[[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 MobaXterm and jumphost to for remote display.

=== Configure MobaXterm for node access ===

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

==== Run GNURadio Companion ====

{{{
root@sdr2-s1-lg1:~# gnuradio-companion
<<< 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_network_usrp.grc"
>>> Done

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

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

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

}}}
[[Image(gr-fosphor.png, width=500px)]]
[[Image(display.png)]]