An easy to remember rule is that if you feel it as you walk over it then treat it as a break line. Thus breaks of slope and distinct rollovers will re...
Yes, about 5 companies is probably correct: a very small percentage of the market here. UK regulations are contained within the Civil Aviation Authori...
Not quite true about the use in England. The technique is starting to appear (perhaps less than 0.1 percent of all suitable jobs).Restrictions are qui...
Just to clarify the last post - I should have started by saying that you need to check the actual live job is recording. A dummy can be checked as rec...
To make sure the receiver is recording static data, once it is running go to the Instrument menu on the controller and select "Import from Receiver". ...
Agreed. I should have said that we also use 15 minutes minimum. GPS on top of the instrument is very handy when you are in wooded areas (such as corri...
We don't use VRS, but we are now starting to be asked to carry out work where somebody else has been unable to get "GPS signals". There doesn't seem t...
I'm just pricing a job where we will be reading levels to 0.01mm, probably achieving an accuracy of 0.03mm, using invar staves and an N3.As others hav...
I long ago adopted the policy of quoting an expert witness fee in the form : "75% of the hourly fee charged by the instructing lawyer".This way ensure...
Instruments all appear to "take" the best signal they get back, so with a 360 degree prism where there will be more than one reference visible, the re...
Ni-MHMost total stations draw considerably less than 0.8 amps momentarily at the peak point of the measuring cycle. Average draw is in low milliamps, ...
Question about virtual base set-upA useful piece of research, conducted by Newcastle-upon-Tyne University is available on the UK Survey Association we...
The temperature of 68 Fahrenheit is also 20 Centigrade, which is the reference standard temperature used outside the USA. As noted, most calibration l...
Can I add a couple of thoughts from my side of the pond.I've monitored a large shopping complex for some 25 years now. It was built on an old power st...