Has there been a day this year that this topic wasn't discussed? Someone please bury this dead horse.
Or start a new reflector on EFHW antennas. PLEASE! Sent from my iPhone ...nr4c. bill > On Feb 12, 2017, at 11:55 PM, Ron D'Eau Claire <[email protected]> wrote: > > That's correct Jim. I meant close to 90 degrees (1/4 wavelength). Some of > the "big guns" do have 1/2 wave tall antennas, but most are near 1/4 wave > tall. > > Tnx for catching that. > > 73, Ron AC7AC > > -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of Jim > Brown > Sent: Sunday, February 12, 2017 5:31 PM > To: [email protected] > Subject: Re: [Elecraft] EFHW > > Not true, Ron. Most AM broadcast transmitting antennas are in the range of > 80-90 electrical degrees (a quarter wave). Nearly all of the Class I clear > channel stations use antennas that are at least 180 electrical degrees. You > can see this data for any US station at > > https://www.fcc.gov/media/radio/am-query > > WLW's tower is 189.3 degrees. So is WLS. WGN is 195 degrees. WBZ uses an > array of four towers that are 188.5 degrees. WIND on 560 kHz near Chicago, > has an array of four 100 degree towers. The station where I worked in my > home town has an array of four 82 degree towers. And so on. > > 73, Jim K9YC > >> On Sun,2/12/2017 9:13 AM, Ron D'Eau Claire wrote: >> Most BCB (0.5 to 1.6 MHz) antennas are 1/8 wavelength high (or less) which > necessitates an extensive ground system. > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Message > delivered to [email protected] > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
