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I was digging through a box of salvage parts today and found this at the bottom of a box:
I bought a brand-new WHAMO-10 at Zackit Electronics (long-gone) in Sacramento around 1976 or so. Don't remember the actual cost but it was steep! You removed teeth from the 'comb' to program the frequency. Must have used it for 10-15 years until it finally quit and disappeared during a move. Plenty of volume and great 30-50 mHz sensitivity. Wish I still had it, the sequential red LEDs were cool....
I bought a brand-new WHAMO-10 at Zackit Electronics (long-gone) in Sacramento around 1976 or so. Don't remember the actual cost but it was steep! You removed teeth from the 'comb' to program the frequency. Must have used it for 10-15 years until it finally quit and disappeared during a move. Plenty of volume and great 30-50 mHz sensitivity. Wish I still had it, the sequential red LEDs were cool....