Category: TV

  • Radio Wave Power And How It Gets Reduced By Distance

    Radio Wave Power And How It Gets Reduced By Distance

    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 out…

  • Keeping Birds Off TV Aerials

    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…

  • Terrestrial Freeview TV Aerial Direction

    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…