Has anyone considered the possibility of applying for an experimental license for such an experiment? AA1VS
On Sat, Dec 11, 2010 at 9:13 PM, John Magliacane <[email protected]> wrote: > --- On Sat, 12/11/10, Bob Bruninga <[email protected]> wrote: > >> Is 137 KHz possible from space? > > Bob, > > My understanding is that LF and VLF emissions of terrestrial origin don't get > beyond the 'D' layer, even at night. In fact, the 'D' layer acts as a > reflector, rather than an attenuator at these frequencies. Cosmic background > radiation maintains sufficient 'D' layer ionization at night. > > However, your post reminded me of project INSPIRE, which was a plan to > transmit VLF signals from the Space Shuttle back in 1992 using a pulsed > electron gun in the payload bay. Details on project INSPIRE can be found > here: > > http://theinspireproject.org/index.php?page=faq > > I'm not sure how this would penetrate the ionosphere except through brute > force. > > Nevertheless, compatible receivers are simple to build and readily available. > > > 73, de John, KD2BD > > -- > Visit John on the Web at: > > http://kd2bd.ham.org/ > > > > > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
