GRAPT/Resources
From MyLabWiki
- http://personales.ya.com/metbee/apt_format.html
- http://5b4az.chronos.org.uk/pages/apt.html
- http://atpdec.sf.net
- According to this APT uses 17 kHz deviation.
- http://www.kappe.dk/home/noaid.htm
- http://www.rig.org.uk
- http://noaasis.noaa.gov/NOAASIS/ml/meteor.html
- http://noaasis.noaa.gov/NOAASIS/ml/status.html
