It is still done. I have seen them in use. http://www.telecomsys.com/products/deployable-coms/wireless-wideband-terrestrial/tropo.
Modern troop scatter. The modem is not very dissimilar from the same manufacturer's SCPC vsat modemodem Something like half of the data is FEC, a typical like is like... QPSK 1/2 with viterbi or TPC coding. > On September 28, 2015 at 11:51 AM David <[email protected]> wrote: > > > Ok, > Dad and I were having a discussion today about some historical > microwave communications and my experience with the old tropos system > the army had. Here is a link to what we were talking about :) > http://www.radartutorial.eu/08.transmitters/Traveling%20Wave%20Tube.en.html > > > --
