Steve,

The only place that I noticed some drift was on 6 meters and the upgrade 
solved that problem.  Now that the SO3-TCXO board is available on Ebay, 
I thought I'd install it.

Bob, K8LR, [log in to unmask]

On 9/25/2014 1:44 PM, Steve Dresser wrote:
> Bob,
>
> Do you notice any difference now that you've installed the upgrade?  I =
> considered doing it at one point, but the radio doesn't drift much as =
> far as I can tell, so I didn't bother.
>
> Steve
>
> ----- Original Message -----=20
> From: "Bob Tinney" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, September 25, 2014 12:45
> Subject: Re: Installing the SO3-TCXO in my Kenwood TS590
>
>
>> Hi Ron,
>> =20
>> The ts590 does not come out of the box with a stabilized frequency=20
>> crystal installed.  That's the upgrade I was talking about.
>> =20
>> Bob, K8LR, [log in to unmask]
>> =20
>> On 9/25/2014 12:34 PM, Dr. Ronald E. Milliman wrote:
>>> Bob, what crystal module are you referring to? I must have missed a =
> key
>>> point.
>>>
>>> Ron, K8HSY
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: For blind ham radio operators =
> [mailto:[log in to unmask]]
>>> On Behalf Of Bob Tinney
>>> Sent: Thursday, September 25, 2014 11:27 AM
>>> To: [log in to unmask]
>>> Subject: Installing the SO3-TCXO in my Kenwood TS590
>>>
>>> Hi,
>>>
>>> After I found out that I could buy the crystal module from China for =
> 1/4th
>>> the price that Kenwood charges for the upgrade, I bought it and =
> installed
>>> it.  After removing the bottom cover of the 590, all you have to do =
> is
>>> unplug one cable, remove one screw, and install the new board with =
> the screw
>>> that was removed,plug that cable on the new upgraded board and move =
> two
>>> jumpers and your done.  I did ask for help from another ham who did =
> the mod
>>> and thanks to his verbal instructions, the installation time actually =
> took
>>> less time than it took to remove the ten bottom screws.
>>>
>>> --
>>> Bob, K8LR, [log in to unmask]
>>>