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#1
08-28-2017, 01:45 PM
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Quote:
According to the 'frequency ranges' section of this page: http://www.radioblvd.com/National%20HRO.htm 'AC' (15M ham band) falls within the range of 'A'. I've not finished my HRO yet (was recapped but needs some troubleshooting and odds and ends dealt with), but I'm curious: Is there a meaningful advantage in having an AC coil if you already have an A? I'd imagine having the 15M band spaced out over the whole dial with AC has advantages in tuning convenience, but is it really that much trickier to tune 15M on A to make AC worthwhile?
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 
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#2
08-28-2017, 02:18 PM
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Those E and F coils get pretty pricey.....
The only advantage to the narrow bandspread coils is if you're using your HRO as a receiver coupled with a transmitter. If you've only got an inch or at most two to tune a whole ham band when you're trying to receive a station, it gets harder to dial in because a millimeter off and you've lost your station. As far as what's even going on, on 15m....I have no idea. I haven't been able to talk there till yesterday 
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"Restoring a tube TV is like going to war. A color one is like a land war in Asia."
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