There are many ham radio orientated apps available from Google Play for your Android device, and I will be documenting a few of the apps I have found useful here.
Frequensee
https://play.google.com/store/apps/details?id=com.DanielBach.FrequenSee&hl=en
This is an audio spectrum analyser, acoustically coupled via the handset’s microphone.
Here, I am adjusting the frequency of a local oscillator (LO) in a transverter for a 1000 Hz beat note on a test signal.
I could do this by ear, but this is very quick and a lot more elegant. It saves mucking around with some PC-based program and getting the audio into the sound card.
HamGPS
Displays your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a target location using locator or latitude / longitude. Useful when aligning antennas in microwave activities. No network or fancy maps usage, so it can be used even in remote locations.
[jwplayer mediaid=”945″]
More apps to be added here in the future 🙂
For other Android apps that hams are using, have a look at this Archived VK Logger Forum topic.