Derek OK9SGC

Welcome to my site. Here you will find a random assortment of information and topics related to amateur radio, with a heavy focus on amateur satellite reception. To see more of my content or to contact me, check out my social media links below;

Mastodon - YouTube - GitHub - Thingiverse - Twitter

If you would like to support me and what I do, consider visiting my Ko-fi page. Anything helps. Special thanks to;

microp11 - thebaldgeek - Xerbo - Whatwhatphysics - yakko warner - BackHive - Carl Reinemann - hmdsamarasekara - Nautiluscl - Martin HB9FXX - KentuckyFriedData - Pablo de la Fuente

Helical antenna calculator
Asymmetric turnstile antenna

Blog articles and videos

[Video] DRO Ku-band LNB test and teardown
[Video] $4 PLL Ku-band LNB test and teardown
[Video] Connecting a Ku-band LNB to an SDR
[Video] How a dish antenna works
[Video] The V-dipole antenna
All you need to know about the upcoming NOAA-21 satellite
[Video] Decoding high-quality images from Meteor-M LRPT
Artemis I mission radio frequency allocations
[Video] How to decode and understand NOAA APT
CGMS 50 weather satellite status summary
How to receive and decode KG-STV image transmissions
Beginner's guide to HRPT reception
Hard-wiring an LNB to use the high band 10.6 GHz oscillator
Receiving Starlink satellite beacons on a budget
NOAA-2 returning from the dead