Block 21's Up For Grabs?

Good Ol' Block 21...

I follow the used equipment market pretty closely. I've noticed the past 3 months or so a glut of block 21 wireless being put up for sale. It could be that folks are just upgrading to newer gear. But I wonder if the motivation could be based on more RF spray issues on the lower blocks. And, the crowding of dual receivers into bags with digital recorders, high output IFB and hop transmitters, wifi devices, smartphones and ipads.

I know there's more intelligent (& cheaper/lighter) ways of dealing with stray RF than throwing more splitters, combiners, sharkfins and preamplifiers into your rig. In doing so, you are essentially re-designing the front-ends of receivers that have already been very carefully designed. But this seems to be the popular trend, based on general lack of understanding, and I'm sure the equipment vendors don't mind at all. Of course, I'm often wrong, but certainly never in doubt.


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