[Boatanchors] Millen 90651 GDO - Fixed

[Glen Zook]

A tube type GDO is generally much more sensitive than a solid-state GDO even though the tube type has a power cord as a disadvantage.  For example, the Heath GD-1 series (by far the most common version is the GD-1B) are still used by many whereas the solid-state HM-10 series and the HD-1250 are gathering dust.

The Millen 90651 and 90651A, especially the 90651A, are very good working GDOs and there are still a lot of those in use.

The Rolls Royce of GDOs is the Measurements 59.  The control box is relatively large, but the oscillator head (with the coil) is much smaller.

I do have the fairly rare Heath GD-1, a Heath GD-1B, a Millen 90651A, and a Measurements 59.  Each GDO has applications in which a particular unit works better than the others.
 
Glen, K9STH


Website:  http://k9sth.com



On Friday, January 3, 2014 5:06 PM, "n2lxm at juno.com" <n2lxm at juno.com> wrote:
 
Good evening All,

        Well that's a new one. I will file that away as a just in case.
Glade to hear it now working. The Millen GDO is a real work Horse. One of
my winter project this year is to rework one that I picked up with a bad
power transformer. I am going to make it a solid state version. Just one
less power cord to work around on the work bench.


                                Jeff N2LXM
                  AMATEUR RADIO OPERATOR
                                AMERICAN
                                  PATRIOT
                  Proud Father of two US MARINES

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