Bear in mind that many of the chassis screws are used to secure 'earthing
joints'. The use of a lubricating oil or copper slip will indeed reduce
electolytic corrosion but may well also introduce some resistance, as all
lubricating oils/greases will leave a thin skin even under pressure.
There is another recessed, or cross-head screw in common use...It is called
Reed and Prince...Phillips has gained more popularity, but Reed and Prince,
in my humble opinion, is a better format...Phillips uses different size tips
and the tips are blunt, or rounded...Reed and Prince tips are
Stop by and say hello if you're going to be at either
of these East Tennessee events on Saturday.
73,
Julius
n2wn
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Ooops, it's SEDCO, not SECO!
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Help:
I am puzzled. Some time back I started a K2 control project customized
just
for my way of operation. I included a quick menu control utilizing the
SW38; through SW69; single switch menu commands. Recently going back to
the project to include some new functions, those commands no longer
I have the built the Tenna dipper, the Flying Pigs NOGA
Frequency counter and two frequency 'standards' - both with
selectable output. All of which I got from various Ham clubs
over the internet --- ain't Google wonderful??,
The Flying Pigs frequency counter works very well. Fed with
9V you
Julius:
I was wondering; is there a home football game in Knoxville that day?
Steve
AA4AK
At 06:30 AM 9/29/2005 -0700, J F wrote:
Stop by and say hello if you're going to be at either
of these East Tennessee events on Saturday.
73,
Julius
n2wn
___
I have found the sw38 thru sw69 commands are presetting the menu
position,
but to see the menu information on the LCD display, I must follow those with
a sw05, MENU, command. So, there is a workaround to my problem, but in
checking my older version source code, that does not seem to be
I don't usually cross-post, but this book is worth it .. got this from
the AMPS list, don't ask what I'm doing on the AMPS list :)
A classic antenna book, published in 1952 by McGraw-Hill. Edmund Laport was
chief engineer of RCA's international division and this book has some
WONDERFUL
old-time
~~~
N2CQ QRP CONTEST CALENDAR
October 2005
~~~
TARA PSK31 Rumble (PSK31 only) ... QRP Category
Oct 1, z to 2400z
Rules:
Along with the other fine discussion here about why screws bind/gall
and what to do to prevent it, I'll toss in a couple of brand names
that I have found useful both in my automotive and (mechanical)
instrument hobbies: Kroil and Microil, both from Kano Labs.
http://www.kanolabs.com/
Kroil (and
I posted this to TowerTalk yesterday. I received my copy yesterday in
the mail and I was very impressed with the quality... it's just like
having the original book, even though it is printed from a scanned pdf.
The pdf is also available for free at LuLu and elsewhere.
Larry N8LP
John
For an exhaustive discussion on screw types, see
http://www.lara.com/reviews/screwtypes.htm and then scroll down to the 3rd
description.
The principal difference at the driver bit tip is that Philips bits are
rounded, and thus more prone to trashing the screw than is Reed and Prince
bit that is
I found that the sw38 thru sw69 commands were indeed pre-positioning the
menu, but needed to be followed by a Menu, sw05, command to display the
quickmenu selection on the LCD and make the information available to the
control program.
Things are all better now. Thanks for the BW.
I also placed an order for two rolls of the Loctite solder with R. S.
Hughes. I received a call earlier this morning from their Raleigh, NC
location informing me of the minimum requirement for 20 1-pound rolls.
I told them to cancel the order.
Apparently someone else had also ordered from
Jim:
At 08:47 AM 9/29/2005, Jim Campbell wrote:
I also placed an order for two rolls of the Loctite solder with R. S.
Hughes. I received a call earlier this morning from their Raleigh, NC
location informing me of the minimum requirement for 20 1-pound rolls.
I told them to cancel the order.
I have been looking around for a desoldering tool for some time. The
Hakko 808 would be ideal but the prices over here in the UK are around £200.
Having searched the net there appears to be a number of clones of the
Hakko, or is the Hakko a clone itself??
Has anyone on the list any experience of
On Thursday 29 September 2005 10:15, [EMAIL PROTECTED] wrote:
Bear in mind that many of the chassis screws are used to secure 'earthing
joints'.
Recently I learned how important electrical contact
at these screw points is.
I had low speaker output and I thought the band
conditions were
Eric Swartz WA6HHQ - Elecraft wrote:
We have added a new page to our builder's resource page with recommended
lead content solders and where to buy them from a number of U.S. vendors.
GAH!
Any chance you could provide a similar page with recommended LEAD-FREE
solders, for those of us who
I finally put my Tenna Dipper in my enclosure. I also tested the
Tenna Dipper with the internal frequency counter of the K2... works
great !!! I only have to do a 'official' external connector from the
K2 to the Tenna Dipper to have access to the frequency meter.
A few pics at...
Brett,
To answer your question, I am using stranded, silver plated, teflon
insulated #16 wire. It is plenty strong. I have a 3/16 Dacron line
between the two poles to take the strain off the wires. This also
decreases the vertical bend and completely eliminates the horizontal
bend of the
Hi Tom, Rowland,
IMHO, Products from China are usually good buy. My DMM, AC minivolt meter
and 100Mhz oscilloscope are from China and all function well. I am now
using a Goot TP100 AS desoldering gun from Japan. It is more expensive and
costs me HKD1,600.
I have not tried the Aoyue 808
to imply that they may make knock-offs of Hakko products as their
soldering
stations appear virtually identical to those from Hakko (the 936-x models
specifically).
While the case appears to be identical to that of the Hakko, so do the
desoldering tips, the 'power supply' is something new.
Got the problem with 160 fixed. I did not solder the pin that turned on the
160 relays in the KPA100.
On the K2IO problem.
Here are some voltage measurements that I took. I am not sure that the
measurements are correct. I am also looking at the schematic for the K2IO
section of the KPA 100. The
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