Dual band slim jim antenna plans

Author: cwtm

August undefined, 2024

WebWhat you’ll need to make a Slim Jim: Some balanced ladder line feeder – either 300 or 450 ohm will do – If making an antenna for 145MHz, then you’ll need a length of 1.5 metres. For other frequencies, use the … Web15 feb 2024 · 2 Meter Slim Jim Antenna using 300 Ohm Twinlead How to Build a Dual-Band Antenna for 2M/70cm Building a Dual-Band Antenna Mentorfest 10/23/04 1 …

N9TAX Slim Jim Dual band VHF/UHF roll-up Antenna - YouTube

Web23 ago 2015 · John M0UKD. 23rd August 2015. 4 Comments. I have added the ability to include a known velocity factor into the Slim Jim / J Pole calculator, to help with building them with 450Ω or 300Ω feeder. Also, here is a tested and reproducible Slim Jim for 70MHz (4m) made with 450Ω balanced feeder: 70MHz Slim Jim constructed out of 450Ω feeder. family clinic logo design

The Skinny On Dualband SlimJim Antenna, Detailed …

WebDetailed review on a Dualband Slim Jim antenna. Extremely economical, transportable, good performance antenna for any preparedness situation. This is what I'm going to deploy for my use. Web2 Meter Slim Jim Antenna. $ 58.00 – $ 62.00. There are times when you may need more gain than the standard J-Pole antenna. With twice the gain of a standard J-Pole … http://hamuniverse.com/ke4nu450slimjim.html family clinic maquoketa iowa

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Can anyone recommend a 2m 70cm to use in an apartment

WebFOR ANY BAND! (Try it with aluminum too!) Either way....TRY IT! Design your J Pole for hf, 2 meters, 220, 440 and up! J-Pole Antenna Design . SAVE TIME BY USING THE CALCULATOR BELOW. NOTE: Coax center conductor attaches ... Convert a J Pole to a Slim Jim More Antenna Projects! DANGER! Do not install ANY antenna over, under or … WebThe Slim Jim, designed by the late Fred Judd, G2BCX, can be a great portable 'roll up' antenna, if made out of 300Ω or 450Ω ladder line / twin feeder. Add a loop of string to … cookeo touch pas cherWebhttp://coachhelder.com/roll-up-slim-jim-antenna-for-emergency-preparedness-communication-review/ - Coach Helder (W2NTC) reviews the 2m 70cm roll up slim jim/... cookeo touch wifi balance

"WebDon Murray W9VE Building a Dual-Band Antenna Mentorfest 10/23/04 4 A Lecherous Episode • Transmission line theory • Standing waves • With low SWR voltage and … " - Dual band slim jim antenna plans

Dual band slim jim antenna plans

N9TAX Dual band slim jim portable antenna by 2way electronix

http://clackamasares.org/wp/wp-content/uploads/2024/12/MENTORFEST_ANTENNA.pdf WebThe dual-band basic Flower Pot page ( vk2zoi.com/articles/dual-band-half-wave-flower-pot) says "Operation on the third harmonic is achieved by using a sleeve technique so as to form quarter wave phasing sections (at the higher frequency) to end feed two half waves in phase at the third harmonic." – MoTLD May 10, 2024 at 13:06 Add a comment

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http://hamuniverse.com/antennas.html Web5 ago 2012 · The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit …

WebAbout A J-Pole for 2-meters and 70-cm The resource is currently listed in dxzone.com in 2 categories. The main category is J Pole antenna plans that is about Building J-Pole amateur radio antennas. This link is listed in our web site directory since Monday Oct 11 2004, and till today "A J-Pole for 2-meters and 70-cm" has been followed for a total of … WebBuild your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band. K8MRD RADIO STUFF 24.5K subscribers Subscribe 1.6K 40K views 2 years ago #hamradio …

WebConstructing the Slim JIM According to references, this antenna can be constructed from anything such as; twin lead 300 ohm TV antenna lead-in, copper and aluminum tubing … Web13 ago 2024 · 22K views 1 year ago HAM RADIO: Easy SlimJim / J-Pole Dual band Antenna Build for 2m/70cm, Thanks to a book I purchased many moons ago, I have …

Web2 Meter Slim Jim Antenna using 300 Ohm Twinlead. Slim Jim 2M Antenna – SV5BYR. L.B. Cebik web site – requires registration (free) Commercial 2M 70cm Slim Jim – …

WebSlim-Jim variationen af J-pole-antennen har karakteristikker og ydelse som ligner en simpel eller foldet halvbølgeantenne og identisk til den traditionelle J-pole konstruktion. Judd fandt at Slim-Jim producerede en lavere sendevinkel og bedre elektrisk ydelse end en 5/8-bølgelængde groundplane-antenne. [21] family clinic meridian msWebThe Slim Jim is probably one of the cheapest and easiest antennas to make, and it’s a very handy one too. You can typically make one of these for under £10 , they roll up easily for storage and travel, and are great for … family clinic killeenWebThe N9TAX Slim Jim antenna is the highest quality roll up antenna available today. I've been producing these antennas professionally for nearly a decade now and have sold … cookeo touch wifi boulanger