Engineer Bill Bathgate testified to the Iowa Utility Board on December 5, 2018. His testimony is on video #6 and starts at 1:43:40

He makes reference to these exhibits:

Exhibit 51
Exhibit 215
Exhibit 216

From Fairfield Safe Meters:

Iowa Utility Board Hearing Videos:

Fairfield challenges Alliant Energy (IPL).

Fairfield took on Alliant Energy (IPL is the parent company) November 5 and 6, and December 5, 2018. These videos give a very interesting inside look at Alliant’s plans for the smart meter rollout and why we are fighting so hard to stop it. There are many riveting cross examinations by Fairfield’s lawyers. Click here to watch