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- Xref: sparky sci.space:19182 sci.astro:13876 alt.sci.planetary:513
- Path: sparky!uunet!elroy.jpl.nasa.gov!kelvin.jpl.nasa.gov!baalke
- From: baalke@kelvin.jpl.nasa.gov (Ron Baalke)
- Newsgroups: sci.space,sci.astro,alt.sci.planetary
- Subject: Re: Mars Observer Update - 01/08/93
- Date: 12 Jan 1993 06:45 UT
- Organization: Jet Propulsion Laboratory
- Lines: 22
- Distribution: world
- Message-ID: <12JAN199306452997@kelvin.jpl.nasa.gov>
- References: <9JAN199300533179@kelvin.jpl.nasa.gov> <1993Jan9.032104.10679@ee.ubc.ca> <C0o43w.J4L@well.sf.ca.us>
- NNTP-Posting-Host: kelvin.jpl.nasa.gov
- Keywords: Mars Observer, JPL
- News-Software: VAX/VMS VNEWS 1.41
-
- In article <C0o43w.J4L@well.sf.ca.us>, collins@well.sf.ca.us (Steve Collins) writes...
- >
- >KaBLE is an engineering experiment to evaluate using Ka band to communicate
- >to deep space spacecraft. It can potentially support much higher data rates
- >than the X-band we currently use on MO. I don't know much about the details,
- >but the transponder on MO can receive and return the signal under the
- >right circumstances. There is a short window where we are on the High gain
- >antenna but are close enough to have the link-margin to do the experiment.
-
- Because of the higher data rates that can be provided with Ka band, it
- will be used in future deep space missions such as Cassini. Mars Observer
- simulates Ka band by multiplying its X-band frequency by a factor of 4.
- Currently, there is only one antenna in the Deep Space Network that can receive
- Ka band, DSS-13 in Goldstone. The signal is received at DSS-13 and then
- relayed to DSS-14 for analysis.
- ___ _____ ___
- /_ /| /____/ \ /_ /| Ron Baalke | baalke@kelvin.jpl.nasa.gov
- | | | | __ \ /| | | | Jet Propulsion Lab |
- ___| | | | |__) |/ | | |__ M/S 525-3684 Telos | Choose a job you love, and
- /___| | | | ___/ | |/__ /| Pasadena, CA 91109 | you'll never have to work
- |_____|/ |_|/ |_____|/ | a day in your life.
-
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