Version info:

1.1 - initial version
1.2 - some bugs fixed
1.3 - added Japanese
1.4 - fix minor bugs, added support new Bluetooth module
1.5 - battery charge bug fixed, 4 meters band added
1.6 - corrected measurement math
1.7 - fixed the backlight of the 420-450 MHz for ITU-R2 band
1.8 - GUI bug fixed in AllParam screen