[amsat-bb] AO-92 L Band Power

73 Bob W7LRD w7lrd at comcast.net
Thu Jul 9 02:16:50 UTC 2020


Alan- IC-910 10W through 70 feet of LMR600 24 el looper.  Works great.
73 Bob W7LRD
> On 07/08/2020 2:51 PM Alan Blind via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
>  
> Using 10 Watts, I have not been able to get into AO-92 L Band.
> 
> From the AO-92 web site:
> 
> ================
> 
> ......Since the 435 MHz uplink antenna is used to receive the 1267 MHz
> signals and may present a mismatch at that frequency, pre-launch estimates
> suggest that a power level of 100 watts ERP will be required for
> horizon-to-horizon access in Mode L/v. AMSAT Engineering will issue further
> guidance after in-orbit testing. Look for future articles on the AMSAT
> website and in The AMSAT Journal for equipment ideas and tutorials for
> accessing the L-band uplink.
> ====================
> 
> Perhaps my 10 Watts are too low.  Have there been updates from AMSAT on
> recommended L band power?  What power do others run?
> 
> Alan
> WA9WUD
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