TETRA/Airwave 450MHz mast antennas.
Part of the current Emergency Services network.
![](https://static.pedroc.co.uk/images/tetra/tetra_450mhz_mast.jpg)
Folded dipoles on the Charmouth transmitter
![](https://static.pedroc.co.uk/images/tetra/piddlethenthide.jpg)
Colinear dipoles on the Piddletrenthide transmitter.
![](https://static.pedroc.co.uk/images/tetra/dipoles.jpg)
Folded dipoles once again
![](https://static.pedroc.co.uk/images/tetra/panel.jpg)
A Tetra Panel, rather than the colinears and dipoles seen above.
![](https://static.pedroc.co.uk/images/tetra/dual_tetra.jpg)
Airwave panels using panels with two cables entering