70 ohms is the treoriticaly impedance out in free space. In the real world, capacity to other things lower the actual impedance. 50 ohms is just an educated average guess. It can vary widly.
73 from Ed Richards K6UUZ Simi Valley, CA. Home of Air Force 1 pavallion On Thu, 5 Apr 2007 15:52:01 -0300 "Alan Beck" <[EMAIL PROTECTED]> writes: > Basic question > > > > Why is it that my radios are 50 ohms and the impedance at the feed > point at > the antenna (pure dipole) is 70 ohms. > > > > Am I mistooken > > > > Alan > > ______________________________________________________________ > AMRadio mailing list > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > To unsubscribe, send an email to [EMAIL PROTECTED] > with > the word unsubscribe in the message body. > > ______________________________________________________________ AMRadio mailing list List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
