2 meter 1kw amplifier but can't get any drive into it because the SWR going into the grid is way off meaning its resonance is way off in the hinterlands and I need to find out where its set to.
K2WH |
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A good start
开云体育
Life is good.?
Have an SR-500 on the work bench. I turned it on and set the dial to 7.175. Set the AF and RF gain to max and let it warm up. In the meantime, I unboxed my new TinySA ultra. Ureka, it passed the self-test. Ureka, level cal, no problem. Selected low out,
set the frequency to 7.175, set the ultra output to -33db, set the external step attenuator for -40db. I then turned the low gen on and HU RAH the S-meter went to S9 and the audio output meter/load registered 2watts.?
It was right there I didn't even have to retune the 500.
Walt Cates, WD0GOF
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Re: Question for SX-122 Owners
开云体育Hello all,? not about this topic, but earlier today I could not find what I thought I had just seen from Bill [owner] ?and went on-line and found every recent post ?to be LOCKED.? Not so long after they were not locked. ?Maybe a traffic jam in the Christmas rush?? ,, or my computer? Or it’s operator? Or was GIO being funny maybe? ? From: [email protected] [mailto:[email protected]] On Behalf Of Dick Miller via groups.io
Sent: Monday, December 23, 2024 6:02 PM To: [email protected] Subject: Re: [HallicraftersRadios] Question for SX-122 Owners ? Fraser: SX-122 I attached the 2 pix, But I am not sure that they went out with the text. If you did not get the pix, contact me and I will send them a different way. Dick W7KDL ? -- don??? va3drl |
Bob
Peter A Markavage
don Root
waltcates
Bill (Group Owner)
Steve Marquie