At 09:28 PM 12/16/2009, Charles P. Steinmetz wrote...
it's not the LNA that does the serious work, but rather the physical antenna...I have RF design experience, based on which I wouldn't put any faith in noise figure specs from any but the most reputable suppliers. I assume Trimble is one such, and I know that Andrew (the apparent OEM supplier to Lucent) is.
I use an Andrew GPS-QBW-26N. 4.5 db quadrifilar antenna, 26 +-3 db LNA, 2.5 db noise. Works well.
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