Hi Gang,
I would like to make a general plea. Buy the Handbook and use it.
Many of the questions I have seen in the past month have answers in the
handbook.
AL value of 7-mix torroids - page 24.5
Cable attenuation per hundred ft. - page 19.5
Additional loss in db caused by standing waves - page 19.6
ARRL-recommended 12v power connector - page 22.6
Drill sizes - page 25.5
Homemade dummy load - page 26.21
Radials for vertical antennas - page 20.20
Half turns in torroids - page 25.24 OOPS, IT IS WRONG !! (Guess
we need to educate 'em)(I'm looking at a 1995 Handbook)(Zack or Ed-
please change it!!)
There's a lot of QRP stuff in there, too:
Test/construction gear:
Audio oscillator 8 Hz to 150 KHz - page 26.20
QRP Directional Wattmeter - page 22.23 (like the OHR WM-II)
Soldering iron temperature control - page 25.7
HF Adapter for Narrow-Bandwidth Oscilloscopes - page 26.28
Rigs:
The R2: An Image-Rejecting D-C Receiver - page 17.72
Single Band Transceiver for 80 thru 20 (NN1G design) - page 17.79
Antennas:
Ladder-line center insulator/ stress reducer - page 20.8
Trap Dipole for 40, 80, and 160 - page 20.13
Resonant Feedline Dipole - page 20.17
Antenna patterns from longwire antennas - page 20.19
I buy a new handbook every few years. No, I haven't read all of it. But I am always amazed by how much is in there, and how good the information is, in general. The sections on basic electronics seem to get
better and better.
Please, before you post a question to the list, go read the
appropriate section of the Handbook first. If the Handbook doesn't cover it, then at least you'll be able to answer a better question, and
maybe we can make some suggestions for improving the next edition.
OK, off the soapbox.
73, ; D DWink@Juno.com Dan Winkler N7IVR Seattle, WA
----------whom the gods would destroy, they first make proud ----------
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