That was a previous address, in a house, located on a flood plain. Now, you can measure the range of AM in feet. FM is a little better, maybe sever...

The thicker antenna might be for the air band, usually is anyway.

I just ran across another one of these types of radios and it looks really good. It's the Bajeton BJ-7800, and similar to a line of radios from bette...

@richpowers Well, the FCC wouldn't want such things as power, for example, to be modified after certification. Or filtering. Or any of the vast numb...

Any new Part 15 transmitter would be going backwards in terms of technology if it wasn't implemented, at least in part, with SDR/T concepts. You'll n...

@richpowers R Fly's use of Class E in his charts makes sense. You have to live in precisely the right area with good ground conductivity, and work ha...

@richpowers Close. It's actually a software defined transmitter for a wide range of frequencies, and it has the capability of transmitting in the AM ...

By the way, you probably know this, but you can run APRS from your smartphone - there's at least one app (I use APRSDroid, there could be others, but ...

That's the one. There are many versions out there, as the design and firmware are open source. So you have tons of iterations in the market. If yo...

Those are the ones. The K5 & K6 have nearly identical hardware internals; there are a few differences in the packaging (i.e., case) but that's ab...

@richpowers That US$12 equates to about C$20. For just a few dollars more I purchased several Quansheng K-5's. They're similar to what you bought, b...

@richpowers That US$12 equates to about C$20. For just a few dollars more I purchased several Quansheng K-5's. They're similar to what you bought, b...

All transmitters in Canada have to be certified, which is why I specifically stated that the Hack RF could be used to transmit in the AM broadcast ban...