Below is a link to important information about why and how coaxial cables produce e-m radiation into space.
Earlier today I posted a reply to this thread, then made a small edit to it after it posted. I got a message saying that I already posted this, and i...
John M. -- I did not attempt to model the system you (apparently) are thinking of installing. In fact, your description of it didn't appear here unti...
What does matter is whether or not an FCC equipment certification overrides an FCC Rule applicable to that equipment.
Below are two graphics from NEC4.2 to help understand and compare the performance of two AM transmit system configurations, for the ~similar operating...
RE: I’m sure that the NEC software is for those garbage Emerson or Sound design Radios ... NEC software analyzes the e-m fields radiated/received by...
RE: "... the internal tuner is switched out of the circuit when the external (final stage of the transmitter) is employed. ..." And that is the confi...
For thought and discussion, below is a NEC4.2 analysis of the AM transmit system described there. The remote ATU is located at the upper end of the 2...
ArtisanRadio wrote: My comments were directed towards those who claim to know the precise meaning of the FCC rules (most especially 15.219), when the...
ArtisanRadio wrote: "The FCC has (almost) always based their decisions on reasons other than physical principles." The early technical decisions for ...
Personal observations/opinions ... ... about Broadcast Stations: The early commercial radio stations served and grew their listener base by broadc...
Below is a link to a recent post on this topic that may be of interest here:
R.Powers & I have talked strictly and only about elevated ground-leads at a serviceable level to establish security and reachability by the operat...
Actually, the topic of elevated Part 15 AM antennas was first introduced in this thread by Rich Powers End80, with a post from which the clip below wa...
It would be best for those interested in such "Part 15 AM" installations to ask the FCC for comments about them.