10-14-2020, 10:18 AM
An extract from Circling Pattern, 73 magazine {OCT 1976}, pg.14
" …
For those readers having access to the HP-65, here is a simple modification to the Great Circle Navigation program (NAV 1-10A) which will compute lhe beam heading between any two points on the globe. With this version, you only need enter your QTH latitude and longitude once. As an added bonus, the program automatically calculates the distance in nautical miles between any two terrestrial points … "
BEST!
SlideRule
ps: see HP Software Libraries / General Software Library / (55) Great Circle Azimuth for article referenced in JUNE 76 publication
" …
For those readers having access to the HP-65, here is a simple modification to the Great Circle Navigation program (NAV 1-10A) which will compute lhe beam heading between any two points on the globe. With this version, you only need enter your QTH latitude and longitude once. As an added bonus, the program automatically calculates the distance in nautical miles between any two terrestrial points … "
BEST!
SlideRule
ps: see HP Software Libraries / General Software Library / (55) Great Circle Azimuth for article referenced in JUNE 76 publication