I've wanted to try one of these guys for quite some time. I have noticed the used market on MG SI15DT is very scarce. I don't know if ASL has stopped making them or what. You can sometimes find used ones on eBay for a good price. Older moldels don't have the biasing meter built in.

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"Nothin' up my sleeve. . ." --Bullwinkle J. Moose