Hambrew - Spring 1995

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From: chuck adams (adams@chuck.dallas.sgi.com)
Date: Sun Apr 16 1995 - 04:10:50 EDT


Gang,

Got my spring issue of Hambrew and I haven't seen
a review of same, so here goes.

48 pages including front and back covers, with
heavier glossy paper for cover. Shipped in plastic
bag to protect it from the postal critters.

Table of Contents:

Letters 4
Kit Review: Tejas Variable Peaking Bandpass Filter 7
New Products: TAC1 from S&S Engineering 9
A Remote VFO: by John Pivnichny, N2DCH 10
A Six Meter Transmatch: Bill Shanney, KJ6GR 17
Understanding The Simple FET Mute Circuit: Bill Hickox, K5BDZ 22
Completing The Hambrew Emergenceiver: Bruce Williams, WA6IVC 25
20/20 Hindsight 29
Bet My Dollar On A Bobtail: Josh Logan, WX7K 37
1 Watt VFO Pipsqueak X-2 39
Ocean State Lives!!! Bruce Muscolino, W6TOY/3 42
Thoughts On Theory: James G. Lee, W6VAT 43
Classified Ads 46

If you remember from over a year ago, when Hambrew first
came out I wrote a review for this group. I took a bunch
of heat for that review. Much to George De Grazio's credit
he has gone out of his way to make Hambrew a better product.
George, WF0K, lowered the yearly subscription rate from $20
to $10 and changed from the more expensive glossy paper to
good non-glare paper, thus reducing his cost and still
maintaining good quality. I'd say that even though he
and others have pointed out that Hambrew is not a "QRP"
journal, it sure looks like it to me from this issue. :-)

This issue, to me, is the best one yet!!! After looking
through it a couple of times I have figured out why. It
is the photographs. Every construction article and every
other article has photographs/schematics/illustrations
to show the final product. This is very important to show
how others do mechanical work and for the newbie would
most certainly be important to illustrate something that
they haven't ever seen before. Now the photographs are
newspaper quality, but good enough for what they are
intended for. By "newspaper quality" I mean the dotted
format and for the life of me I forget the technical term
for this, but I'm sure someone will remind me. :-)

It's things like the photo of the new S&S TAC1 that make
an announcement of a new product important. A nice looking
rig for 80M. I hope that Dick comes up with a 40M job or
30M.

George has a one page letter in the Letters section whereby
he is encouraging QRPers to work on 6M. Dan's posting yesterday
about 40M being the preferred band is a good question. My
own two cents worth of comments is that VFO stability and ease
of design for the lower freqs is part of the cause of the
proliferation of rigs for 80, 40, 30, and 20M bands. Another
is the sunspot cycle is at a low point. For those of us that
have been hams for more that one cycle, we only tell you to
be patient. 15M and 10M will come back in about 5 years with
a vengance, i.e. you can work the world with less than one
watt. I'd predict that designers will be racing to get kits
and rigs out the door for these bands, but until the propagation
picks up, forget it. There's no money in it right now.

George also voices his concern with digital signals and pirate
stations on 30M. I think it's time for direction finding and
monitoring on 30M before it gets to be a garbage band. With
500 widely spaced individuals in this group alone that are
interested in holding onto some sense of organization on the
ham bands, we should be able to track down offending stations
or mention them here. If the ham community is to be self-
policing, then we've got to start where it's important to us.
Note: this is not a call for such action, just for someone
to think about it and give us a solution. I know we got better
things to do. And I am not anti-digital other than for 35+ years
I've been pushed further and further down the 40M band, having
started out with crystals at 7.145, 7.140, and 7.135MHz and
we know what happened to those frequencies. :-) How much fun
is it to sit in front of a keyboard and have a computer do it all
for you? I do that enough at work. :-)

Bruce Williams has a small receiver similar to the SimpleRX.
In fact I have the SimpleRX in front of me on a L-shaped Aluminum
plate that came with the W1AW receiver from Radio Adventures Corp.
The SimpleRX is one of the most sensitive receivers that I own.
You'll get to see them all at Dayton. The Emergenceiver would
make a good first project for someone who wants an inexpensive
first project without a PC board.

In 20/20 Hindsight, there are some impressive pictures of rigs
from W6EMT, VE3GQD, and KJ5TF.

Bruce Muscolino, W6TOY/3, one of this group makes the point that
Ocean State Electronics is still going strong. Tejas Kits is
still selling the Backpacker II and other kits too. I list
addresses here out of Hambrew:

Ocean State Electronics, Box 1458, 6 Industrial Drive, Westerly, RI 02891
Tejas Kits, 9215 Rowan Lane, Houston, TX 77036

>From reading this issue, when Dayton Hamvention starts Friday morning
in Dayton, the first place that I'm heading to is ....... HA!! You
didn't think I'd give you a head start did you? Ask me when you see
me. :-) Doug Hendricks and I saw this group in a tent in the rain
last year and I forgot what it was that I needed, but not this year.
3x5 card with a list of first priorities this year.

FYI

dit dit

Chuck Adams K5FO CP-60 adams@sgi.com


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