Radio tuning

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kd4efm

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Vague question. Tune what radios?

There are 5 commercial radio shops.
What are you looking to have done?
 

N4IFE

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Apr 12, 2021
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I remember that from the 50s and 60s there were many local radio and/or television repair shops. That was when electronics were all analog and based on discreet transistors and/or tubes. An alignment consisted of adjusting trimmer capacitors on the main variable capacitors and the trimmers/slugs in the IF transformers. Of course this did not apply to ultra complex non-consumer devices such as the R390A but it did for almost all consumer and much ham equipment. Any reasonably competent technician with minimal instrumentation could easily and effectively do it. Alignment of today's radios I perceive is much more complex and I do not know of anyone, other than the manufacturer (e.g. ICOM), that is available to do it. As soon as I can figure out how to erect a reasonably functional and effective HF antenna in my HOA controlled community, I am sending my 30 year old IC-765 back to ICOM for alignment and checkout.
 
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