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Mark your antenna cables, carefully
By Roger Loiler N6WNE
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It has been a long time since it was good to check out 40 and 80 meters in the old radio shack. Because the solar conditions have passed its peak, it is time to move on to other bands. Let's try 40 Meters. Hmm, no noise, check the SWR. Wow, nearly infinite. This must be a clear case of "Corrosion is not your friend" as in the May CVARC news letter. Maybe there is a problem in the cable connectors. As I remember, because the shack was moved, an extension cable was added. Perhaps the problem lies there? Lets see, here is a cable extension. I wonder which one it is? Well there are two RG8 cables, one RG58 and one RG8 Foam Coax. I wonder which is what. What a mess!!! (Sounds familiar huh).
Guess what? My 2 Meter Packet station has been working on my 40 Meter inverted "V" for almost two years and working quite well. This is perfectly possible because any higher frequency transmission will work on a long wire. However; when I tried to transmit and receive a 40 Meter signal on my 2 Meter Ringo Ranger antenna, the results were a disaster. There was almost no signal on receive and the transmit power was cut off because of the high SWR.
Bottom line is:
Mark each end of your coaxial cable when you install it. Don't merely attach a piece of tape or a tag to it. The weather can render such labels useless after a year or so. Better to spray each end of the cable with different color of Rust-Oleum paint. That paint is designed to stand up to the weather. That way, if there is any confusion later, is easy to check which color is attached to each antenna and which color is attached to each radio.
When all antennas are in place, measure each one for SWR on each band. Write down the results, and date it. Every six months, or a year later, check the measurements again. If there is any deterioration, then it is time to check for Corrosion especially on connectors, coaxial cable shields, and aluminum antenna elements. Stupid does as Stupid is, I'm told.
73 Roger N6WNE
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he Conejo Valley Amateur Radio Club is an ARRL affiliated Special Service club. Meetings are held on the second Thursday of each month, unless otherwise noted. Meeting location is at the Elks Lodge, 158 Conejo School Rd., Thousand Oaks, CA. Meetings start at 7:30 P.M. with a pre-meeting social hour and technical assistance session, for those who are interested at 6:30. Meetings are open to the public, and members are encouraged to bring their friends.
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Amateur Radio Emergency Service
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Ventura County area 2 R.A.C.E.S. members are encouraged to check in every Tuesday.
Members should check in with the RACES number listed on the ID badge. Specific times and frequencies are as follows:
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7:00 PM - 7:30 PM VOICE 147.885- pl 127.3 N6JMI AREA 2
(Secondary backup freq) 147.555 no pl Simplex AREA 2
6:45 PM - 7:00 PM VOICE 52.98- pl 82.5 K6SMR 6 METER
before - 6:30 PM PACKET 145.03 - VCROC early checkin
7:30 PM - 8:00 PM VOICE 146.88- pl 127.3 WA6ZTT COUNTY
7:30 PM - 8:00 PM VOICE 224.02- pl 127.3 WB6ZTR COUNTY
(county RACES simplex) 147.57 no pl Simplex COUNTY
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7:00 PM - 7:30 PM VOICE 147.93- pl 127.3 WB6WEY AREA 1
7:00 PM - 7:30 PM VOICE 147.15+ pl 127.3 WB6ZTQ AREA 3
7:00 PM - 7:30 PM VOICE 146.97- pl 127.3 WB6YQN AREA 4
7:00 PM - 7:30 PM VOICE 145.40- no pl N6FL AREA 5
7:00 PM - 7:30 PM VOICE 147.975- pl 127.3 N6AHI AREA 6
7:00 PM - 7:30 PM VOICE 146.985- pl 127.3 WB6ZTX AREA 7
7:00 PM - 7:30 PM VOICE 145.28- pl 100 WB2WIK AREA 8
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Peter Heins N6ZE, has made the news
August 2001 "CQ" Magazine, page 43 has a full page article about Peter, N6ZE's ARRL VUCC Field Checking activities.
"Capt. Pete's Fly-In VUCC Certification Service" written by Bill Pasternak, WA6ITF.
btPete, N6ZE/K1FJM
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New CVARC Project.
Antenna Building 101.
You remember how much fun it was to build the J-pole at the CVARC meeting, well now we are going to offer you an opportunity to move up a notch.
The purpose of the Antenna Building 101 project is to expose those members in the art of design and fabrication of Yagi or Quad antennas. The cost of the workshop will be $5.00 to off set basic material consumable supplies. The classes will be held in the "garage" of choice when the final cutting, drilling and polishing is to be accomplished. The following is the description of the class and schedule is TBD per the majority of the dates and sign ups.
1. VHF/UHF Beam designs and measurements
a. Tools required - Buy or borrow needs.
b Material choices - How to scrounge hardware and where to look, Costs.
c. Techniques of measurement and alignment.
d. Design plans and list of materials.
2. VHF/UHF Quad and other special designs and measurements.
a. Quad design issues vs Yagi designs
b. Helical or Loop, Horizontal or Vertical application and measurement.
c. Material -How to scrounge hardware and where to look. Costs.
d. Design plans and list of materials.
3. Antenna Assemblies and Measurement.
a. Measure/Marking & Logging Designs
b. Cutting and Drilling.
c. Assembly, Soldering, and Structural tests.
d. Matching to Coax
e. Final Test and Measurement.
All those interested in joining this antenna workshop please send email to k7sdw@arrl.net for a response as to the Sat or Sun time period you would be able to commit to. Cost is $5.00 per person. Duration is three months; the same Sat or Sun or what ever schedule the majority is able to choose. Those responding will be informed where to send their money.
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News from CVARC
Roger Loiler N6WNE
3885 Northland St.
Newbury Park, CA 91320
rogerloiler@yahoo.com
n6wne@ arrl.net
r_loiler@aoa-gps.com
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