Mark wrote: Seems logical that if you want to protect something don’t have it connected to earth to make it easy for lightning to hit it, in this case...
ArtisanRadio wrote: The safest and most legal way to run a transmitter...is to install it at Earth level, using a short ground lead to one or more bur...
The title of FCC §15.231 seems appealing, but reading further into its following text brings disappointment (see below):
Below is a calculation of the performance of a "typical" Part 15 AM transmit system, from a spreadsheet using the appropriate equations appearing in a...
Clearly Neil has taken the time to design, install, and optimize his transmit antenna system in order to achieve that 15-16 kHz audio frequency respon...
A "heads up" observation: historically the FCC has inspected the installed transmit systems of the operators of AM and FM transmitter and antenna har...
Observation: it doesn't include a receive antenna with a known pattern/gain across its operating range. Therefore it can't accurately measure the ab...
From Boomer's post above: "The _nighttime signal_ can reach as far west as Minneapolis and Winnipeg, and as far south as New Orleans." This sentence...
RE: "Do you know that AM 740 (zoomer radio) from Toronto has the most coverage of any station in North America, not only covering all of Ontario from...
RE: ... tell us if a FI increase equals a linear increase in expected range ... It does, for propagation environments having equal characteristics ...
Sorry, but No, that table doesn't convert the values of dBµ shown on the display of some Ultralight receivers to the field intensity arriving at the a...
RE: Not sure if everyone has seen the distance chart that Ramsey use to post if you used the 250uv@3meters. ... I hope this will help out with dista...
With a perfect impedance match between the coax and the load at its far end, the current flowing on the OD of the inner conductor is equal to the curr...
Below is a graphic showing how r-f current can flow on the outer surface of the outer conductor of a coaxial cable. This occurs even when the termina...