Those U-100 rotors are available around at the swap meets. And cheap, too. I have set up an AZ-EL rotor with two U-100's and it works swell. It's been up for about 10 years or more with two fairly big (14 elements on 2, 20 elements on 432) antennas.
73 John K6YK
On Mon, 10 Sep 2007 15:06:17 -0700 Don Fanning don@00100100.net writes:
I'm actually experimenting with using a toy computerized telescope right now (Meade ETX-60). It has a computerized alt-az setup but the onboard electronics allows for updating keps to "observe" satellites as well as provides a RS-232 interface to a computer (haven't gotten around to
building the cable yet) but the mount is plenty strong enough. I've
raised the base of it (contains the az motors, electronics and batteries) up while holding the tube upright and working the handpaddle. The base along weighs 3-5 pounds and it did it without even a groan.
My idea is to attach an arrow onto it and maybe a counterweight to balance things up. It has no problem slewing or precision tracking,
it's lightweight and portable (more portable than a G-5400 and tackle) and can track satellites portably without the need of a laptop. Beats hand tracking. :)
de Don (KL7EET)
David Donaldson wrote:
Let me join the question...The Yaesu are great rotors but are
there any
options anymore that don't cost the price of a new rig? I wish
now I had
not sold my Allient (spelling not right) U-100 TV rotor a few
years ago now
that I want to get back into satellites.
Dave WB7DRU, MN
-----Original Message----- From: amsat-bb-bounces@amsat.org
[mailto:amsat-bb-bounces@amsat.org] On
Behalf Of Thomas M. Webb Sent: Sunday, September 09, 2007 8:59 PM To: Eric Christensen; AMSAT-BB Subject: [amsat-bb] Re: Rotators
The Yaesu 5X00 series (5400, 5500, 5600). They are in general use
in the
AMSAT community so there is lots of support.
Tom, WA9AFM/5 ----- Original Message ----- From: "Eric Christensen" eric@christensenplace.us To: "AMSAT-BB" amsat-bb@amsat.org Sent: Sunday, September 09, 2007 7:57 PM Subject: [amsat-bb] Rotators
I know this is a general question but I'm hoping to get some
insight.
What's the best azimuth and elevation rotator available these
days? I'm
hoping to get some antennas up before the end of the year and
this is
one of the pieces of the puzzle I don't have any idea about.
Any
information would be appreciated.
73s, Eric Christensen, W4OTN AMSAT Area Coordinator - Southeastern Virginia USA AMSAT Member 35360 http://www.ericsatcom.net
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