A description about satellite detection circuit (satellite finder): You can use Buzzer oscillator instead expensive micro-ampere(Mprmtr), it's very cheaper . also Buzzer oscillator has whistle and do not need that constant "eyes to be ampere meter. but the diode shutkey-s are rare and almost expensive. Disappointing is not it? But if you have a way to delete them or if you find low price of them, tell us . attention, fiber Fiberglass is your circuit board to prevent disorder frequency. Thanks.
Circuit Map of sat Finder
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