Oh I know. Our tower manager at Black Mt. goes semi-ballistic when he
sees anything on the tower that is not HDG or stainless or
silicon-bronze. Then tells the story of rusting bolts/nuts/washers
turning into diodes in the presence of higher-power RF. I don't know
how high the power needs to get, but we have seen some interesting
side-effects on unshielded cable and other unshielded components.
bp
<part15sbs{at}gmail{dot}com>
On 2/23/2015 4:04 PM, Jaime Solorza wrote:
Noise can come from most unexpected places. CQ rag had a story on
spark plug caused noise on motorcycle knocking out a satellite system
on bank building. Chucks advise is good
And that would be my first step
Jaime Solorza
On Feb 23, 2015 3:08 PM, "Peter Kranz" <[email protected]
<mailto:[email protected]>> wrote:
Had an AT&T contractor show up at one of our datacenter sites
today and claim that one of our radio systems was emitting a
carrier at 711Mhz and he pointed at where we have a Dragonwave
Compact 18Ghz system and Redline AN-80i 5Ghz system mounted on the
building.
711Mhz doesn’t sound like an IF of either of these systems to me,
but I’ve got tickets in with the equipment manuf. It looks like
they are some 3^rd party AT&T has sweeping buildings downtown.
Anyone dealt with these guys before? He told me he measured a -87
with his directional antenna 10 feet away from the equipment and
acted like that was a really big deal, sounds like a pretty low
level to me honestly. Anyone know what the legal limits for
spurious emissions are in the 700-800Mhz band?
*Peter Kranz
*Founder/CEO - Unwired Ltd
www.UnwiredLtd.com <http://www.unwiredltd.com/>
Desk: 510-868-1614 x100 <tel:510-868-1614%20x100>
Mobile: 510-207-0000 <tel:510-207-0000>
[email protected] <mailto:[email protected]>
