[amsat-bb] Alpha Spid Big-RAS AZ & EL Rotator

2013-07-31 Thread Sion Chow Q. C. (9W2QC)
Dear All, I understand that the Alpha Spid Big-RAS AZ & EL Rotator requires 4 control cables each for it Azimuth and Elevation control. However, I am not able to find out if the connector on the outdoor rotator end consist of 2 separate connectors for the AZ and EL motor (like the Yaesu G

[amsat-bb] Re: Alpha Spid Big-RAS AZ & EL Rotator

2013-07-31 Thread Stefan Wagener
Hi Sion, Look at the images at: http://www.rfhamdesign.com/products/antennerotor/bigrashr/index.html there is one picture with the terminal box open on the rotor. Also, the rotors are now available with a high resolution option (0.1 degree). If you get a new one, might as well do that. We are pla

[amsat-bb] AO7 mode switch

2013-07-31 Thread K4FEG
Hello Satellite People; it is my opinion that we are quickly approaching the end of the Eclipse Cycle for AO7 this season. I had previously estimated the "final" eclipse to be on August the 2nd between 0200 and 0300 UTC but upon closer check with fresh Kep's it looks like the eclipse duration

[amsat-bb] Re: AO7 mode switch

2013-07-31 Thread Paul Stoetzer
I know there was some question as to why the satellite comes up in Mode B nearly all of the time after coming out of eclipse. The "AMSAT-OSCAR 7 Technical Operator's Plan And Experimenter's Guide" found starting on page 75 of this PDF ( http://ka9q.net/AMSAT-Newsletter-1974.pdf) says that the cloc

[amsat-bb] Re: Alpha Spid Big-RAS AZ & EL Rotator

2013-07-31 Thread Sion Chow Q. C. (9W2QC)
Hi Stefan, Thank you for the reply and also to those who have replied privately. I have taken a look the high resolution version and though I agree that this is a better option to go, cost is unfortunately prohibitive at this time. Anyhow will still re-evaluate the options and perhaps in