[amsat-bb] Re: RF, another alternate energy technology (hogwash)

2013-11-08 Thread Simone
out, even in the case such a scenario would work, people living inside would have no radio and no cellphone working! 73 Simone - IU1AFY/F4VPY 2013/11/8 Robert Bruninga > A fellow came to me convinced that capturing RF energy from cell phones, > and radio and TV waves was free energ

[amsat-bb] Re: Help wanted on CP antenna design

2013-07-17 Thread Simone
the dimensions to build them... Best 73 Simone - IU1AFY/F4VPY 2013/7/17 i8cvs > Hi Zilvinas, LY2SS > > I agree completely with you because the QFH was used for > the beacon of OSCAR-7 at 2304 MHz and in addition to be > endfire radiation or bakfire radiation it do not requir

[amsat-bb] Re: Help wanted on CP antenna design

2013-07-17 Thread Simone
I must have screwed up with units somewhere... Simone - IU1AFY/F4VPY 2013/7/17 Zilvinas, LY2SS > > On 2013.07.17 10:11, Simone wrote: > >> Hi Phil, >> >> QFH is effectively circularly polarized, it is often used for GPS >> receivers, since when you point

[amsat-bb] Re: Help wanted on CP antenna design

2013-07-17 Thread Simone
r the cross-polarization performances, but IMHO, this is the best complexity-performance compromise. 73s Simone - IU1AFY (ex. IW1FYV) 2013/7/17 Phil Karn > I'm one of several adult mentors to a local high school ham club that's > been designing and flying balloons. We are design

[amsat-bb] Re: 2.4GHz broadband router on satellite?

2013-02-22 Thread Simone
topic will jump into the discussion. Simone IW1FYV 2013/2/22 Greg D > Lee Maisel wrote: > >> James French wrote: >> >>> What are the possibilities of building a satellite that uses a Linksys >>> WRT54GL router with a modified DD-wrt or HSMM-Mesh software as a

[amsat-bb] Re: GAAS FET Preamp Component Question

2012-02-27 Thread Simone
pply. For this purpose, you can use any ferrite bead that has an equivament impedance in the range of the kOhms in the band of interest. As an alternative, you can use a big inductance, that should do the trick. Cheers Simone - IW1FYV Il giorno 27 febbraio 2012 03:41, Eugene Crist ha scritto: &g

[amsat-bb] FT780R Power Supply Connector

2012-01-02 Thread Simone T
connector? Thanks in advance. Simone - IW1FYV -- Join the campaign at http://thinkbeforeprinting.org/ ___ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program

[amsat-bb] (no subject)

2010-06-07 Thread Simone T
http://scipion.chez.com/default.php ___ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb