RF surveys

[Rob Seastrom]

They're pretty deaf everywhere.  Impedance match, sure, but 0 dBi gain
on a really good day.

-r

Bill Danielson <anviljenkins at gmail.com> writes:

> I have an antenna that looks a lot like their 20mhz to 1300mhz discone
> antenna, and many other owners claim it is pretty "deaf" in the 2m
> segment of the spectrum.
>
> Bill
>
> On 01/03/2014 04:25 PM, James Wolf wrote:
>> There are a lot of amateur radio frequencies that they seem to be targeting.
>>
>> Jim, KR9U
>>
>> -----Original Message-----
>> From: tacos-bounces+jbwolf=comcast.net at amrad.org
>> [mailto:tacos-bounces+jbwolf=comcast.net at amrad.org] On Behalf Of Nan and
>> Sandy Sanders
>> Sent: Friday, January 03, 2014 3:42 PM
>> To: tacos at amrad.org
>> Subject: RF surveys
>>
>> 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-Surv
>> ey-30MHz-to-3GHz.pdf
>> is interesting. I wonder who was using the 420-450 band to test in.
>>
>>        Sandy
>>        WB5MMB
>>
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