The following email exchange was between Dane Ericksen of consulting engineers Hammett & Edison in San Francisco and Radio World contributor Mark Persons, shared with permission.
Mark, I just read your excellent “
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Dane Ericksen and Mark Persons discuss a relevant rule
The following email exchange was between Dane Ericksen of consulting engineers Hammett & Edison in San Francisco and Radio World contributor Mark Persons, shared with permission.
Mark, I just read your excellent “