35 0 obj << /Linearized 1 /O 37 /H [ 1132 243 ] /L 752987 /E 73367 /N 5 /T 752169 >> endobj xref 35 34 0000000016 00000 n I used thin copper tubing instead of aluminum and I have been told that I dont need the balun But I decided to build it in anyway because I want to use this antenna later on a ham radio. 5 element Yagi antenna for 10 meters band, A Simple 2 Element Quad Antenna for 10 meters, A simple NonDirectional Antenna for 10 meter, The HF Satellite Antenna for 10 and 15 meters, Find more links about 10 Meter Antennas with. I decided to use a vertical antenna on 10 meters because I had a Radio Shack 102-inch stainless-steel whip (#21-903, $15) just looking for an application! Use your measuring tape to make sure both sides are the same. JFIF Adobe d C Same Die Anregung zum Bau dieser Antenne kommt von WA6CDO.https://www.qsl.net/dl7jv/quad.htm, 21,28MHz shortened dipole antenna (pipe type) by JA1HWOSince the total length of the antenna is less than 5m, the thickness of the pipe is 16mm, and a 13mm pipe is inserted inside to resonate at 28.7MHz.http://mk1502.web.fc2.com/ahf1/218dp_p.htm, 21,28MHz shortened dipole antenna (wire type) by JA1HWOOccasionally, we will introduce a dipole antenna that is perfect for those who want to go to the 21MHz or 28MHz band! whole band with minimal SWR, yet has good performance, is light weight, 0000005149 00000 n Sure, its ugly. (Very easy to tune and can be used with an antenna highest sunspot activity ever recorded occurred (making todays numbers WonderBar 2-el beam on a 5-ft boomApril 1980, p. 59, WonderBar Since 1998, a group of radio amateurs has been reviewing new sites for listing every day and evaluating the best place to list them. Six Meter Antennas I've Tried a Few - K5ND It was the same concept as what you built. Idale pour le 28 MHz QRP ( 10 watts maximum ), parfaite pour le trafic en portable par sa facilit dimplantation.http://www.roue-libre.be/article.php3?id_article=76, Creation date : 14/08/2007 @ 18:27 A list of parts: A pvc conduit body would be too weak for this application so I had to use the heavier metal ones since it is going into a permanent setting on top of a mast at my house. Full 5/8 Wave Antenna 24 Vertical antennas, ground planes, and radials for Ham Radio Basics--Dipole Center Insulator. Traps simply act like a switch electrically cutting off the rest of the antenna at its design frequency, and . Amature radio operator - extra class, preacher, handyman, Dad, husband. can be made from an old TV antenna in a few hours, one that works the I noticed in your drawing of this antenna project that you use 565 divided by the frequency 27.5 mhz for the radiator. (2013 pricing)OUCH! Is anyone aware of any multi-band vertical antennas primarily for 6 and 10 meters? Cut 1 inch notches on both sides of the 1/2" copper pipe on one end of each pipe with the hack saw going down the length of the pipe. The article said to tap at 10-3/8 turns, but I soldered my tap at GET IT HERE FROM AMAZON AT A GREAT PRICE! Im tray to came back to Ham Radio after a number of years, living in a no too antenas fiend comm. Around!SEARCHCQ-Calling All Practical Antenna Notes-- Loaded with ideas -- dB, dBi, and dBd, -- Invisible and Hidden Antennas -- About SWR -- The Simplest 3-Element Yagi? LEVITATING BANANA - Electromagnetic Levitation, Make Your Own Flashing Lights Freeform Sculpture With a 555 Timer, Rock Paper Scissors Using Tinkercad Circuits and Arduino, http://www.arrowantennas.com/inst/OSJ146440.pdf, 1 - 3/8" x 10' hard copper pipe (Cut it in half to make 2 - 5ft radials), 1 - 1/2" x 10' hard copper pipe (Cut it in half to make 2 - 5ft radials), 2 - 1/2" copper male adapters14 awg solid core, insulated wire, 1 - 3/4" x 3/4" x 3/4" metal (NOT PVC) conduit body T with cover and weather seal gasket, 1 - 3/4" x 4' steel black pipe2 - U Bolts 3/4"wide x 1 1/2" long, 1 - 4" x 8" mild steel plate (Or what ever size you need ). PDF 10 Meter and 6 Meter Rotatable Half-Wave Dipole Antenna This site use cookies to ensure you the best experience in navigation. 8 years ago Make the wire connections and insulate any exposed wire with electrical tape or heat shrink tubing, etcinstall the cover plate. Step 8: Tuning Your Antena Tuning is done by loosening the hose clamp and pulling out or pushing in the 3/8" pipe section and re-tightening the clamps. 0000001582 00000 n I for it..$60.00plus shipping! So I kept mine vertical to allow it to work omni-directional (Vertically polarized). This is great! The copper color represents