80 meter delta loop antenna

The 80 meter Deltaloop antenna kit contains all the components to create the ideal Deltaloop antenna. Thanks. economical and easy to build and install, works on all HF bands and WOW! about 1.25 wavelengths on 80 meters (2.5 on 40m, 5 on 20m and 10 on 10m) The 40m band looks similar, but with a worse but acceptable SWR without impedance matching: Below are the EZNEC calculated directivity diagrams for all shortwave bands. Overall, however, it acts in the horizontal almost like an omnidirectional, the maximum difference north / south (about Y-axis) to West / East Ca. It was an 80 meter delta loop, apex up, with the top attached to the top of a 60 foot tower. @enzo I see now that I misinterpreted your layout for the antenna. HF & ShortwaveLicense StudyLinksMidi MusicReading RoomRepeater Basics weeks of casual operating! The Z axis denotes the height of the suspension points, in my case this is both my Versa Tower as a starting point and feed. I hope this article helps other hams to try this antenna. The 4:1 balun was chosen because the impedance of the feedpoint of the antenna for each band is: Since you specified that you need to run coax into your shack, it is best to transform the impedance at the antenna in this case and run coax all the way into the shack. Length of a full-wave 80-meter loop is about 270 feet long (1005 divided by frequency in MHz) or about 67 feet per side. Before I started cranking up the mast, which after all demands a pretty athletic performance from me old boys, I already wanted to do the first measurement. 1). Contact the site with comments or questions. Give a dela loop a try, you won't be sorry! They can also be in the vertical plane and are most often in the same shapes with the delta being very popular as it has both vertical and horizontal polarization. Clarification: Thiis was a better all band antenna than the 160 L or the 240 ft dipole. was the same as "received" most of the time. After a week I decided to feed it from the In this short, well-made video, "taverned" shows us how he used a mag mount antenna, a simple C clamp, and a basic ground system to convert his mountain bike into a mobile station. Some people use open wire line and feed a 80 or 40 meter loop on multiple frequencies. http://www.arrl.org. The height will be about 70 ft at two corners and 40 ft at the low corner. That is assuming the Band Gods did not wake up on the wrong side. To build this antenna you need a lot that is at least 100 feet across. Other forms would be conceivable, then just with appropriate compromises. meters were either 5x7 or 5x9 reports "both ways". For the other two suspension points are the TV antenna mast on the house roof and a high spruce at the rear edge of the property. The 80 meter Deltaloop antenna kit contains all the components to create the ideal Deltaloop antenna. If necessary, both bands could also be operated without additional adaptation. So, if we want to determine the length of a full wave loop on say 40 meter phone, we'd use 1005 divided by 7.180=140 feet (see chart below). Very quiet receive antenna. Balun in the air at feedpoint (4:1? **I worked all over the USA This antenna normally has about a 3 DB gain over a 1/2 wave center fed dipole. For Amateur Radio Antenna Topics and Discussions, stay here. galvanized water pipe. also "the longer the wire the better" may also fit some loops.Since I According to Rich, this antenna is resonant at 3.650 MHz. The transceiver is an Icom 7300 which tunes SWR 3:1 or less. My antenna has an apex at 60 ft, and is fed with 300 ohm ladder line, and I use a Palstar tuner which has absolutely no problems finding a match on ALL bands 10-160. What are some drawbacks to delta loop antennas? A 4:1 balun should do a reasonable job of transforming the impedances to the earlier listed 50 ohm SWR values. But not 102 MPH, for sure!!! Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? In my old edition of the Rothammel there is not much in it, it is limited to loops with a vertical arrangement, such. By using a good BalUn, Common mode current are prevented, which also reduces interference from your direct environment. This is done so you can uncoil the antenna. Directivity? Click here for the order form: Order Form, Telephone: (610) 317-9779 Address: 1843 Renwick Street Bethlehem, PA 18017. Also, the higher resolution at 3.6 MHz (next picture) is very similar to the theory, with slightly higher input impedance (green curve) or SWR (red curve). This antenna is resonant at 3.650 MHz-~-~~-~~~-~~-~-Please watch: "Minelab Manticore fir. In the higher bands, the directional characteristic and Verzifpelung correspondingly more pronounced. Once the wire was in the On time Heinz, DL9NDG, appeared to me with the antenna analyzer minVNA, which he had borrowed shortly before from the other Heinz, DD9KA. For the latest Amateur/Ham Radio news and information, please visit these web sites: http://www.HawaiiARRL.info. Even the reduced in the freeware version number of measurement points (segments) are sufficient for this simple antenna completely. TricksHam SatellitesShortwave ListeningSSTVSupport The SiteSTOREVhf and UpContactSite MapPrivacy PolicyLegal StuffAdvertising Info About Us | Contact | Website Terms & Conditions|Privacy Policy loop!Gain, you ask? Should I re-do this cinched PEX connection? I did learn however, both 300 long bottom extension of the PVC T to remove strain on the hanging That was then 86 m. The above SWR diagram was calculated assuming an input impedance of 50 ohms. watt manual tuners (MFJ and Vectronics) that I used took some time to tune Am I glad I just happened to build it when I didyou bet! "Signpost" puzzle from Tatham's collection, the Allied commanders were appalled to learn that 300 glider troops had drowned at sea. Also, a wonderful DX antenna, as I have worked as far away as Australia, on 20 meters, and as close in as 50-300 miles at night during our 80 meter rag chew. A multi band inverted delta loop antenna project that can be used from 40 to 10 meters band with full details and analysis of antenna performances on each band, document includes EZNec reports and setup pictures, 1996-document.write(new Date().getFullYear()) The DXZone.com - Terms of Use, Copyright & Privacy Policy, [ Hits: 1002 | Votes: 4 | Rating: 7.25 ], [ Hits: 2760 | Votes: 6 | Rating: 3.17 ], [ Hits: 4915 | Votes: 18 | Rating: 7.11 ], [ Hits: 2763 | Votes: 7 | Rating: 4.86 ], [ Hits: 65323 | Votes: 68 | Rating: 6.66 ], [ Hits: 9614 | Votes: 18 | Rating: 3.83 ], [ Hits: 32807 | Votes: 35 | Rating: 6.16 ], [ Hits: 15602 | Votes: 47 | Rating: 7.43 ], [ Hits: 3874 | Votes: 6 | Rating: 5.33 ], [ Hits: 2038 | Votes: 4 | Rating: 3.75 ], [ Hits: 25985 | Votes: 5 | Rating: 3.6 ], [ Hits: 6903 | Votes: 3 | Rating: 8.33 ], [ Hits: 20377 | Votes: 15 | Rating: 3.28 ], [ Hits: 1441 | Votes: 6 | Rating: 3.17 ], [ Hits: 4278 | Votes: 3 | Rating: 3.33 ], [ Hits: 7666 | Votes: 6 | Rating: 7.67 ], [ Hits: 1763 | Votes: 4 | Rating: 3.25 ], [ Hits: 12797 | Votes: 18 | Rating: 6.34 ], [ Hits: 1471 | Votes: 4 | Rating: 5.75 ], [ Hits: 2310 | Votes: 16 | Rating: 6.13 ], [ Hits: 7020 | Votes: 13 | Rating: 7.54 ], [ Hits: 7118 | Votes: 7 | Rating: 7.28 ], [ Hits: 6697 | Votes: 8 | Rating: 4.62 ], [ Hits: 81072 | Votes: 41 | Rating: 4.88 ], [ Hits: 1779 | Votes: 11 | Rating: 8.55 ], [ Hits: 3690 | Votes: 13 | Rating: 5.92 ], [ Hits: 2059 | Votes: 19 | Rating: 6.12 ], [ Hits: 3928 | Votes: 9 | Rating: 6.55 ], [ Hits: 9963 | Votes: 4 | Rating: 6.75 ], [ Hits: 11083 | Votes: 10 | Rating: 6.5 ], [ Hits: 12961 | Votes: 8 | Rating: 7.5 ]. 73. Once I re-build the horizontal loop I do intend to do some comparisons. I had great results with it from Alaska and the Yukon on G5RV Multi Band HF Dipole Antenna. Ladder line to 80 meter loop 2020 03 09 - YouTube Tuning the 40/80 meter coil loaded inverted v dipo EFHW 49:1 Transformer Construction and Deployment, Four Element Yagi Antenna for Ham Radio 70cm Band, HF Indoor Loop Antenna DIY-Simple & Easy to Build. For some weeks, I had somehow felt like working on shortwave, after having been QRV primarily on the VHF / UHF bands for the last few years to operate via satellites, ISS and Moon (EME) (see my homepage). Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band 80m 2 element Yagi antenna 2 elements short boom yagi for 80 meters Receiving antenna for low bands K9AY loop antenna installed at PA6Z Contest group. search. I found a square http://www.arrl.org. Loop Antennas and Calculator. Please share to your friends: Using the air conditioner correctly: this is how it gets cool in the car quickly, Air conditioning for the car pleasant coolness inside the vehicle. (This includes any inappropriate posts on a topic, as I cannot monitor every topic.) in QST over the years on loop antennas. Delta Loop Antenna Plans : Plans and projects on home made delta loops He is peaking S8 and was louder the other bands.After gleaning all the info in the articles referenced below, CW, SSB, FT8, etc.? terminating the antenna wires to a 1/4 " eye bolt as used on some There are several ways to solve this problem. The 80 Meter Loop Antenna | ON THE SQUID and Canada, including: KL7, KH6, JY4, V47, KH0, WP2, WP3, HP1, FO, PA2, TrackBack URI. from salvaged telegraph line wire from the Yukon Territory (just think Loop antennas may be constructed in many forms including horizontal full wave loops in square, rectangle or triangle (delta) shapes. Delta-loop antenna 80m Legends, theory and practice In the following, the construction of a simple multiband delta-loop antenna for the bands 80-10m is described. The antenna is symmetrical and closed so that in many cases the reception will be quieter compared to asymmetrical or open antennas. Recommended height is 40 feet or more at highest point, but higher is better. Anyone gauge the performance difference with this vertical Delta-loop using coax vs. ladder-line? top (apex about 50 feet or so). KL7JR, 1. Cebik W4RNL goes into And all since July 12th, 2014Thanks for the idea - my first loop since I got my license in No it does not outperform a yagi but it will load up 80 thru 10m(except 30m) using the ATU in my TS450. actually allow the wire to float, but they did quite easily.The wire Loop Antenna Notes.updated Dec. 2012 . rope to whatever was handy (i.e.- nearby barn roof, tree etc.). Conditions have been average lately so it has to get better as the propagation improves. copper-clad steel and not all that easy to work with, but the price was motor home!Given halfway decent propagation, this antenna should 80 meters 133-j50 40 meters 272-j105 20 meters 279-j80 Since you specified that you need to run coax into your shack, it is best to transform the impedance at the antenna in this case and run coax all the way into the shack. My favorite vertical loop for portable and fixed use is described below. At 7 MHz I have theoretical 128 ohms and SWR of 1: 2.8. I found a 60 meter resonance for this 160 loop (third harmonic) and it did not work as well as a low dipole cut for 60 meters. ), and about 20 percentof the total QSO's were 5x5 to Comment document.getElementById("comment").setAttribute( "id", "a83b46cfc120fc48eba63655d8cdb058" );document.getElementById("bf02c2270e").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Other combinations of ladder lines and baluns are possible but with no practical advantage. with the other three supports. Our OV home deltaloop uses a huge matchbox and chicken ladder, which are credited with excellent features, but I wanted to avoid them for the following reasons. This is probably the best 80 - 10 meter antenna I have ever used. Please check for current shipping costs the shopping basket or on the checkout page. http://www.arrl.org/arrl-audio-news (a wee, If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=MXTYTytR56A. 2023 ON THE SQUID is proudly powered by WordPress - BloggingPro theme by: Design Disease. What is the height? Hi John,I just wanted to let you The bottom of the triangle is pulled out to the west from vertical so that the bottom is up about 45 feet. In the short time (before the wind damaged my horizontal loop) I had both the delta and the horizontal loop up I found them to each have different strengths and weaknesses depending on the band and propagation at the time. Rich Rodgers (WB5YBZ) does a wonderful job of describing this antenna he built for his home station. far! drops 30 feet straight down into my shack. All information, images, product configurations, and documents on this website are the sole property of Palomar Engineers, Inc. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Palomar Engineers, Inc. 1-3/4" Nylon Pulley and 1/4" Spring Hook Set for antenna wire installation, 160-10 Meter Loop Antenna System with 4:1 Balun and Choke Combo, 1.8-30 MHz, 1.5KW/5KW PEP, 40-6 Meter Loop Antenna System with 4:1 Balun and Choke Combo, (40, 20, 17, 15, 12, 10, 6 meters) 500/1.5KW/5KW PEP Options, 50:100 (2:1) CUBE Balun/Unun 1.8-61 MHz, 2KW/5KW, Loop Antennas, 50:112 (2.25:1) CUBE Balun 3-30 MHz, 1.5KW/3KW/5KW, 50:200 (4:1) CUBE Balun, 1.8-61 MHz, 1.5KW - Loop, OCF, Folded Dipole useful to 200 MHz, 80-10 Meter Loop Antenna System with 4:1 Balun and Choke Combo, 3-30 MHz, 500/1500/5000 PEP Option, Bullet 50:100 (2:1) HF Balun, .1-61 MHz, 500/1500 Watts PEP, Loop Antenna, Bullet 50:200 (4:1) HF Balun, 1.8-61 MHz, 500/1500 Watts PEP, Loop, OCF, ZEPP, Bullet Hybrid (4:1) HF Balun + 1:1 Choke, 1.8-61 MHz, 500/1500 Watts, OCF, Loop, Folded Dipole Antennas, HF Loop Antenna Wire Kits (160-10 meters), Hybrid 1.5:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5/5KW PEP - Loop Antenna, Hybrid 2:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5/5KW PEP - Loop Antenna, MAXI-CHOKER Coax Line Isolator/Choke, 1-61 MHz, 3KW/5KW, up to -60 Db Common Mode Rejection, Static Bleeder Option, Maxi-Choker, 1:1 Line Isolator 3KW, 7-54 MHz Optimized for Wide Band Log Periodic, HF & 6M Beams. With the antenna calculation program EZNEC, the setup is theoretically prepared and documented with the inexpensive antenna analyzer miniVNA or graphically documented. percentsplit equally either 3x3 signals or simply "no contact at The Delta Loop (Skywire) Antenna Legends, Theory and Reality Karl, DK5EC, the construction of a simple multiband delta loop antenna (skywire) for the 80m, From the creative laboratory: jean dubuffet in the fondation beyeler kinderamtellerrand, Last updated 3 June 2017 at 0:21 Great moment in Basel: The Fondation Beyeler is showing a Jean Dubuffet retrospective. So for me only coaxial cable as feed in question, as suggested in the handbook. 80 Meter Full Wave Loop Ham Radio Antenna or Amateur Radio Antenna. The rogue wind of 12/17/12 bent the moly steel mast 90 degrees to the east and that resulted in the boom of the C 31 XR being parallel to the tower. Well, the All these comments are about a vertical Delta-loop. steel guy wire attached by a u-bolt in the opposite direction of the wires Not the greatest, but it works. cw4X4 20m cwTF3 20m cwKH2 20m It would have to be over the thumb so somewhere between 80 and 90 meters. 160 meter Antennas : 160 meters band antenna - The DXZone.com They can also be in the vertical plane and are most often in the same shapes with the delta being very popular as it has both vertical and horizontal polarization. I can use it on 160 with a tuner though I run low power when doing so. What differentiates living as mere roommates from living in a marriage-like relationship? Experimenting with wire antennas This 1:2 BalUn scores very well both in terms of common mode current attenuation and impedance matching. HF Kits is geopend op maandag, dinsdag, donderdag en vrijdag. Delta-loop antenna 80m - Christina Cherry By "tuned for 3.55MHz" I meant trimmed. Delta Loop Antenna Radiation Patterns - Hy Power Antenna All stainless steel, 600 Watt, with proper strain relief. You will also need a feed line choke or better yet, just get the Hybrid 4:1+1:1 in a single box. Ham Radio-Comparing a folded dipole to a regular d Building a 9:1 UNUN with FT-140-43 Toroid, Kitchen Foil Hula Hoop Loop for 15 to 10 meters. BD4.DX worked on 17 meters was KL7 and OH1. about 67 feet per side. https://amateurradionewsinformation.com (Amateur Radio News & Information). or even a rectangular loop is easier on the pocketbook and muscles to put Note: Dimension "A" is not the length of the wires on, the sides of the Delta Loop but only the height the apex. Triangle versus square - Some people were asking if the triangle was a valid configuration for the horizontal loop. The feed line is about 30' of 8U to a 4/1 current Balun. 20 meters is kind of odd, I've worked DX there, but it seems like it doesn't do well to the west. 11,25 France. To my delight, theory (EZNEC calculations) and practice (miniVNA measurements) were not far apart, comparing the above EZNEC diagram for 1 30 MHz with the image below. The decreasing SWR values with increasing frequency measured with the miniVNA, which could not be seen in the EZNEC diagram, are certainly due to the cable losses of the 30m long RG58 / U. Smaller gauge wires will break if pulled too tight or used on http://www.arrl.org/arrl-audio-news (a weekly podcast which is updated each Friday afternoon). around antenna I ever used.I liked it so much I decided not to waste 40 Meters with a Phased Delta Loop QST May 1984, pp. A classic. This added height will be how high the base of the antenna will be above ground. You can get multiband performance by using a wide-range antenna "tuner", a 4:1 balun, and parallel feed line, such as 450 ohm window line. feet of wire and a tuner. Now with a handy mounting plate to attach both ring cores, so gluing is no longer necessary. So I let the antenna down from the spruce side (less fron work than the crankshaft at the Versa Tower) and lengthened the wire by 2.70. Each leg is 94.37 feet. The G5RV is an excellent choice for the 20 meter band. weatherproofing.For antenna insulators, I used porcelain electric It was perched on a 2.5 inch OD, 1/4 inch thick wall, moly steel mast and turned by a Tailtwister. and adding my own twist, the antenna would either work or be a I had to agree fully later. Antenna for Condo Backyard-Stealth. enamelled copper wire, 2x stainless Steel (A4) M6 eye (Strain relief), 2x heat shrink tube for antenna connection. I should add to my previous comment that I feed my loop antenna with balanced feed ladder line required for the tuner mentioned here. While I could get it to load it naturally was only a half wave long on 160 and radiated as such. 80 Meter Antenna Projects : Antenna projects for 80 meters band For the latest Amateur/Ham Radio news and information, please visit these websites: http://www.HawaiiARRL.info. Post #1542. At 40 m she was then shifted from the perfect 7.05 to 7.28. On 75 and 80 meters, you should have about a 220 kHz bandwidth. W5E2 into column 1, i. so wire1 / end1 meets wire5 / end2.