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[aprssig] mobile antenna for D7?

Mark Earle wa2mct at mearle.com
Wed Mar 14 20:24:03 UTC 2007


Tyson S. wrote:
> One thing to keep in mind is that NMEA data entering a D7 from the cable will degrade your reciever. There are various web sites that explain how you are usually transmitting better than you think while mobile. But I use a regular dual band antenna on my truck with an adapter from SMA to BNC and it works pretty good.
> 


Huh? I'm not trying to pick a nit, but low speed serial data causes 
receiver degradation how?

What do you mean degradation? Reduced sensitivity? Reduced selectivity? 
Intermodulation distortion? Overload?






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