CM 2 element yagi for 70 MHz portable operating CM 12mm round elements insulated from the boom except for the mounting bolt CM 5m above ground over poor earth CM Chris Moulding G4HYG Cross Country Wireless CM CE SY spacing1=0.294586 'Space DE to D1 SY radlen=2.085885 'Radiator length SY dirlen=1.960166 'Director 1 length SY height=5 'Antenna height GW 2 21 0 -radlen/2 height 0 radlen/2 height 0.012 GW 3 21 spacing1 -dirlen/2 height spacing1 dirlen/2 height 0.012 GE 1 GN 2 0 0 0 5 0.001 EK EX 0 2 11 0 1 0 0 FR 0 5 0 0 70.2 0.2 EN