Grabbing Weather and Traffic Overlays from iHeartRadio

When the older of us think of radio, we think of dialing in an FM or AM station.  Giant broadcast towers strewn throughout the countryside radiated electromagnetic waves modulated with music, talk and sports across our great land. Youngsters out there might be surprised that such primitive technology still exists. Though the static of an untuned AM receiver might be equivalent to the dial tone of a 56K modem, it’s still a major part of our society.

Like all technology, radio has transitioned to faster and better ways of sending information. Today we have digital radio stations – one of …read more http://pje.fyi/Q6vjT0

Paul Jacob Evans

Advertisements

One Transistor RTL-SDR Upconverter

Even if you haven’t used one, you’ve probably seen the numerous projects with the inexpensive RTL-SDR USB dongle. Originally designed for TV use, the dongle is a software defined radio that many have repurposed for a variety of radio hacking projects. However, there’s one small issue. By default, the device only works down to about 50 MHz or so. There are some hacks to change that, but the cleanest way to get operation is to add an upconverter to shift the frequency you want higher. Sounds complicated? [Qrp-Gaijin] shows how to do it with a single transistor. You can see …read more http://pje.fyi/Pdg98L

Paul Jacob Evans