Adding E F F E C T I V E ground rods ain't just hammering in another piece of copper.
These links are worth reading.
Earth Ground Measurements
https://www.polyphaser.com/News/DownloadFile?downloadGuid=c68ebee3-baa1-470e-b61c-ac0bc2f97eba
Ground Impedance
https://www.polyphaser.com/News/DownloadFile?downloadGuid=3c633c3a-8c65-4585-8226-48edf2813252
Ground Rod Theory Installation
https://www.polyphaser.com/News/DownloadFile?downloadGuid=25400030-29fb-4981-862f-c24c4118b556
AC Surge Protection
https://www.polyphaser.com/News/DownloadFile?downloadGuid=c7d58ebd-2dfc-454b-bb08-4641bad5955b
These links are worth reading.
Earth Ground Measurements
https://www.polyphaser.com/News/DownloadFile?downloadGuid=c68ebee3-baa1-470e-b61c-ac0bc2f97eba
Ground Impedance
https://www.polyphaser.com/News/DownloadFile?downloadGuid=3c633c3a-8c65-4585-8226-48edf2813252
Ground Rod Theory Installation
https://www.polyphaser.com/News/DownloadFile?downloadGuid=25400030-29fb-4981-862f-c24c4118b556
AC Surge Protection
https://www.polyphaser.com/News/DownloadFile?downloadGuid=c7d58ebd-2dfc-454b-bb08-4641bad5955b