GSM
http://gpv-map.tingala.net/img/gsm/rpw/ft057.png
http://gpv-map.tingala.net/img/gsm/rpw/ft096.png
http://gpv-map.tingala.net/img/gsm/rpw/ft114.png
http://gpv-map.tingala.net/img/gsm/rpw/ft117.png