I’ve done a lot zenith angle elevation in the Hagerstown MD valley to radio towers. So the vertical angles are somewhat large 1-3°. So not skimming. ...
@field-dog Thanks. The formulae in those are useful. And fits.
@field-dog?ÿ It??s a power supply, D batteries, but not necessarily for the reticule. There is a lamp to illuminate the horizontal circle. And a sec...
@field-dog my favorite. 1955 and a newer T3 isn??t better?ÿ
@field-dog?ÿ I live for T3 angles, with a 60 count micrometer. 8 to 12 sets. Yeah?? you don??t pick up before those numbers crunched. And that??s...
@field-dog?ÿ Unfortunately the new guy usually can??t deal with an 8 lb windmill swing. Slows the whole process down. So the PC on hammer and new gu...
@field-dog?ÿI had an apprentice on the crew and he was working an assignment of practice questions. He was totally confused. While driving to office I...
@olemanriver?ÿBeware: There are more than one emulator! You want i41CX+ by Antonio Lagata.
As for true classical calcs, my favorite textbook these days is by Royal Engineers 1925; ordnance survey officer??s textbook. It??s verbose formular...
@olemanriver?ÿ i41cx iOS emulator for iPhone is very nice. I have several 41s, and 15. I just bought a 42. I never figured out 48. Didn??t have the...
@olemanriver?ÿ Back in the day: coord printout, T2 with AGA EDM. The plans annotated with point numbers. And HP41. Layout a bridge, a tilt up, miles...
@dave-karoly?ÿ For years I made almost no application of the stats reg. And took a long time to recognize how useful the P/R button is. Azimuth enter...
I??m fortunate. I have a Pailin micro barometer. I have HP41 routine to calculate the pressure altitude based on ??altimeter setting?? (I live righ...
I like running traverse and lot closures with HP15 because it??s so easy.?ÿ using toward azimuth not bearings. Enter distance and azimuth, use the P...
@geeoddmike Looking 30 mile range. Not commercial application. More of a return to old school.?ÿ
@john-hamilton?ÿ Messing around?? sort of. Cove Mtn pass to High Rock lookout, just south of Penmar park. 27.7 mi. And from a dozen or more points ...
@bobwesterman?ÿ putting Simone at top with a plumb bob would be far more expensive time consuming and hazardous than theodolite measurements, combine...
