If you don't know where you are (starting point) can you find your position through shooting two back azimuths from landmarks once the map (grid) is oriented to magnetic north in this manner? will it be accurate with terrain? or would you have to orient off of the true north neat line on the map to magnetic north instead? It seems like the terrain drawn on the map is drawn to true north with the grid lines being laid over to Grid North. If you didn't orient the map using the true north neat lie, you'd be off by the difference between true north and grid north in your map orientation. I realize a majority of the time this is less and 3 degrees and is negligible, but depending on where you are is there not a difference sometimes? How does this affect accuracy of finding where you are? I'm trying to learn how to navigate using a lensatic compass without a protractor myself since I probably won't have one in a survival situation and I'm not in the military. Many thanks for making this video...I've been searching everywhere. It seems this land navigation thing is a somewhat lost art if you're not in the military.
This method is field expedient but not accurate. I suspect your other videos dig deep into accuracy. You aligned with Grid North and in most cases this makes little difference for operators. It depends how far away from the central meridian you are. It could be minutes to a couple of degrees out from True North. I suspect you go into declination in other videos. I carry a military protractor, flexible plastic half protractor, plastic flexible ruler, adjustable declination compass, and a lensatic compass.
hi! can you please suggest some literature to learn how to use the tools you listed? And maybe how to NOT use them all, like for instance....I have some 1:20,000 scale maps and no ruler for that scale (i have only a military protractor with the normal 10k 25k 50k rulers....should I use the 10k and do some simple math?
If you don't know where you are (starting point) can you find your position through shooting two back azimuths from landmarks once the map (grid) is oriented to magnetic north in this manner? will it be accurate with terrain? or would you have to orient off of the true north neat line on the map to magnetic north instead?
It seems like the terrain drawn on the map is drawn to true north with the grid lines being laid over to Grid North. If you didn't orient the map using the true north neat lie, you'd be off by the difference between true north and grid north in your map orientation. I realize a majority of the time this is less and 3 degrees and is negligible, but depending on where you are is there not a difference sometimes? How does this affect accuracy of finding where you are?
I'm trying to learn how to navigate using a lensatic compass without a protractor myself since I probably won't have one in a survival situation and I'm not in the military. Many thanks for making this video...I've been searching everywhere. It seems this land navigation thing is a somewhat lost art if you're not in the military.
This method is field expedient but not accurate. I suspect your other videos dig deep into accuracy.
You aligned with Grid North and in most cases this makes little difference for operators. It depends how far away from the central meridian you are. It could be minutes to a couple of degrees out from True North. I suspect you go into declination in other videos. I carry a military protractor, flexible plastic half protractor, plastic flexible ruler, adjustable declination compass, and a lensatic compass.
hi! can you please suggest some literature to learn how to use the tools you listed? And maybe how to NOT use them all, like for instance....I have some 1:20,000 scale maps and no ruler for that scale (i have only a military protractor with the normal 10k 25k 50k rulers....should I use the 10k and do some simple math?