[1000mp] Re: Mark V/Field TCXO's 4 & 6
Al Toothaker
n6ta at arrl.net
Wed Aug 4 22:53:49 EDT 2004
I'll add that my Mark V manual says .5 or .25ppm. Who knows what they put
in it?
Al, N6TA
-----Original Message-----
From: 1000mp-bounces at mailman.qth.net
[mailto:1000mp-bounces at mailman.qth.net]On Behalf Of Thomas Giella KN4LF
Sent: Wednesday, August 04, 2004 17:20
To: All about Yaesu 1000mp
Subject: [1000mp] Re: Mark V/Field TCXO's 4 & 6
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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