For a young person, Day Wireless or any other MSS is as good a place to start your craft in two-way radio, as any other. As
dickie757 suggests, starting at the bottom is best. In 1962, I started in a CB shop that did some commercial radio work. However, back then it was tubes, vibrators, dynamotors and other relics, but the principals were the same. Today, it is heavily digital signal processing in an analog world.
The point being, in land mobile, most difficult problems are analog in nature, like intermod and the near-far problem. Analog interference issues are best learned in the field using an analog radio. Digital radios mask these problems as the signal is not decoded, if the check-sum is wrong. With analog radio, you actually hear the garbage and your brain helps you figure it out. A talented technician can earn as much or more than an engineer. Most cellular engineers today are helpless in troubleshooting interference issues. Sure, they specify all the right parts and know how to use a spectrum analyzer, but do they know how to correct the problem, when they think they found it?
In my case, I became self-employed in 1965 in the land-mobile service field, when I turned 21. Today, I am 81 and comfortably retired after more than 60 years in the business. I encourage people to start a career in this field, but advise them to seek knowledge beyond what it takes, just to get by. Keep the job interesting by always challenging yourself. By the way, I was a ham when I was 12 and still am today, enjoying building systems & making things work.
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