Useful sites

Real time propagation info.

http://www.idahoares.info/current_propagation.shtml

Simple high gain 2m/70cm colinear antenna.

http://www.m0zpk.co.uk/2m-144mhz-70cm-430-mhz-coax-collinear/

Coming GEO satellite

https://amsat-uk.org/satellites/geosynchronous/eshail-2/

Load of info about practical antennae

http://www.pg1n.nl/articles.php?lng=en&pg=367