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TopBand: PT-2500A

To: <topband@contesting.com>
Subject: TopBand: PT-2500A
From: km1h@juno.com (km1h @ juno.com)
Date: Mon, 11 Aug 1997 13:00:25 EDT
On Mon, 11 Aug 1997 06:49:23 -0700 (PDT) Larry Tyree <n6tr@teleport.com>
writes:
>
>Before anyone tries to use the PT-2500A for serious work, they should
>get in touch with me.  I had 3 or 4 heartaches with this amp during
>contests and found a number of design problems that can be easily
>fixed.  Not sure if the B&W version of this amp was any better.

That was the  Viewstar version Tree, the one built in Canada after
Hammond sold it.

B&W completely redid the RF deck before selling under their name. The
only early B&W problem was some parasitics but that was changed by Serial
# 12. I had # 006 and 008 here for long term evaluation and debug. 

They also reworked many Viewstars for owners.

Old  #006 won the CQ CW 160M Contest for me (KQ2M op) in 1987 or 88 as
well as numerous other contests 1987-89. 

If you have anything written up I would appreciate a copy for my records.

73...Carl  KM1H


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