Tom,

If the rig seems stable enough to you, don't spend the money.  On the other hand, file the option for later use if you ever become aware of drift.  Another reason for wanting a TCXO is if you operate in a wide range of temperatures, in which case the drift might be more noticeable.

Steve

----- Original Message ----- 
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, September 27, 2014 12:59
Subject: Re: TCXO Module For TS590


> Thanks, Steve.
> 
> In my HF cw work on 10 through 160 meters, I  haven't noticed any problems.
> I very rarely use 6 meters, and don't think I have ever even had a 6-meter
> CW QSO, in my 20 years with my KB8TYJ call.
> 
> If what you are saying is true, then I'm thinking it may not be worth my
> while, at least at this point.
> 
> Will be interested in thoughts from anyone else, of course.
> 
> Tom Behler: KB8TYJ
> 
> 
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Steve Dresser
> Sent: Saturday, September 27, 2014 12:06 PM
> To: [log in to unmask]
> Subject: Re: TCXO Module For TS590
> 
> Tom,
> 
> I think the TCXO module is most helpful if you are doing work on 6 = meters,
> but of less significance on the lower frequencies.
> 
> Steve
> 
> ----- Original Message -----=20
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, September 27, 2014 11:50
> Subject: TCXO Module For TS590
> 
> 
>> Hello, everyone.
>>=20
>> I know this will be a matter of opinion, but is the TCXO crucial for =
> someone
>> like me who does a lot of CW operating?  I realize that is probably =
> more
>> essential for other HF digital modes, but those modes are not of =
> interest to
>> me.
>>=20
>> The question is simply on my mind lately, due to some recent =
> discussion on
>> both this list, and the TS590 Yahoo groups list.
>>=20
>> Tom Behler: KB8TYJ
>>
>