Satellite Antennas Hints and Kinks of help with the most important part of an amateur radio satellite station, the antenna systems. Low Cost Satellite Antennas.
One of my favorite things to do is talk with other ham radio operators through the orbit of a satellite or the ISS with my homemade yagi antenna.
It is claimed that your circular polarization pattern is better if the coax is not attached along the boom but instead hangs from the boom's rear end and loops forward to the main mast.
Stiff 9913 does not wear well where it must flex a lot, like where your coax leaves your boom up to your fixed attachment point on your mast or tower.
Active FM Amateur Radio Satellites (EasySats) I have heard stations working this satellite with an extended rubber duck antenna. If you don't.