J. Anthony Cavell
  • Male
  • Baton Rouge, LA
  • United States
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J. Anthony Cavell's Associates

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  • kwame frimpong
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  • Scott D. Warner, PLS
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J. Anthony Cavell's Discussions

Old H.I. rods needed

Started this discussion. Last reply by J. Anthony Cavell Mar 26, 2017. 5 Replies

I am in need of two slant height rods marked in cm and mm.to aid our research group at LSU measure the H.I. of our gravimeters. Ashtech had black ones, hollow with elastic through the center.They…Read more →

Subject Tags: help, HI, rods, needed

Assistance needed

Started this discussion. Last reply by ePalmetto Jun 18, 2014. 3 Replies

Assistance needed:  I am building a chart of geoid heights going back to Geoid96.  All the epochs worked except I cannot make the older software for Geoid96 work.  When it should give me a list of…Read more →

Subject Tags: Geoid 96, Geoid96

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J. Anthony Cavell replied to Ravi Shankar's discussion Grid vs ground for a large public works project
"Dear Ravi, I believe the disconnect between your work coordinated in UTM and the conversion by others. Converting between ground coordinates and a plane projection (grid) is more involved than simply applying a scale factor. One must correct for…"
Jul 21
J. Anthony Cavell replied to Ravi Shankar's discussion Grid vs ground for a large public works project
"Dear Mr. Shankar, You describe a project with several issues to be addressed. The project is long (260 Km) and narrow. (Horizontal control will probably be OK vertical will be suspect.) You plan to record the survey data in UTM, which has high…"
Jul 19
J. Anthony Cavell replied to Mohammad Salem's discussion Different in coordinates reading, Leica TS11
"I'm sorry I cannot offer an solution. I cannot find a cause for your problem. I probably would have to witness the situation personally to find the cause. JAC"
Jun 13
J. Anthony Cavell replied to Mohammad Salem's discussion Different in coordinates reading, Leica TS11
"Dear Mr. Salem, Are you surveying radially from a single point, shooting other points from one setup? Are you surveying radially from a few points, shooting other points from only a few setups? Or are you running a traverse through the points,…"
Jun 12
J. Anthony Cavell replied to Mohammad Salem's discussion Different in coordinates reading, Leica TS11
"Mr. Salem, I'm sorry; I don't understand your meaning. Please explain to me again. JAC"
Jun 11
J. Anthony Cavell replied to Mohammad Salem's discussion Different in coordinates reading, Leica TS11
"-The first possibility is that a point was disturbed. -Secondly, check your data to be sure scale factors, projections, and datums are EXACTLY the same. - Check the specs on your prisms and which ones were placed where. - Of course, consider…"
Jun 10
J. Anthony Cavell posted a status
"Initial Point proofing and monumenting this month. http://c4g.lsu.edu/index.php/featured-news"
May 3
J. Anthony Cavell replied to Timothy Francisco's discussion About Nikon Total stations
"I think all the reputabe manufacturers make a good tool for their intended markets.  I thought a bit of history might be interesting. The total station was first introduced to surveyors under a variety of names, including electronic…"
Mar 19
J. Anthony Cavell replied to Peter Georgiev's discussion problem with TBC
"Dear Mr. Georgiev, The answer is actually quite obvious when one understands what is involved. Data the operator inputs is editible because it is the operator who may have made an error. Data collected by the instrument is not editible because the…"
Feb 21
J. Anthony Cavell replied to Robert Hain's discussion Schonstedt power switch
"Remove the switch (or have a buddy confident with electronics do it). Look for identifying part numbers on it. Go to a local electronics supply house and ask if they can help. A personal visit will, in the right store, gain the interest of the…"
Feb 5
J. Anthony Cavell replied to Soumen Samanta's discussion In Traverse Calculation which Rule is used mostly? Bowditch Rule or Transit Rule?
"Dear Mr. Samata, That looks like a very useful Excel workbook! Thank you for the download. COMPASS RULE (Bowditch) The compass or bow ditch rule which was named after the distinguished American navigator Nathaniel Bowditch (1773-1838). His book…"
Dec 5, 2017
J. Anthony Cavell replied to Anthony Whitlock's discussion Boundary procedure question!
"Dear Mr. Whitlock, The correct answer is the oldest one in the surveyor's lexicon:  "It depends." In the final analysis, what you do will be expressing your professional opinion. Questions to answer include: What are you…"
Dec 5, 2017
J. Anthony Cavell replied to Marius Carel Beisswenger's discussion Abroad Semester
"Surveying Colleges in the U.S."
Nov 24, 2017
J. Anthony Cavell replied to James Barnett's discussion Do you use "per document"?
"A good point, "shown" especially if the document to which you refer is graphic or "described" if the document is descriptive. I think grammatically, "as per" is still literally correct.  JAC"
Oct 27, 2017
J. Anthony Cavell replied to Carl Morris's discussion Article for quarrying magazine
"Constantly check control monuments for possible movement. When working in the excavation, be aware of geometric limitations (short sights, blockage of satellite signals). Personnel safety from heavy equipment, slides, and quick-sands. Getting…"
Oct 27, 2017
J. Anthony Cavell replied to GPS LAND SURVEYING's discussion BEST GPS APP FOR SURVEYOR
"With an endorsement like that, I will have to take a look at it. Thanks, JAC"
Oct 27, 2017

Profile Information

I am here because I am a.
Professional Land Surveyor
Surveyor Bio:
Specialize?
Can a professional surveyor be a surveyor and specialize?
Company
J. Anthony Cavell, PLS, CFedS
Location for Member Map
N30° 21' 47.61", W91° 5' 36.37"
Licenses Certifications or Awards
Professional Land Surveyor,
Certified Federal Surveyor,
Certified PDH Provider,
Earl J. Fennell Award,
ACSM Fellow,
NSPS Fellow,
NSPS Past President.
I have experience with the following
GPS, cadastral, topographic, boundary surveys, construction staking, topographic surveys, control network surveys, ground movement monitoring, teaching, Survey Office, Construction, Expert Testimony
How many years have you been surveying?
licensed in 1990
Most comfortable with the following types of instrumentation
Total Stations, GPS, Surveying Software, Automatic Levels, GNSS, Old school surveying, theodolite, Chain, compass

J. Anthony Cavell's Blog

If life were perfect ...

Posted on July 26, 2013 at 11:13pm 3 Comments

"If life were perfect, we would all paint, we would all play an instrument, we would all dance. But because we know that life isn’t always perfect, we have to have dance, we have to have music, to remind us how good life can be." – Suzanne Farrell

Comment Wall (4 comments)

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At 7:54am on June 14, 2016, kwame frimpong said…
Please have u been organizing online programs n if yes when is it coming on
At 7:53am on June 14, 2016, kwame frimpong said…
Thanks Mr cavell God bless you.
At 7:51pm on March 6, 2016, ⚡Survenator⌁ said…

I love the days that you sweep through here and straighten everyone out... you truly are an inspiration Mr. Cavell.  The surveying world sure is lucky that you chose it as your profession.

At 10:57am on January 31, 2016, Billy Brooks said…

Hi Mr. Cavell,  Just want to say hi,I have work in LA.a few times.  Most of the time was on the Mississippi River for the Corps. of Eng. , but in 1978,1979 i did a dredging project on the G I W W.on the Grand River,Bayou Sorrel,Bayou Grosse Tete and Bayou Plaquemine , and i live in Plaquemine.  SO not to far of Stick Red. I enjoyed the time i spent there and even had a peroy made for me, love that boat.and saw the largest cotton mouths, one was big as a Dragon. Any way just wanted to say hi and you have a good day sir. Thank you for your time.

Billy Brooks

 
 
 

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