User's Manual

source: Larus Corp, “T1 Repeatered Line Transmission Engineering”, Issue 2,
1996.
Figure 10-11: Lightning strikes in the USA.
Although the frequency of lightning strikes varies across the USA, the same
lightning protection is used everywhere. The difference is that some carriers in
the regions with the most lightning schedule preventive maintenance to replace
protectors annually at the most exposed locations.
ARCXtend manual, August 2003 10-12