[amsat-bb] Re: HRD 6.0 and Satellite Tracker
kq6ea at verizon.net
Thu May 23 20:38:28 PDT 2013
There are several different orbital prediction models in use, and I
would guess that they are not using the same one.
SatPC32 gives you a choice in the setup options, but it's been so long
since I've used NOVA, I don't remember if or where the oprion is located.
73, Jim KQ6EA
On 05/24/2013 02:45 AM, Les Rayburn wrote:
> Thanks to Dave, and many others who contacted me about the use of
> Satellite Tracker in HRD 6.0.
> It was exactly the kind of input that I was hoping for.
> A couple of other questions:
> 1.) I've noticed that Nova for Windows and SAT32PC display slightly
> different data regarding AOS, LOS, Azimuth and Elevation for a given
> satellite. This seems strange to me
> since they're using the same KEP data, share the same PC clock which
> is synced every 12 hours, etc.
> Anyone else notice these small differences? None of them have much
> effect on actual operation which is governed by the beamwidth of the
> antennas (pretty broad), objects
> blocking the horizon, etc. but it does make me curious.
> Les Rayburn, N1LF
> 121 Mayfair Park
> Maylene, AL 35114
> 6M VUCC #1712
> AMSAT #38965
> Grid Bandits #222
> Southeastern VHF Society
> Central States VHF Society Life Member
> Six Club #2484
> Active on 6 Meters thru 1296, 10GHz & Light
> On 5/23/2013 4:20 PM, Dave WØDHB wrote:
>> I'm using HRD 6.0 SAT Tracker/HRD Rotator as well as SATPC32,
>> HRD SAT Tracker.
>> In fact, I was using SAT Tracker when you and I QSO'd 5/20 on SO-50 .
>> I use them in conjunction with my Flex 5000A / EA4TX rotator
>> G5500 rotator.
>> I am only using SAT Tracker and SATPC32 for TX/RX Doppler control as
>> product has adequate support for other Flex 5000 Rig control
>> functions IMHO
>> I have written software which intercepts CAT commands coming from either
>> program and I only pass on doppler tuning info through to the Rig.
>> The same software allows me to do other required Rig control functions:
>> -TX/RX calibration for transponder satellites
>> -Transmit power adjust
>> -Satellite specific controls-TX/RX mode, tones, reset SO-50 timer,
>> I also have provided support for my TS-2000 and IC-9100 in the software.
>> My preference for SAT Tracker is primarily because I like the user
>> Some caveats on using HRD 6.0 SAT Tracker/HRD Rotator natively with any
>> supported rig:
>> HRD Rotator does not play nicely with Rotators with a south stop
>> (Yaesu-5400), you can make it work, but software azimuth readout is
>> 180 deg
>> HRD SAT Tracker does not support transponders of the "Non-inverting
>> (like AO-7 mode A)
>> Dave W0DHB
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