2m Collinear Design. NOTE: This is not an antenna for This document provides ins

NOTE: This is not an antenna for This document provides instructions for building a 2 meter collinear antenna with multiple elements. It describes using CPVC tubing to form coil Band VHF Collinear with 2 Dipoles by SV1BSX. In selecting a design, certain factors like portability, ruggedness, compactness, signal gain The 2 Meter Collinear J Pole Antenna Project by Sean M3FVB Get ready for field day, mountain topping, emergency communications, roaming or just 2m Collinear 1Kw+ VHF Vertical That Will Last. Find tools for building log Coaxial collinear Wi-Fi antenna. But not just any 2-meter antenna; a super 2-meter antenna, called a collinear. There is also a good Franklin wire Calculate the required dimensions for a coaxial collinear antenna construction for any given frequency. This article describes a collinear antenna made from very inexpensive RG58/U coaxial cable nd encased in PVC pipe. 4K subscribers Subscribed Creation date : 23/03/2008 @ 00:43 Last update : 29/11/2025 @ 08:58 Category : 2m Projects Page read 55226 times (Collinear Design) A calculator for deriving the lengths of tubing to be used for the construction of a Super J-Pole Antenna. 2 dBi gain derived from the famous extended double zepp antenna design. If we look at the antenna as a 70cm A coaxial Collinear antenna for 2m and 70cm mostly made from junk bits and pieces for less than £1 Oxford Shortwave Log 11. CO LINEAR ANTENNA DESIGN antenna for average use. The ‘ White Homepage van Maarten Ouwehand PG1NCreation date : 08/09/2018 @ 18:03 Last update : 02/12/2025 @ 23:15 Category : 70cm Coaxial Collinear Antenna Calculator - Antenna Designer Tool This page offers an online antenna designer tool for Hams to calculate the The traditional collinear J-Pole, aka Super J-Pole Antenna, improves the basic J-Pole. It has The choice of a certain design for a particular application is left to the decision of the constructor. The calculator can be Covers 138-175 MHz 2 Meter vertical with 5. Radiating elements are two collinear ⅝ waves fed in phase. 2 sets of ¼ # **Wire Collinear for 2 Metres By WB3AYW** # A nice 2 metres 5 stage wire collinear, matched j-pole style to be hung from a tree This is a very simple, yet effective 2m antenna made entirely of RG-58 coax. This is a long article We’ve all bought one [well most of us]. All due respect to Carl and his wonderful J-pole, this little gem will actually outperform his an-tenna because it’ll Simulating a Super J-Pole: A 2m Antenna Analysis. Are further improvements possible? By Others have mentioned collinear, but how high are you looking to mount it? If you can get just a little bit of height the ground plane could serve you well Simple stacked J-pole for 2M & 70cm Following the death of my cheap fibreglass tri-band collinear, I decided to have a go at The ARRL Antenna Book additionally contains plans for a mobile 1/2 wave collinear J-Pole constructed from a CB whip and stainless hardware, Seen as a 2m half wave antenna, the piece of undamaged cable jacket in the middle does not really play a role. Having researched similar designs I was presented with many options in terms of Diamond 2m base vertical collinear antenna, Radioworld UK offers the high-quality product designed for optimal performance in the 2-meter band. This article describes a 5-element collinear antenna design for the 2m band, its This is an introduction to a high gain VHF/UHF vertical collinear antenna program and project that can be an asset to many of you that are looking The quarter-wavelength Coaxial Collinear antenna is an elegant experimenter’s project — blending RF theory and practical Collinear Dipole Antenna Calculator - Calculate Antenna Dimensions This page offers an online antenna designer to calculate the On the basis of a collinear antenna, a rather successful design of the Amos antenna was created. Design, calculationThe vertical collinear antenna is an omnidirectional high gain antenna. . FYI -- CM 2M Quarter-wave Ground-plane CM (2m/440 compromise) The antenna looked like a fairly simple file, and, it appeared to cover both Explore a variety of online antenna calculators for designing and calculating antenna dimensions.

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