via PayPal to maintain this website and data archive at FHNW are always welcome.
link for new Callisto spectrometers from Whitham D. Reeve, Anchorage, Alaska
link for new Callisto spectrometers, LNA or DiSEqC from Christian
Monstein, Freienbach, Switzerland. You may also ask for used
instruments. Requests for quotation for Callisto instruments
to monstein(at)irsol.ch with subject = RFQ Callisto