[amsat-bb] Re: Sats after dark

2010-11-19 Thread Chris Bloy
the change to use it as I didn’t have the equipment available at the time! Take care, Chris -Original Message- From: Mark L. Hammond [mailto:marklhamm...@gmail.com] Sent: 19 November 2010 15:18 To: Chris Bloy Cc: amsat-bb@amsat.org Subject: Re: [amsat-bb] Re: Sats after dark Hi Chris

[amsat-bb] Re: Sats after dark

2010-11-19 Thread Mark L. Hammond
ng things or was this a true and has > any progress been made on this? > > Thanks, > Chris > > -Original Message- > From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On > Behalf Of Mark L. Hammond > Sent: 19 November 2010 13:55 > To: Dominic Hawken &

[amsat-bb] Re: Sats after dark

2010-11-19 Thread Chris Bloy
...@amsat.org] On Behalf Of Mark L. Hammond Sent: 19 November 2010 13:55 To: Dominic Hawken Cc: amsat-bb@amsat.org Subject: [amsat-bb] Re: Sats after dark Hi Dominic, It's a great question! If the satellite has batteries that can keep the communications payload ON, the satellite can continue to su

[amsat-bb] Re: Sats after dark

2010-11-19 Thread Alan P. Biddle
Dominic, Welcome! Actually, most satellites start out operating continuously. They run on batteries when they are in the dark. Normally the batteries over time lose capacity. Then, various techniques are implemented to conserve power so that they can continue to operate when in darkness. Rece

[amsat-bb] Re: Sats after dark

2010-11-19 Thread Mark L. Hammond
Hi Dominic, It's a great question! If the satellite has batteries that can keep the communications payload ON, the satellite can continue to support communications during an eclipse (what we call the time spent in darkness). Some satellites do not have batteries, so they will support communicati