RF surveys

[Nan and Sandy Sanders]

Found these reports while looking for some VLF info. A large number 
are in the DC area.
http://www.sharedspectrum.com/papers/spectrum-reports/



Fig 20 of Appendix A  of 
http://www.sharedspectrum.com/wp-content/uploads/2010_0923-General-Band-Survey-30MHz-to-3GHz.pdf 
is interesting. I wonder who was using the 420-450 band to test in.

      Sandy
      WB5MMB