listener.set_apogee_voltage(AltosConvert.cc_igniter_to_voltage(apogee));
listener.set_main_voltage(AltosConvert.cc_igniter_to_voltage(main));
if (gps != null)
listener.set_apogee_voltage(AltosConvert.cc_igniter_to_voltage(apogee));
listener.set_main_voltage(AltosConvert.cc_igniter_to_voltage(main));
if (gps != null)