Amateur Radio Spot Viewer

This app allows you to view and filter spots from amateur radio digital spot websites with some extra features over it's free counterpart!

Extra features over free version (https://play.google.com/store/apps/details?id=com.Variatur.spot_viewer):
- No Ads
- CSV Export
- Multiple spot coloring modes such as SNR color mapping

Currently the three supported data sources are:
- https://pskreporter.info
- https://www.wsprnet.org/ (via wspr.live database)
- https://www.reversebeacon.net/
You must provide a callsign for each query.

The currently supported filters are:
TX/RX - Whether to show TX, RX or all spots involving the callsign
Time range - The oldest spot to be shown
Band filtering - If enabled, bands can be toggled on and off from the query
Source filtering - If enabled, only the selected sources will be used