gold 1548 97.5 kW
LBC 1152 23.5 kW

from Ofcom transmission parameters Gold1548 had
a 'figure-8' polar antenna-pattern \ beam 160deg

mast 1 mast 2 mast 4 \\ [reserve]
((30kW)) (7.5) ((((60kW))))

LBC M1 'null' M2}7.5kW M3} 4kW M4} 12kW

1152 Bell shaped pattern with 40deg Narrow-beam
180| 160\ \140



since the radiated r.f. power needs to be distributed in proportion, calculated 20kW from the sloping ladder

txmb21 Saffron Green



These rectangular devices are there to monitor
the phase and current at each of the two frequencies being sent to each monopole.
The stability of these is essential to
maintaining the directivity of the array.