[Yaesu] Mk V and Mk V Field questions

K Van Horn W7SV at sbcglobal.net
Sat Apr 10 17:33:30 EDT 2004

My MK V has performed flawlessly for 1.5 yrs. Yaesu did the front end pin
diode mod which reduced the internally generated noise by about 10 db!!
Makes it sound like a whole different radio!! I just added the HP pins to my
FT1000MP, and it made a big difference also!! Hghly recommended!! HP
5082-3081 diodes.


Kirby, W7SV

----- Original Message ----- 
From: "Rob Atkinson, K5UJ" <k5uj at hotmail.com>
To: <yaesu at contesting.com>
Sent: Saturday, April 10, 2004 4:04 PM
Subject: [Yaesu] Mk V and Mk V Field questions

> Hello everyone.
> I am trying to make a purchase decision between the Mk V and Mk V Field.
> That was part of the reason I was asking about the p.s. in the Field
> yesterday.  I realize this topic has probably come up a zillion times over
> the past couple of years so I'm not asking for someone to tell me which
> to buy.  Instead I'm asking for information to help me make a more
> decision.  Today I'm focusing on the 200 w. PA of the Mk V.  I have heard
> and read that there have been a number of failures of this PA since the
> was introduced.  Does anyone know if this has been resolved by the mfr.?
> Or, while there have been failures, I also realize many customers have run
> their Mk Vs regularly with no PA problems at all.  This leads me to
> that perhaps the failures were due to txing with a power level and duty
> cycle that were in excess as I think the 200 w. rating is for SSB and CW
> not psk31 or sstv, rtty and other data modes.  Can anyone confirm this or
> was something else the problem?  Have any owners of the Mk V had any
> problems relating to being tied to an unusual p.s. (30 v.)?  Has that 200
> watts really been a nice thing to have justifying the extra 300 bucks or
> in cost?
> Tnx agn & 73,
> Rob Atkinson
> K5UJ
> k5uj at hotmail.com
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