[aprssig] GPS patch antenna alternatives

Jason Winningham jdw at eng.uah.edu
Tue Nov 27 20:41:43 EST 2007

On Nov 27, 2007, at 7:27 PM, Scott Miller wrote:

> That's a little smaller than I need, and not easily connected  
> without a PCB.

yeah, but the PCB isn't terribly complex. :|

> For a transmitter, I'd just use a wire whip.  But I'm not sure what  
> the equivalent would be for GPS - is there any easy way to wind a  
> quadrifilar helix?

not sure about that one; maybe ye olde dipole?

somewhere I stumbled across a PDF describing one built from PCB  
material and a margarine tub for a radome.  ah, here we are:



More information about the aprssig mailing list