Hoddesdon: Subnet Loft
Hoddesdon: Nismo Omni
Roydon: The Rooks Nest
Hertford: Hertford
Harpenden: HPND
Caterham: CATM Caterham Yagi
Harlow: M0TEC Yagi N
Shenley: AxelF Water Tower Base
Bishops Stortford: West Yagi [2.5.1]
Hemel: Ether OMNI