The May edition of HackSpace magazine, issue 18, featuring articles by radio amateur Jo Hinchliffe MW6CYK is available as a free PDF.
On pages 34-47 is his special feature on Space, which explains how you can build a SatNOGS satellite ground station to receive amateur radio satellites.
Jo’s article Make a Slim Jim Antenna appears on pages 110-111.
Also in the magazine, on pages 96-99, Ben Everard explains how to build an ISS count‑down timer.
You can download the free HackSpace magazine PDF from
https://hackspace.raspberrypi.org/issues/18
Direct link to the PDF
https://magazines-static.raspberrypi.org/issues/full_pdfs/000/000/072/original/HackSpaceMag18.pdf
Jo Hinchliffe MW6CYK
https://twitter.com/concreted0g
https://concretedog.blogspot.com/
SatNOGS satellite ground station article in HackSpace magazine
Source: Amsat UK