Hi Mike. What frequency is the antenna or radio for? I wrist rocket with a spool of fishing line and a led weight would propel it up far enough for a good HF antenna. Or a fishing pole. Just a thought. Dave Booth KC6WFS SW6079@....... wrote: > > While this is not strictly about seismology and I apologize, I thought one of > the group might be able to help me out with a problem. Later this summer I > will be hiking deep into Glacier Nat. Forest (WA) and I will need to suspend > a communications antenna from a balloon. I just don't savor the idea of > lugging a 40 cu ft Helium or Hydrogen tank 20 mi. I'd hire a heliocopter if > I had the bucks, but I don't. I seem to remember that some compound when > simply mixed w/ H20 would produce huge amounts of hydrogen gas. I am aware > of other methods, but they're too risky (acid and alkalis, etc.) I have > looked everywhere I can think of and come up dry. Anyone have an idea?? > Thank You. Mike. > __________________________________________________________ > > Public Seismic Network Mailing List (PSN-L) > > To leave this list email PSN-L-REQUEST@.............. with > the body of the message (first line only): unsubscribe > See http://www.seismicnet.com/maillist.html for more information. __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>