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[aprssig] Rotor control

scott at opentrac.org scott at opentrac.org
Mon Jun 19 20:04:54 UTC 2006


I got just about the same thing from Idiom a few minutes ago...

"AP1xxx<CR>" sets target bearing to "xxx" degrees where xxx are three 
digits between 000 and 360, and executes. A typical command to rotate to 
080 degrees would be AP1080<CR> Note that the <CR> is often labeled 
<Enter> on many keyboards.

"AP1xxx;" sets the target bearing but does not execute. 

I wonder if one of those is incorrect, or if it's really a difference in
command structure.  I guess you could always send AP1xxx<CR>AM1;<CR> just to
be sure.

Anyway, should be a piece of cake to add.  Dead reckoning would add some
complexity, but hopefully it won't be needed.

Scott
N1VG

> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Bill Bell
> Sent: Monday, June 19, 2006 11:58 AM
> To: 'TAPR APRS Mailing List'
> Subject: RE: [aprssig] Rotor control
> 
> The following codes are for the Rotor-EZ card used in the 
> Yaesu SDX series
> rotors. I suspect the codes would be the same for the 
> Rotor-EX card but
> can't say for sure.
> 
> RS232 config requires 4800 8N1 
> 
> "AP1xxx"	sets the target bearing but does not execute 
> (leading zeros
> must be used)
> "AM1;"	executes rotation to the bearing set by the 
> above command
> "A|1;"	inquires current bearing and responds with 
> (000-359) degrees
> ";"		terminates rotation
> 
> Each command is followed by a carriage return
> 
> The documentation tells you to select Rotor-EZ or HyGain DCU-1.  
> 
> In the rotor settings for TRX-Manager there are approximately 
> 10 different
> rotors listed so they apparently each use their own commands.
> 
> 
> Bill Bell
> W9BEL
> 
> 
>  
> 
> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org]
> On Behalf Of scott at opentrac.org
> Sent: Monday, June 19, 2006 13:00
> To: 'TAPR APRS Mailing List'
> Subject: RE: [aprssig] Rotor control
> 
> > to follow a satellite. The "KC" (Kansas City) was the name of 
> > one such 
> > standard long ago. I suspect if you get on Amsat's site and 
> 
> All I can find for the Kansas City Tracker is the ISA card.  
> Doesn't do much
> good for a standalone installation.
> 
> I'm hoping the Rotor-EX takes something simple, like a 
> bearing in degrees.
> I don't want to get into the low-level details of rotor 
> control, I just want
> to tell a rotor controller where to point.
> 
> Scott
> N1VG
> 
> 
> 
> 
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