V4.0:
ӦһЩûҪ޸ģ
(1)7תйתǵĲ֣ǰ汾λΪȣױ任⣩V4.0Ϊ루ױ任ǵϵͳһϵתʱתǿܻܴԲöȷʽdms
(2)4к2ĺ˸ı䡣ϰ汾ĺǣ2ǳ߶ȱתǵֵֵ֮°汾ĺǣ2תǣ룩ͳ߶ȱȡ
һǰ汾мתͲV4.0汾ʹ,ӦV4.0¼ת
۲Ǹ汾תǿɿġ

V4.04:
(1)ĹУ˲в
(2)˵߼еһպϲӽ+/-360ʱʵӦΪӽ0ȡ
(3)мпոΪյ⣺мпո񽫺ԵΪհ0Դ

V4.05:
ˡ̵ֳ߳תеһ󡱡

V4.06:
(1)ˡƽ㡱15ʱWord⡣
(2)ԡֳ߳תĽŻһ¡
(3)ˡƽ-ءв̵ܵ߳⡣

V4.064:
(1)˱עֵ֡60
(2)˱עֵСλûС⡣

V4.065:
Ӳע⣺עּװ̬Ӳ̡ĵԣ֤ÿһӲֻ̣ҪһͨΪѾעᡣ

V2013:
    ǿתĹܣʹõĹܣƸΪת2013ȫĵһ汾
    ΪӦҲֵϢ칫ҡ2000Ҵϵƹʹüָϡ¼ơָϡ͡زƵת̡¼ơ̡Ҫת2013ԭеĲɳģͺͶάĲģ⣬ά߲ά߲άĲͶʽģ͡⣬תıʽҲ˵߶ȱȡΪ߶ȱ仯롶ָϡ̡͡һ¡
    תԳʹҲŻֵʾʽɹ̶ȸΪѧʾʽʹ㾫ȸߡ
    ǰġתӦġɳģ͡ǰġ๫Ʊ任ӦġάĲģ͡ģǰתȫ轫߶ȱȡΪ߶ȱ仯ɣ㹫ʽΪ߶ȱ仯D=߶ȱK-1
    ûӵתĹ㣨ָϡ̡͡Сغϵ㡱Ļ¼ת
    ˵ǣͬתģͣתǲܻġ
    תģ͵ļ㹫ʽԴڡָϡ̡͡ԡʽϡʽıʽ˸ʽϵͳһ

V2014:
    GPS߳ϡīͶӰ㡣


