Turkey choke 12 gauge
by George Fare, G3OGQ General. This project is a top band (160m) superhet receiver with an IF of 455kHz. Construction is made easy by the use of a chip which includes an AGC controlled RF amplifier followed by a balanced mixer fed by an on-chip oscillator.
Hi all. I just released my WSPR Receiver for sale on my Webshop. It is a complete one-band receiver built in box trimmed and ready to use. Use this instead of tying up your regular Ham tranceiver for...
Qstoves pizza oven
I build the Multi-band DDS WSPR Signal Source transmitter and added a DCF77 receiver to it to determine the exact 2-minute starting moment. This unit transmits in steps from 160 until 6 meters. This unit transmits in steps from 160 until 6 meters.
APRS HF WSPR Return Channel: This new initiative takes advantage of the tremendous processing gain of the WSPR protocol to provide another return path from remote users. Please see the APRS-WSPR web page dedicated to this exciting concept. As shown here, a simple 1W transmiiter can provide a pretty reliable link for very low data rate back to ...
Charter arms pitbull 9mm problems
What Is WSPR? Pronounced "whisper," WSPR was designed to map out radio-frequency "The mode that WSPR uses is called MEPT-JT. MEPT means Manned Experimental Propagation Transmitter.
I devised and programmed my own wspr transmitter with esp8266 and wrote an article on it here. I started with building a digital modes simple HF receiver and it worked pretty good.