Search found 2 matches

by WA2AKV
Mon Sep 25, 2017 5:01 pm
Forum: New Users' experiences
Topic: Use with Ham Transceiver?
Replies: 3
Views: 14604

Re: Use with Ham Transceiver?

VK3ALB, I would also like to thank you for the information on the isolation switch here. I just received my first SDR from RTL-SDR.com today in the mail. Isolation was foremost on my mind after reading an article in QST this weekend.
by WA2AKV
Mon Sep 25, 2017 4:49 pm
Forum: SDRplay related
Topic: RSP-1 as a bat receiver?
Replies: 5
Views: 18522

Re: RSP-1 as a bat receiver?

Excellent idea old man. When I was 12 years old in 1962 I built an "ultrasonic sniffer" from a circuit in Popular Electronics. The input to this device were audio frequencies in the range of 20-60Khz, the output was in the human audio range. Today there are various "transducers" that can be used for...