V-Dipole Antenna Kit for Weather Satellites | 137MHz V-Dipole | NOAA Satellite Antennas for SDR

This is a Horizontal V-diploe for 137MHz Weather Satellites. The original idea comes from Adam 9A4QV. You could find the detailed principle here in dropbox.
The antenna here is made of 2 telescopic whips and 1 PCB, and the assembly is very easy, just put the 2 antennas onto the PCB and hold them with cable ties.
Other information could be found: rtlsdr.com