We've captured some interesting operating situations. We compare two renderings of the P49X expedition operating on three channels simultaneously. d3 
3js
Over the years this has been an award-winning site for many major radio contests. details
The Aruba station has been in operation since 1991. After over a decade of expansion and upgrades, it now encompasses all bands from 10 m to 160 m. Over the years, the station has won numerous contests and set many records.
We're now working in inches with the large mat to scale located in view. We place the origin at the new end of history with the band spread left and right on either side.
Aging data moves toward -z, Operating frequency increases toward -x, Up in the view is +y. expand
todo
Use mouse and touch gestures to position camera in emulation of inquisitive table top viewer. examples
Primitives. Try TubeBufferGeometry for arcs. example