[1000mp] Re: Mark V/Field TCXO's 4 & 6

[John L Merrill]

Thomas Giella KN4LF wrote:
> According to my Mark V Field operations and service manuals the TCXO-4 is 0.5 ppm and the TCXO-6 0.25 ppm. So John N1JM is correct.
> 
> 73,
> Thomas F. Giella, KN4LF
> Plant City, FL, USA
> Grid Square EL87WX
> Lat & Long 27 58 31 44N 82 09 51 98W
> 
> PODXS 070 PSK31 Club Member #349
> 
> KN4LF Solar Space Weather & Geomagnetic Data Archive: http://www.kn4lf.com/kn4lf5.htm
> 
> ----- Original Message ----- 
>   From: D. J. 
>   To: All about Yaesu 1000mp 
>   Sent: Wednesday, August 04, 2004 7:13 PM
>   Subject: Re: [1000mp] Why??
> 
> 
> 
>   On Aug 4, 2004, at 5:37, John L Merrill wrote:
> 
>   > the tcxo4(standard on the Field or MkV) is .5ppm and the tcxo6 is 
>   > .25ppm. I
>   > think either one would suffice in the 60mtr band.
>   >
>   > John N1JM
>   >
> 
>   Check again John.  The standard TCXO is 2.0 PPM  optional is .5 PPM.  
>   At first that was my understanding, but looking closer it's not the 
>   case.
> 
>   Dale, K9VUJ
> 
> 
> 
> 
> 
>   > -----Original Message-----
>   > From: 1000mp-bounces at mailman.qth.net
>   > [mailto:1000mp-bounces at mailman.qth.net]On Behalf Of Hans Remeeus
>   > Sent: Wednesday, August 04, 2004 12:27 AM
>   > To: All about Yaesu 1000mp
>   > Subject: Re: [1000mp] Why??
>   >
>   >
>   > I cannot imagine why you should use a TCXO and 2.4 bandwidth 
>   > especially for
>   > 60 meters...
>   >
>   > I have the Mark-V with TCXO-6, but actually cannot notice any 
>   > difference
>   > between the standard TCXO-4 and the optional TCXO-6. Perhaps in severe
>   > circumstances when temperature is varying very much and you want to 
>   > make
>   > digital communications on one single frequency.
>   >
>   > For optimal speech fidility I would prefer the standard 6.0 kHz TX EDSP
>   > bandwidth.
>   >
>   > Both the TCXO and 2.4 bandwidth will effect the other bands too.
>   >
>   >
>   >
>   > 73, Hans Remeeus.
>   > Ham Radio: PA1HR
>   > www.remeeus.nl
>   >
>   > Communication is about people, the rest is technology.
>   >
>   >
>   > ----- Original Message -----
>   > From: "Bob Main" <bobmain1 at alltel.net>
>   > To: "MarkV" <1000mp at mailman.qth.net>
>   > Sent: Wednesday, August 04, 2004 1:32 AM
>   > Subject: [1000mp] Why??
>   >
>   >
>   > I've had a senior moment here.  Someone earlier today mentioned that in
>   > order to work 60 mtrs legally you needed the TCXO and then you needed 
>   > to
>   > change menu 5-9 to 2.4.  It's default is 6.  Now why do I have to do 
>   > this?
>   > I have the TCXO and it is installed and I changed 5-9 from 6 to 2.4, 
>   > but
>   > why?  Also what effect does it have on other bands/modes?
>   >
>   > Bob
>   > KB4CL
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I wonder if there has been a change somewhere. The manual and brochure 
show the above specs but i remember having an earlier MkV and thought 
the specs were then 2 and .5.  The TCXO forsale at AES website sats .5 ppm.

John N1JM