Hi

If you look at the FCC transmitter regs, -60 dbc is “ok” for many transmitters. 

Bob

> On Jan 17, 2017, at 9:40 PM, Rhys D <heyr...@gmail.com> wrote:
> 
> Hi all,
> 
> Before I start, let me say I'm rather a newbie at this sort of stuff so
> please be gentle.
> 
> I was looking at the output of my Trimble Thunderbolt GPSDO and was rather
> surprised to see really "loud" harmonics in there. ~ 60dB down from the
> 10Mhz signal.
> 
> Can anyone here shed some light on what I am seeing here?
> Surely this isn't what it is supposed to look like? Should I be trying to
> filter these before going to my distribution amplifier?
> 
> Thanks for any light you can shed.
> 
> R
> 
> 
> ​
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