[[Include(WikiToC)]]

== Spectrum visualization with Fosphor ==

=== Description ===

This tutorial illustrates use of [https://projects.osmocom.org/projects/sdr/wiki/Fosphor GNURadio block for spectrum visualization]. It also illustrates use of [https://mobaxterm.mobatek.net/ MobaXterm] and jumphost to for remote display.

=== Configure !MobaXterm for node access ===

[[Image(nodessh.png, width=300px)]]
[[Image(jumphost.png, width=300px)]]

=== Prepare the node ===

==== Run gr-fosphor ====
{{{
gnuradio-companion  /root/gr-ettus/examples/rfnoc/rfnoc_fosphor.grc
}}}

{{{
root@sdr2-s1-lg1:~# gnuradio-companion  /root/gr-ettus/examples/rfnoc/rfnoc_fosphor.grc
<<< Welcome to GNU Radio Companion 3.7.13.5 >>>

Block paths:
        /usr/local/share/gnuradio/grc/blocks

Loading: "/root/gr-ettus/examples/rfnoc/rfnoc_fosphor.grc"
>>> Done

}}}
[[Image(gr-fosphor.png, width=800px)]]
[[Image(display.png)]]