Raspberry Pi and APRS through rtl-sdr

I am not home, so I can't try this...but I found this snippet...

1. $ rtl_fm -f 144.390M -s 22050 | multimon-ng -v 10 -t raw -A -

 and multimon-ng seems to be the key to this all...

this post seems to have trouble compiling the multimon-ng on the Pi
 http://tubbyaustin.blogspot.com/2013/03/compiling-multimon-ng-for-raspberry-pi.html


 this one is using the Pi to decode pagers...but describes the installation of multimon-ng (and the rest of rtl-sdr)
http://www.raspberrypi.org/phpBB3/viewtopic.php?f=41&t=45142&p=357671


Sorta like the ADS-B data, this will simply be the raw messages...at this point...


Now this guy is using a graphic display

http://blog.bluedaylabs.com/2013/07/raspberry-pi-aprs-using-xastir.html

Xastir is the graphics display program.

 http://m0hpj.wordpress.com/2012/11/16/aprs-on-raspberry-pi-with-xastir/

Seems like Xastir is a full on APRS interface...not just a display...

...I might have to attempt connecting  a TH-D7 with build in TNC via serial to USB to the Pi...

http://www.youtube.com/watch?v=PdZ_vywomZk

http://www.xastir.org/wiki/XASTIR_Manual#Kenwood_TH-D7A_with_GPS