TKProc

Estimate the impedance and tipper of a site, with its base and remote sites, and write an EDI file.

Experimental

Options and output may still change.

using Timekeepers
run_tkproc("data/survey")   # start Julia with `julia -t auto`

To	Do
Open a survey	Survey…
Pick a site	Site
Set it up	Base, Remote, Rate and the options; Save set-up stores them in the site's procset.dat
Estimate	Process (also saves the set-up to procset.dat)
Save	Export… → <name>.edi and <name>.png

• If you exported a plan from TKDash, TKProc uses it.

• The first Base entry is the site itself (its own Hx, Hy).

• min_distance, min_period, max_period, span and rotate are set only in the site's procset.dat. TKProc reads them when you pick the site and at each Process.

Survey layout

survey/
├── s/              coil calibration files, e.g. MFS07e160.txt
├── d/dipoles.dat   dipole distances of each site
├── site002/
└── site004/

d/dipoles.dat: one header line, then per site the distances in metres from the centre to the N, S, E and W electrodes (Ex = N + S, Ey = E + W; - if unknown; no comments):

site       N      S      E      W
site002   24.5   48.5   50.9   51.5
site004   49.0   51.2   51.0   51.0

Dipole lengths come from d/dipoles.dat, then the .ats header, else 50 m per electrode. LEMI-424 and GEOMAG files have no electrode positions, so give their sites a line.

Output names

<name> lists the settings that made the estimate, so you can repeat it:

site-base-remote-rate-window-overlap-bands-prewhiten-top-harmonic-windows-levels-method-huber-leverage-jackknife
site002-site002-site099-all-256-0.5-8-3-auto-4-8-12-ct2004-1.5-1-50.edi

The remote is none when there isn't one. The EDI's INFO block lists each dipole length and its source, each calibration file and all the options.