Over a year ago I bought a
Nooelec Ham It Up Plus Upconverter to use as both as an Upconverter and as a wideband noise source, and an
RF bridge, also known as a Return Loss or VSWR Bridge, with the intention of combining them with an RTL-SDR to create a poor mans spectrum analyser.
Now we're unable to leave the house for all but "essential trips" I've had more time to play with radio toys so I got the kit out to experiment with, and tested a couple of filters and antennas to see if it was viable.
![](https://1.bp.blogspot.com/-2LZDz9taYOI/XpTaAOwG3rI/AAAAAAAAutI/7al36ihDy5QpTGmhcdLjKmjIwZ7lxbpoACLcBGAsYHQ/s400/IMG_20200413_215150.jpg) |
The VSWR Bridge |