Is it worth driving from Thousand Oaks to Altadena for Snowcones (qty 5) tomorrow ?
--- On Fri, 6/8/12, Jim Lux <[email protected]> wrote: From: Jim Lux <[email protected]> Subject: Re: [time-nuts] Procom GPS4 quadrifilar antenna... To: [email protected] Date: Friday, June 8, 2012, 6:23 AM On 6/8/12 5:20 AM, Michael Baker wrote: > Time-nutters-- > > The Procom website lists the noise-figure of their quadrifilar > LNA as: > > GAIN > 30 dB > NOISE FIGURE < 3 dB (incl. input filter). > Typ. approx. 3 dB > ------------------------------------------------------------ > > I am a little surprised at this relatively high NF for a > product in this price category. Even most low-end > mass-produced consumer grade GPS antennas are > spec'd at 1.5 to 2.0 dB NF. > One thing to check on NF specs is the temperature range over which they are valid. A "consumer" spec might be "at room temperature only", a more rigorous spec might be "at -20 to +50C". _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
