Fw: [Antennas] Grounding needs**** some references

[LA7SL Nils P. Pedersen]

IEC 1024-1Protection of structures against lightning.
Part 1: General principles, 1990
IEC 1024-1-1Protection of structures against lightning.(Guide A)
 Selection of protection levels for lightning protection system, 1993
IEC 1024-1-2Protection of structures against lightning. ( Guide B)
 Design, construction, maintenance and installation of lightning protection 
system, 1998

IEC 61312-1Protection against lightning, Electro Magnetic Pulse (LEMP)
Part 1: General principles, 1995
IEC 61312-2Protection against lightning, Electro Magnetic Pulse (LEMP)
Part 2: Shielding of structures, bonding inside structures and earthing, 
1999
IEC 61312-3Protection against lightning, Electro Magnetic Pulse (LEMP)
Part 3: Requirements of surge protective devices (SPDs), 2000
IEC 61312-4Protection against lightning, Electro Magnetic Pulse (LEMP)
Part 4: Protection of equipment in existing structures, 1998
IEC 61662Technical report "Assessment of risk of damage due to lightning", 
1994
IEC 61662Technical report "Assessment of risk of damage due to lightning", 
Amd. 1, 1996
IEC 61663-1Lightning protection Telecommunication lines
Part 1: Fibre optic installations, 1999