Technology advances

[bottlecap]

Just curious when the metal detectors made the biggest technology jump? I realize they are constantly improving but was there a couple years when all of the sudden you could detect 8 inches instead of four? Like I said just curious.

 

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[cudamark]

For me it was when I went from a BFO machine to a VLF. Made detecting lots more fun to me. That and getting my first REAL water machine that had discrimination. You wonder how you managed before!

 

[Tom_in_CA]

The years 1975 to 1985 were lightening fast evolution. Yes, you went from almost no discrimination (guys were still using BFOs and all-metal TRs in 1975). By a mere 10 yrs later in the mid 1980s, there was motion discrimination that had also been slowed down, and TID added. A crazy 10 yrs, that's for sure ! During that time, I recall that if your machine was a mere 2 yrs. old, you had a dinasour! haha