Helpful Colin

Radio Wave Power And How It Gets Reduced By Distance

Introduction Some people are very concerned that radio wave power coming from radio transmitters’ antennas will harm people. In particular people are troubled by mobile phone masts causing long term health problems when they are near to their homes. I just want to make it clear how much a transmitter’s power diminishes as it spreads… Continue reading Radio Wave Power And How It Gets Reduced By Distance

Keeping Birds Off TV Aerials

Introduction In my previous post “Freeview Aerial Direction” you may have noticed something unusual about my Yagi TV antenna/aerial. Yes, amongst the array of directors in front of the dipole and on the reflector at the back there are some Zip Ties (Cable Ties – often used for anchoring a cable to something else). In this… Continue reading Keeping Birds Off TV Aerials

Terrestrial Freeview TV Aerial Direction

Introduction In November 2012 I had my terrestrial TV aerial relocated to another corner of my chimney stack so that it doesn’t overhang my solar panels. Birds were perching on it and making a mess on them. Consequently I needed to check my TV aerial direction to be sure it points to the transmitter. The aerial engineer (Martin… Continue reading Terrestrial Freeview TV Aerial Direction