Subject list : Sample channel allocation table (for Crystal Palace = London area) Blank channel allocation table Sheffield Historic pre DSO channel allocation table (analogue + digital) The frequencies given are for (most) digital MUXES, for analogue channels deduct 3MHz. … Read More

Subject  list : – The Problem (RF modulated signals are useful) – How modulators work – Selecting an RF modulated channel -How to set up an RF modulator The Problem You’re at home in the living room, watching England getting … Read More

  Subject list : Diplexers including : – Combining TV and FM / DAB – Combining TV and satellite – Combining modulated RF (e.g. CCTV) – Combining signals from 2 TV aerials : – – From 2 different transmitters – … Read More

Subject list : Aerial splitters : basics Splitter or amplifier ? Splitter losses Impedance matched system Power pass (for a mast head amp) “Head End Amplifiers” Internal splitters External splitters Typical uses of splitters More than one TV aerial on … Read More

Subject list : – Do you really need guy / stay wires? – How many stay wire levels do you need? – Three or four hook collar ? – The awkward “off the wall” stay wire… – The stay wire … Read More

Also see Brackets and galvanising on test Subject list : – Background to the tests  incl : – – Definition of pole failure – Straight poles test results – Cranked poles test results – Mast test stress data – How … Read More

Subject list : – Why use a longer pole ? – Tests of aerial reception with longer poles – How do I install an aerial on a long pole ? – Sleeving a 1.5″ pole into a scaffold pole, also … Read More

All about poles and masts for the installation of aerials, CCTV, weather stations, RF data links etc etc Subject list :

Also see FM/DAB aerials Subject list : ATV’s tests of FM & DAB aerials incl: –  Table of test results ATV’s choice of FM & DAB aerials : – FM Half Wave dipole – FM folded dipole – FM 3 … Read More

All about FM and DAB aerials and how to get the best signal. Also see : Basic aerial facts Subject list : FM v DAB including including : FM switch off, or not……