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IOS App that calcs a dest. long/lat from current loc based on comp heading & dist
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Picture of Mike_Dettorre
posted
Looking for an iphone app that will calculate a target destination's long/lat based on the current location, a compass heading, and distance.

Anybody know of one?


Mike



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10054 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
One of Us
Picture of BaxterB
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Dont know of an app, but this looks to do what you need online:http://www.geomidpoint.com/destination/
 
Posts: 7779 | Registered: 31 January 2005Reply With Quote
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Picture of Mike_Dettorre
posted Hide Post
Yep that's what I need to do, thanks

now just away to do it in the woods


Mike



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10054 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
posted Hide Post
quote:
Originally posted by Mike_Dettorre:
Looking for an iphone app that will calculate a target destination's long/lat based on the current location, a compass heading, and distance.

Anybody know of one?


The old US Army GLID system did that - you zap the target with a laser and it gave the grid coordinates. Surprised no one has done that with a laser rangefinder; could feed it to a GPS device.


Don't Ever Book a Hunt with Jeff Blair
http://forums.accuratereloadin...821061151#2821061151

 
Posts: 7570 | Location: Arizona and off grid in CO | Registered: 28 July 2004Reply With Quote
One of Us
Picture of BaxterB
posted Hide Post
Are you using this for long hikes/navigation, or??

The Garmin Earthmate app is excellent and you can kind of do what you want, but not super precise as you can’t enter a bearing and distance, but you can manipulate the map to effectively do the same. All depends on the level of detail you need, etc.
 
Posts: 7779 | Registered: 31 January 2005Reply With Quote
One of Us
Picture of Mike_Dettorre
posted Hide Post
The application is recovering game in steep country.

There is some area that I am checking out in ID.

I can see shooting an animal in steep semi open country and losing site of the animal before it's down and not being able to take a direct route to it.

It would be great to be able to lase the spot where you last saw it and say that spot is 325 yards on a heading of 273 deg from where I am which is this lat/long which means the last spot I saw the animal was at XYZ lat/long because I will likely need to take a circuitous route.


Mike



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10054 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
One of Us
Picture of sambarman338
posted Hide Post
I think the First Church of Aldo Leopold would give you a tick for that purpose, Mike. Finding dead and wounded game is an important matter, in my book.
 
Posts: 4942 | Location: Melbourne, Australia | Registered: 31 March 2009Reply With Quote
One of Us
Picture of BaxterB
posted Hide Post
quote:
Originally posted by Mike_Dettorre:
The application is recovering game in steep country.

There is some area that I am checking out in ID.

I can see shooting an animal in steep semi open country and losing site of the animal before it's down and not being able to take a direct route to it.

It would be great to be able to lase the spot where you last saw it and say that spot is 325 yards on a heading of 273 deg from where I am which is this lat/long which means the last spot I saw the animal was at XYZ lat/long because I will likely need to take a circuitous route.




Maaaannnn....I like yer thinking. The Frank Church is an area that might be useful.
 
Posts: 7779 | Registered: 31 January 2005Reply With Quote
One of Us
Picture of Mike_Dettorre
posted Hide Post
Thanks Baxter. There is some terrain I am looking at where I can imagine shooting down in a canyon and even if I saw exactly where the deer laid down in sage brush I would potentially have to walk 200-300 yards beyond it down the spine of a ridge then walk down into the canyon and then backtrack to it.

At that point the deer is now a member of the Fagizit eskimo tribe as in Where the f*ck is it?


Mike



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10054 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
posted Hide Post
quote:
Originally posted by Mike_Dettorre:
The application is recovering game in steep country.

There is some area that I am checking out in ID.

I can see shooting an animal in steep semi open country and losing site of the animal before it's down and not being able to take a direct route to it.

It would be great to be able to lase the spot where you last saw it and say that spot is 325 yards on a heading of 273 deg from where I am which is this lat/long which means the last spot I saw the animal was at XYZ lat/long because I will likely need to take a circuitous route.


Mike:

You can do this with a laser rangefinder and an iPhone. Zap the range; get the azimuth from the rangefinder (if it has an internal compass) or your iphone. If you download Topo Maps+ you can then draw a line that matches the distance and azimuth. Works just like you want.


Don't Ever Book a Hunt with Jeff Blair
http://forums.accuratereloadin...821061151#2821061151

 
Posts: 7570 | Location: Arizona and off grid in CO | Registered: 28 July 2004Reply With Quote
One of Us
Picture of Mike_Dettorre
posted Hide Post
AAW,

OK, so I drew my line.

Does it give me the lat/long at the end of the line?


Mike



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10054 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
one of us
posted Hide Post
quote:
Originally posted by Mike_Dettorre:
AAW,

OK, so I drew my line.

Does it give me the lat/long at the end of the line?


Sure does. pretty sure you can also drop a point and navigate to it.

Only problem with an iPhone is batt life in cold weather...mine dies quickly. I noticed that when running in MN and trying to listen to music.


Don't Ever Book a Hunt with Jeff Blair
http://forums.accuratereloadin...821061151#2821061151

 
Posts: 7570 | Location: Arizona and off grid in CO | Registered: 28 July 2004Reply With Quote
one of us
posted Hide Post
Don't know about a Iphone but I can do it with my Garmin GPS Montana.

Matter of fact I used it to find my Mule deer buck this fall having to travel about a quarter of mile to get to the spot 200 yards away.
 
Posts: 19355 | Location: wis | Registered: 21 April 2001Reply With Quote
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