Hornady Kestrel 5700 Ballistic Weather Meter 4 DOF Official Support Thread

#151
There are multiple ways to accomplish many of the tasks in a Kestrel, all do the same thing.
I find the fastest way is to:

Down arrow to Environment and be sure it is set to live.

Up arrow back to TGT and press the button with the red line to turn on DOF acquisition and once the compass heading stabilized, press the button again to turn off acquisition.

Use side arrows (if using single target only) to enter Range (if not using LRF).

Down arrow to Wind and face into the wind and press the red line button to turn on wind direction and speed acquisition, once the compass heading stabilizes and you have captured any gusts, press the button again to turn off acquisition.

Read the holds and take your shot.
 
#153
@Kestrel Ballistics Thank you for doing the zoom training session last month! I was unable to attend live but final got a chance to watch the recording and I have to say it was one of the most informative hour I’ve sat through.
I highly suggest anyone with the hornady kestrel to sign up for one if they do it again.
 
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#154
drwood96 said:
@Kestrel Ballistics Thank you for doing the zoom training session last month! I was unable to attend live but final got a chance to watch the recording and I have to say it was one of the most informative hour I’ve sat through.
I highly suggest anyone with the hornady kestrel to sign up for one if they do it again.
Click to expand...

Is there a link for the zoom recording?
 
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#157
drwood96 said:
@Kestrel Ballistics Thank you for doing the zoom training session last month! I was unable to attend live but final got a chance to watch the recording and I have to say it was one of the most informative hour I’ve sat through.
I highly suggest anyone with the hornady kestrel to sign up for one if they do it again.
Click to expand...
Completely agree with drwood96's posting. The training session was very informative due to the excellent presentation. I would also like to thank the Kestrel team that offered and presented this training session.
 
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#158
Thinking of trying the Kestrel 4dof - I have the AP Kestrel - and the 4DOF phone app - sooo, a lot of older posts have asked similar questions but I don't see firm answers - so sorry to repeat:

1. Is the 4DOF still limited to 3 guns, and loads?
2. Are there 4 DOF profiles available for non-Hornady bullets? Berger?
3. Does it link to the SigSauer LRF binos - Kilo3000?

Thanks
 
#159
jrsandiego12 said:
Thinking of trying the Kestrel 4dof - I have the AP Kestrel - and the 4DOF phone app - sooo, a lot of older posts have asked similar questions but I don't see firm answers - so sorry to repeat:

1. Is the 4DOF still limited to 3 guns, and loads?
2. Are there 4 DOF profiles available for non-Hornady bullets? Berger?
3. Does it link to the SigSauer LRF binos - Kilo3000?

Thanks
Click to expand...

1. Yes, the Kestrel itself is limited to 3 profiles but you can have a lot more on the kestrel app and just push the three you need to the kestrel. A quick process.
2. yes, they have focused on the popular LR match bullets. Don’t see the newer 109 & 144 Bergers but the 105 and 140 are in there. They have roughly 100 bullets under 4DOF. I would pay for an expanded library.
3. They do not as the Kilo3000 uses AB proprietary BT protocol.
 
#161
Is there a chance you can fixe this?
That would be great!! Thanks
www.snipershide.com

Hornady 4DOF pressure issue/bug??

I'm a bit confused. Press unit mbar, vallue 1010mbar. Hud displays/calculated it properly but table shows 1346.64mbar. If that is yhe case tavle view is pretty useless 😕. Some thoughts?
www.snipershide.com www.snipershide.com
IMG_20201221_111740.jpg
 
#162
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#167
BoltActionBrotherhood said:
@Kestrel Ballistics any new LRF that with work with 4dof? I have seen the list you keep linking to, but its been out for a few years, has anything changed? Any more rnage finders that officially or unofficially can link to the 4dof kestrel to provide distance when ranging a target??
Click to expand...
The link is current and all LRF that work with a Kestrel are listed. There is no unofficial way to link to a Kestrel.
 
#170
Please confirm: Using Zero angle feature in 4dof Kestrel and 4dof App - I can emulate zero offset feature (elevation only)

running multical platform and would like to have different offsets for different calibers.
 
#172
There have been a few questions about differences in the 4DOF app and the Hornady Kestrel 4DOF meter. This should answer most of them.

First off, The Hornady app and the Kestrel where not designed concurrently. The app predated the Kestrel by many years and as such was built in a different way from a user inputs standpoint, although the calculations are the same between the two platforms.

Axial Form Factor tuning when not using a 4DOF bullet file:
The AFF adjustment that is an option on the BC side of the Hornady Kestrel will adjust the standard drag curve selected (G1 or G7) up and down in the same manner as when used with a 4DOF bullet file. In other words, the use of the axial form factor while using BC inputs on a Hornady Kestrel will have the same effect as adjusting the BC itself.

Windage Offset
Again, because the 4DOF app and Hornady Kestrel 4DOF were developed at different times the Windage Offset was a recent addition to the app and not available in the original meter software. This could be added if there is demand for it.

Zero Angle and Axial FF functions
The Hornady Kestrel 4DOF meter, when using G1/G7 BC calc (not 4DOF), does use Zero Angle and Axial FF functions in the same way as when using a 4DOF bullet file. This function is the same in either the Hornady app or the Hornady Kestrel meter.
 
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#173
Kestrel Ballistics said:
Windage Offset
Again, because the 4DOF app and Hornady Kestrel 4DOF were developed at different times the Windage Offset was a recent addition to the app and not available in the original meter software. This could be added if there is demand for it.
Click to expand...

Thank you.
I am using Kestrel 4DOF with Multicaliber platform and evelation offset works great with Zero Angle feature.
 
#176
@Kestrel Ballistics - Good morning. Quick question on pairing the Hornady Kestrel 5700 with the Hornady 4dof app. I realize I may have to direct this question to Hornady but I figured I'd give you a shot. After pairing my Hornady Kestrel 5700 to the Hornady 4dof app, the wind speed and wind directions immediately "gray out" and are unable to be edited. The workaround I've found is to pair the Kestrel to the app to grab environmental data, then unpair the device where the wind direction and speed become editable again. I've attached two pictures that show the issue. Any assistance would be greatly appreciated. Thanks
 

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#177
30yardsniper said:
@Kestrel Ballistics - Good morning. Quick question on pairing the Hornady Kestrel 5700 with the Hornady 4dof app. I realize I may have to direct this question to Hornady but I figured I'd give you a shot. After pairing my Hornady Kestrel 5700 to the Hornady 4dof app, the wind speed and wind directions immediately "gray out" and are unable to be edited. The workaround I've found is to pair the Kestrel to the app to grab environmental data, then unpair the device where the wind direction and speed become editable again. I've attached two pictures that show the issue. Any assistance would be greatly appreciated. Thanks
Click to expand...
They are greyed out because the wind speed and direction are collected from the 5700.
 
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#179
Pasted from athread i started because i forgot about this Kestrel 4dof thread:

Kestrel 4dof not playing well with 6XC

I have no other way to explain it. I own a Desert Tech and AI AX with about ten different barrels between them. The solutions in the Kestrel have been spot on for everything else. The second I switch to my 6XC with either 115 DTACs or the Barnes 112 Match Burner, my solution is about 0.4 mils off (let's say actual dope is 3.0 mils to 615 yards, 4DOF Kestrel says I need 2.6 mils) and I can not adjust the Form factor enough to get everything to line up. All my inputs are correct and work for other calibers, except for the damn 6XC, not that I think it's caliber specific, just that the combination of bullet, velocity, scope height, etc just happens to give me poor results. My Dasher is spot on for both 105 and 109 Hybrids so it's not an issue with 6mm bullets. Any suggestions? @Kestrel Ballistics
 
#180
canezach said:
Pasted from athread i started because i forgot about this Kestrel 4dof thread:

Kestrel 4dof not playing well with 6XC

I have no other way to explain it. I own a Desert Tech and AI AX with about ten different barrels between them. The solutions in the Kestrel have been spot on for everything else. The second I switch to my 6XC with either 115 DTACs or the Barnes 112 Match Burner, my solution is about 0.4 mils off (let's say actual dope is 3.0 mils to 615 yards, 4DOF Kestrel says I need 2.6 mils) and I can not adjust the Form factor enough to get everything to line up. All my inputs are correct and work for other calibers, except for the damn 6XC, not that I think it's caliber specific, just that the combination of bullet, velocity, scope height, etc just happens to give me poor results. My Dasher is spot on for both 105 and 109 Hybrids so it's not an issue with 6mm bullets. Any suggestions? @Kestrel Ballistics
Click to expand...
Do you use Zero Angel option with 4DOF? If so then check the values. It will be different between the two calibers. Once the zero angel is set for a barrel/caliber then you should be able to change bullet weight without rezeroing.
 
#181
drwood96 said:
Do you use Zero Angel option with 4DOF? If so then check the values. It will be different between the two calibers. Once the zero angel is set for a barrel/caliber then you should be able to change bullet weight without rezeroing.
Click to expand...
I haven't touched the zero angle, but I'll double check. I keep the offset for the different barrels written in my data book.
 
#182
@Kestrel Ballistics and SH folks:

This is another inquiry which should perhaps go to Hornady but you guys have been very responsive...big companies, meh.

Kestrel is a 5700 with 4DOF built in.

The Kestrel connects via BT to the Kestrel Link Ballistics app without issue

Issue is trying to connect the Kestrel to the Hornady 4DOF app (kind of like its GUI and have stuff built in there already).

When I hit "Pair Meter" in the 4DOF app, it takes me to a screen which has an on/off button for "Use Weather Meter".

When I turn this to the "on" position, the app says I have to "turn on BT to search for devices".

However, BT is turned on my phone (iPhone 11 running 14.7.1), my phone sees the Kestrel via its connection to the Kestrel Link Ballistics app, but the Hornady app just won't seem to recognize that BT is on and that this meter is already connected to my phone. It just will NOT seem to recognize BT is on nor show available devices.

Anybody else have this issue?

P.S. - NEVER MIND. I'm a fucking idiot and Apple can suck my appendage. After digging thru all of the settings on this phone, I looked into the specific setting for the Hornady app and viola', there is an on/off button for allowing the 4 DOF app to access BT....and, I'm pretty sure I didn't make any changes (maybe??) and that it installed with BT off as a default...maybe??

In any case, I am proving every day that I am turning into an old goof. Hard to believe that I was actually a Prog Mng in for telecom equip manf companies.....sigh.

Cheers
 
Last edited:
#185
6.5SH said:
You don't.

It is purely for returning some of the adjustment range of your scope for elevation.
Click to expand...

I apologize for being a little ignorant here...I'm a newbie. So, what do I do to use the Kestrel 5700 with my rifle with a 20MOA rail on it? Is the process that I zero out the scope on the rifle with the 20 MOA rail first...and then use the Kestrel for the adjustments off the zero point I already made?
 
#186
The 20 moa rail is just part of the gun, nothing that needs additional thought, the zero will include it and all Kestrel solutions will be based on the zero using the 20 MOA rail. Be sure to read the instructions about Form Factor for the Kestrel Hornady 4DOF, as correcting the meter to your rifle will aid in accuracy.
 
#188
goneballistic said:
I have a question: I have the 5700 4DOF Kestrel, I need more firearms in the device and don't want to have to swap them in my phone all the time, so I'm upgrading to the 5700x.

When I tried transferring my load over from the Hornady Kestrel, to the Kestrel 5700x, the dope was different.

I manually entered my load, same BC, same velocity, everything. Calibrated compasses, the works. (this is for a .22lr bullet for NRLX). If I put in 200 yards on both devices, and I was getting about a half .mil of difference on the dope.

I tripled check everything to make sure I didn't miss anything. Distance units, temps, BC, velocity, bore heights everything.


is this difference because they are using different solvers internally? I am surprised they solve so differently.

I finally "trued" the 5700x by messing with velocity so the dope was pretty close at most distances, but not sure I fully trust it yet. I'm going to have to figure out the DSF function. the Hornady DoF Axial Form Factor thing never really worked correctly for me with .22. so I just left it at 1.0 and adjusted BC and Velocity to get my dope trued up over time.
Click to expand...
Different solvers - different solutions until both are trued correctly. With the X use the AB custom for your bullet and then go to the range and do 5 DSF, shortest to furthest to true the caliber see DSF video here https://kestrelballistics.com/schoolhouse
 
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#193
walley2960 said:
It appears that with 4 DOF Kestrel does not calculate A.J. when left twist barrel is selected. only spin drift. Is this correct, or has someone seen something different?

@Kestrel Ballistics
@lowlight
Click to expand...
one of the updates a bit ago killed the left twist calculations. it actually was using RT for AJ which really screwed things up. but then it was corrected in a later update. it should be working now. the 4dof kestrel doesn’t let you turn off AJ and SD. they are always on.
 
#195
I'm scared to update my hornady kestrel. Everything works. I heard a while back that an update fucked 4dof all up. Have they fixed whatever they was?
 
#197
Yea, I only run RT as well but I cant remember what the "fuck up" was with one of the updates. It would've been one last year, not super recent I guess.
 
#198
BLKWLFK9 said:
Yea, I only run RT as well but I cant remember what the "fuck up" was with one of the updates. It would've been one last year, not super recent I guess.
Click to expand...
I thought it was their app that had the fuck up.

I ended up abandoning the 4DOF as I did not see them expanding their library anytime soon. Their zero angle and axial form factor are awesome. I get they need to push their product first but I’m sure people would be willing to pay for the inclusion of other modern bullets.
 
#199
lowlight said:
I turn all that crap off anyway

If it doesn’t that is good, but I went back to AB over the Hornady as I can get more control with it.

You have to be able to turn that crap off
Click to expand...
@lowlight
When firing in a substantial wind, say 10mph at 1000yrds from 90deg vs 270deg.
Have you observed aerodynamic jump at all? Perhaps less than the solvers would indicate.
Or is it lost in the noise and something you would not account for?
 
#200
walley2960 said:
@lowlight
When firing in a substantial wind, say 10mph at 1000yrds from 90deg vs 270deg.
Have you observed aerodynamic jump at all? Perhaps less than the solvers would indicate.
Or is it lost in the noise and something you would not account for?
Click to expand...

AJ gets confusing. as i understand it, it is the wind at the muzzle that matters for AJ. given the 3:00 and 9:00 winds you referenced, if they are blocked at the muzzle, you will not need the full correction the solver will give you.
you can’t turn it off in the 4dof kestrel. so i set wind at 12:00 for elevation.
but i have found 4dof AJ correction to be accurate if the muzzle is experiencing the wind.
that said, my backup is the Garmin with AB. i can true to to be identical to my 4dof. it just takes a little more tinkering. but it works fine and actually gives me much more info.
since i shoot a-tips the 4dof curve works very well.
 
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