Related Manuals for Ventenna HFp Vertical
Summary of Contents for Ventenna HFp Vertical
- Page 1 HFp Antenna User’s Guide User’s Guide Vertical 7 MHz – 54 MHz Amateur Radio Antenna The Ventenna Co. LLC P.O. Box 2995, Citrus Heights, CA, 95611 entenna www.ventenna.com...
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Page 2: Table Of Contents
HFp Antenna User’s Guide Table of Contents The HFp Antenna ------------------------------------------------------------------- 3 HFp Vertical Parts List ------------------------------------------------------------- 4 Assembling the antenna for use --------------------------------------------------- 5 HFp Vertical Configuration ------------------------------------------------------- 6 HFp Configuration tables ---------------------------------------------------------- 7 Fine Tuning -------------------------------------------------------------------------- 8 HFp Antenna Notes ----------------------------------------------------------------- 9... -
Page 3: The Hfp Antenna
HFp Antenna User’s Guide The HFp Antenna The HFp design provides a highly efficient vertically polarized antenna design in an extremely portable package — the entire kit weighs a little over 2 pounds (1 kg). The antenna is highly configurable, and covers all the Amateur bands from 7 MHz to 54 MHz (as well as most of the frequencies in between). -
Page 4: Hfp Vertical Parts List
HFp Antenna User’s Guide HFp Vertical Parts List Before assembling your antenna, verify that you have all the parts in the list below: Item Description Quantity Item Description Quantity Zero-stripe element Base Plate One-stripe element Base Feet Two-stripe element Coaxial Pigtail... -
Page 5: Assembling The Antenna For Use
HFp Antenna User’s Guide Assembling the Antenna for Use 1) Assemble the base by first screwing the four feet into the ends of the aluminum base pieces. After the HFp is set up, you can adjust these feet to make it vertical. 2) Insert the base insulator bolt through the holes in both pieces of aluminum. -
Page 6: Hfp Vertical Configuration
HFp Antenna User’s Guide 9) Install the elements in the correct sequence, set the Top Whip to the correct number of sections, and adjust the Radial Wires to the correct mark (see "Final Assembly Details", below). Adjust the base feet so that the antenna is standing vertical. -
Page 7: Hfp Configuration Tables
HFp Antenna User’s Guide HFp Vertical - Ham Band Configuration Chart 03/08/12 Bottom Element Element Element Element Element Radial Whip Band Element Length Length 3-Up 2-Dn 3-Up 2-Dn 3-Dn 2-Dn 2-Up 2.75 2-Up 2-Up © 2009 The Ventenna Co., LLC www.ventenna.com... -
Page 8: Fine Tuning
HFp Antenna User’s Guide Fine Tuning The best method to fine-tune the HFp is to use one of the portable antenna analyzers. There are a number of these available from MFJ, AEA, Autek and others. A list comparing the different models and prices can be found at http://www.eham.net/reviews/products/31. -
Page 9: Hfp Antenna Notes
ANY frequency between 6.5 and 35 MHz (down to 3.5 MHz when used with the 80M coil). We encourage you to experiment. If you find interesting configurations, please email us and tell us about your experiments at <info@ventenna.com>. There is also an HFp User’s Group on Yahoo.com where HFp owners exchange interesting ideas. -
Page 10: Radials And Swr
These tuned lengths are an important concept in the proper operation of a ground-mounted vertical antenna. A write-up available on the Ventenna web site which explains the effect of different radial lengths, and especially the problems which can be generated by radials that are too long. -
Page 11: The Hfp Wrench
HFp Antenna User’s Guide At the other end of the Guy Line, the line is threaded through two of the holes in the Guy Line Slider, and is tied to the third hole. A bowline knot is recommended here. For each Guy Line, the loop between the tied end of the guy line and the middle hole goes over a Guy Stake, which is spaced about 10’... -
Page 12: Hfp Setup Hints
HFp Antenna User’s Guide More Hints for setting up the HFp Vertical Base insulator - Place a 1/4-20 bolt into the hole in the center of one of the base plates. Place the second Base Plate on the bolt. Put one of the star washers on the bolt, thread the Base Insulator onto the bolt, and tighten it down hand-tight. - Page 13 - by carefully refining the radial lengths and the whip length. It'll just take a bit of time to get the adjustments exactly right. A write-up available on the Ventenna website tells you how. Go to "http://www.ventenna.com/files/SWR-Notes.pdf " for a copy, or go to the "Manuals" page on the Ventenna website for a download link.