Hi Small antennas (all antennas at 100 KHz are small) are not a matter of wavelengths of wire in the air. They are a matter of making do with what you have. Efficiency is more a matter of coil loss (or equivalent) than of antenna size.
Bob On Jul 28, 2013, at 5:12 PM, Bob Stewart <[email protected]> wrote: > So, given the size of a typical freighter these days, what's so hard about > imagining one with enough wire in the air to make that happen for whatever > political or commercial reason? > > Bob > > > > > >> ________________________________ >> From: Bob Camp <[email protected]> >> To: Discussion of precise time and frequency measurement >> <[email protected]> >> Sent: Sunday, July 28, 2013 4:05 PM >> Subject: Re: [time-nuts] GPS Spoofing >> >> >> Hi >> >> So in this case we're talking about "horrible" to "even more horrible" in >> terms of efficiency. I'll freely grant that a 600' tower over a really good >> ground plane (like say the sea) is going to be way more efficient than >> anything I'd come up with. The same thing would apply to a matching network >> made of coils you can stand up inside compared to anything I'd make. >> >> Totally off topic - In the lobby of Continental Electronics they used to >> have this typical transmitter sitting there. You sort of wondered "why". >> After looking at it you figured out the little ant down in the bottom was a >> person. Yes, the coils and "stuff" in Omega transmitters were *big*. >> >> Bob >> >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
