David, you might want to take a look at the article on this at arpoc.org. the article is on the front page.
On Mon, 10 Aug 2015 12:48 Erlend Grimseid <[email protected]> wrote: > +1 on the lifepo4. 4 in series gives an adequate voltage for most portable > ham radios. From just under 14v, til they emtpty at about 8v. Get or build > a pack with protection circuit as over charging an discharging ruins them > pretty quickly. Tons of info on the web. Just google it. > > As for antennas. Look at sotabeams, he i uk based and have a great > selection of portable wire antennas and the stuff you need if you want to > build your own. Lighter, cheaper and more efficient than the buddipole. > Take a look at an linked dipole for the bands you plan on using. > > Good luck on you sota activation's. Hope to catch you on an s2s soon. > > 73 > > LA4TTA > Erlend > > 2015-08-10 13:17 GMT+02:00 Rick M0LEP <[email protected]>: > > > On Mon 10 Aug David Bondy G4NRT wrote: > > > Should I be looking at LiFePO4 batteries or Sealed Lead-Acid > > > batteries? > > > > You'll find quite a bit of discussion of batteries on the SOTA > > reflector, but apart from the cost, I can't see any obvious advantages > > of using SLABs any more. > > > > Choose an appropriate LiFePo and you'll have a battery delivering more > > power at a more useful voltage with rather less weight in your pack... > > > > Things get a bit more involved if you intend flying to foreign parts. > > Again, lots of advice on the SOTA reflector. > > > > -- > > 73, Rick, M0LEP (KX3 #3281) > > > > ______________________________________________________________ > > 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]
