Towertalk
[Top] [All Lists]

Re: [TowerTalk] Alfaspid control box?

To: "VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca>
Subject: Re: [TowerTalk] Alfaspid control box?
From: "Rick Karlquist" <richard@karlquist.com>
Reply-to: richard@karlquist.com
Date: Sun, 28 Nov 2004 15:57:51 -0800 (PST)
List-post: <mailto:towertalk@contesting.com>
I like the mouse buttons.  The only thing is that I
look kinda nerdy with a mouse in each hand (Spid + computer).

Rick N6RK



VE6JY Don Moman said:
> I imagine you are looking for a circular indictor or meter movement to
> display the beam heading.  For myself I am very glad to have the precise
> degree readout and not have to use the old style of indicator, plus all
> the
> associated problems with them - like pots going intermittent or open.
> Since
> the AlfaSPid control unit counts pulses it would be not a simple task to
> convert any other box to that, since the types you mention all use a
> variable resistance in the rotor to indicate position.  For experimenters,
> a
> PIC processor that counted pulses and displayed the result as a DC voltage
> would at least let you use a meter movement. Then how to display the total
> 720 degrees (360 plus 180 either side of overtravel) becomes a bit messy.
>
> The functions of the "mouse" however can easily be duplicated by a few
> resistors and switches built into the housing of your choice. The wiring
> info can be made available if it hasn't already.  The mouse style is just
> a
> convenient and inexpensive way to provide this.  I feed  the mouse DB-9
> connectors thru a 4 way computer switch box to reduce the number of mice
> running around on the desktop and have the actual control boxes up fairly
> hi
> and in a spot not that convenient to reach.  Having enough space within
> arms
> reach is always an issue for me so not taking up valuable realestate with
> large control boxes is a big plus for me.
>
> 73 Don
> VE6JY
>
> ----- Original Message -----
> From: "Rich Hallman - N7TR" <rich@n7tr.com>
> To: <towertalk@contesting.com>
> Sent: Saturday, November 27, 2004 5:24 PM
> Subject: [TowerTalk] Alfaspid control box?
>
>
> Has anyone successfully converted one of the other Yaesu, Create,
> Hy-Gain .. etc control boxes to work with the Alfaspid Rotor?
>
> I love the rotor....But just am not much of a fan of the control box or
> the mouse that is used for presets.
>
> Thanks...
> Rich
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>