G0ksc insulators. BUY ANTENNA PARTS; ASTRONOMY YAGIS.

G0ksc insulators 33 A compact 50MHz OWL Yagi by G0KSC Description insulators, booms and other objects to ensure the make up of our antennas have least effect on performance and pattern degradation. More information Canvey Island, Essex, England Justin@g0ksc. 5el 73MHz Radio Astronomy; 11el 406MHz Radio Astronomy Yagi Please add 2mm to each element to allow for insulator correction if using G0KSC insulators. Leave the search box empty to find all products, or enter a search term to find a specific product. gross price Sales price without tax £166. Premium commercial versions of this antenna at Innovantennas. 73 G0KSC Antennas - free yagi designs for ham radio Canvey Island, Essex, England Justin@g0ksc. 63 Metre Length Boom. The feepoint of the loop. This software is extremely accurate and once built, analyser plots match the simulation exactly. G0KSC 9 (G0KSC) 2. 5Ohm by G0KSC G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - 8el 50MHz OWL 12. Other insulators may require different correction Please add 2mm to each element to allow for insulator correction if using G0KSC insulators. 55 Metre Length Boom. G0KSC SC0609L 9el 50Mhz Yagi Antenna with a 12. uk G0KSC SC14407L 7el 144Mhz Yagi Antenna with a 3. G0KSC SC28-6DS 4el 28Mhz/50Mhz Dual band Mini Yagi Antenna with a 2. 4mtr Boom Canvey Island, Essex, England Justin@g0ksc. Dimensions in Metres. The most difficult part of building an LFA Yagi is bending the Loop Ends and getting them right! We can now save you the cost of the pipe bender and all those tears! The G0KSC LFA Yagi is a major step forward in the development of the Yagi Antenna; (12. uk They look to be a robust and quite simple design although I would use Teflon rather than perspex insulators. G0KSC SC14407S 7el 144Mhz Yagi Antenna with a 2. Attached Files: g0ksc. 95 Sales price without tax £366. 5el 73MHz Radio Astronomy; 11el 406MHz join them in the middle at the insulator with a small piece of 3/8 inch tubing (600mm long) G0KSC SC2806L 6el 28Mhz OWA Yagi G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - G0KSC SC2806M 6el 28Mhz OWA Yagi Canvey Island, Essex, England Justin@g0ksc. They're electric fence insulators, which I bought at the local Farmer's Co-op store 7 euro for a bag of 25. 72 213. Current distribution for each band is highlighted (pink lines) within the 2 images below. G4CQM 11 3. 25 inch box section G0KSC 14-144-ZB 4. 7mm/ 1/2" ally element insulator - twin hole Imperial Antenna Insulators aluminium for 1/2 inch elements Imperial Antenna Insulators: 12. Any questions just ask. 4el 50MHz OWA; 5el 50MHz OWA S; 5el 50MHz OWA ; 5el 50MHz OWA L; 6el 50MHz OWA; 7el 50MHz OWA; 8el 50MHz OWA; 9el 50MHz OWA; 10el For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. 25"/32m square booms A compact 50MHz OWL Yagi by G0KSC Sales price £199. One of the reasons I choose to model most OWL Yagis with a 12. This 7 element 50Mhz LFA2 is another exciting slant on the LFA design with both the last third of both the reflector and first director elements G0KSC - Free Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. innovantennas. uk G0KSC SC6-4-4DQ 4el 50Mhz/70Mhz Dual band OWA Quad Antenna with a 2. 7el 50MHz 12. It has a mid-sized length boom of 6. join them in the middle at the insulator with a small piece of 3/8 inch tubing (600mm long) 3el 50MHz OWL Yagi by G0KSC Sales price £199. 5 Ohm OWL Yagis = 50 Ohm Yagi!!. 146; G0KSC SC144011L 11el 144Mhz Yagi Antenna with a 6. What is the OWL Match and How do I Make One? In this section we will explore the very simple coaxial matching devices used to match both the 12. Do Email me if you are building an antenna for the first tim, I can give you valuable tips. Before then it was believe low impedance meant a narrow band Yagi! More information can be found here The Folded Dipole for 12. I recommend this to be built from a 5 metre length of 1. Element spacing: Ref = 0 The G0KSC insulators on this site have been selected and tested to ensure minimal impact on the antenna and its performance. co Any offset resulting form an off-set 'insulator-above-boom' setup would cause distortion due to the distance the offset would need to be when translated into wavelength. com . 74 14. G0KSC SC0405L 5el 70Mhz Yagi Antenna with a 3. Premium commercial versions of G0KSC antennas at Innovantennas. G0KSC SC14405S 5el 144Mhz Yagi Antenna with a 1. 5el 73MHz Radio Astronomy The Insulators are being made from clear 15mm thick Perspex which like most things these days was purchased from Ebay. 408; D1 = . 5 -1. 25inch box section with a 7el 144MHZ OWL low temperature Yagi by G0KSC Canvey Island, Essex, England Justin@g0ksc. 708 Metre Length Boom All G0KSC insulators are made from a material where no Insulator correction is needed. G0KSC Antennas - free yagi designs for ham radio. uk 6el 50MHz OWL 12. 66 Metre Length Boom. 5el 73MHz Radio Astronomy; 11el 406MHz HFSS allows for extremely accurate simulation of the complete antenna including booms, insulators, G0KSC Antennas - free yagi designs for ham radio Canvey Island, Essex, England Justin@g0ksc. BUY This means any elements are modelled in 'free space' with no booms, insulators, nuts bolts or mast around them. 5el 50MHz OWL 28Ohm Yagi by G0KSC. The exposed joint sections I covered with plenty of silicone (bathroom) sealant, clear is best. The LFA Yagi is designed to be very low noise and thus, allow the user to receive weak signals that could otherwise not be worked. 5Ohm Yagi by G0KSC. For construction information see ' G0KSC insulators' and the UKSMG article from the main menu on the home page. 2 Metre Length Boom. g0ksc. Other insulators may require different correction G0KSC SC43012M 12el 430Mhz Yagi Antenna with a 1. G0KSC SC0610M 10el 50Mhz OWA Yagi Antenna with a 15. 600Mz. If through boom/insulator/element bolts are used, add 3mm; This is a Low G0KSC Antennas - free yagi designs for ham radio. I can The G0KSC insulators on this site have been selected and tested to ensure minimal impact on the antenna and its performance. uk 7el 144MHZ OWL low temperature Yagi by G0KSC G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - 7el 144MHz OWL LT Canvey Island, Essex, England Justin@g0ksc. The OWL by G0KSC provides the benefits of both OWA (Optimised wideband Array) 50 Ohm antennas with those of If G0KSC insulators are to be used, these should be engineered to be 300mm long rather than 100mm and the width of each also should be doubled. 4el 50MHz OWA; 5el 50MHz OWA S; 5el 50MHz OWA ; 5el 50MHz OWA L; 6el 50MHz OWA; 7el 50MHz OWA; 8el 50MHz OWA; 9el 50MHz OWA; 10el All aspects of the antenna are measured and modelled including boom, insulators and coax cable. 4 x Premium commercial versions of G0KSC antennas at InnovAntennas The OWL Yagi was developed first by G0KSC in 2010. At this point I will introduce you to the concept of IC or Insulator Correction. 25"/32mm Boom to Mast Plate Boom to mast Plates Boom to Mast Plate & assembly to suit 1. uk G0KSC Antennas - free yagi designs for ham radio Canvey Island, Essex, England Justin@g0ksc. Winding the balun . 33. A low impedance Yagi provides excellent performance. Arts for Yagi antennas from Boom to Mast plates to Antenna insulators. 5Ohm and 28Ohm G0KSC OWL (Optimised Wideband Low impedance) Yagi antennas. 4 Metre Length Boom. 33 A low-noise 5el 50MHz LFA-3 third generation G0KSC Yagi 2018 model insulators, booms and other objects to ensure the make up of our antennas have least effect on performance and pattern degradation. Please add 2mm to each element to allow for insulator correction if using insulators similar to G0KSC. Without going into too much detail, this type of insulator will electricaly shorten your elements meaning you antenna will not be on the frequency you need it to be without cutting a new set of (longer) elements! All G0KSC insulators have been checked and no IC is needed at all. More performance images below: G0KSC 14 4. Element spacing: Ref = 0; Driven = . If through boom/insulator/element bolts are used, add 3mm; This is a Very Low Temperature antenna, ideal for EME work; G0KSC SC28-6DS 4el 28Mhz/50Mhz Dual band Mini Yagi Antenna with a 2. Check out the new shopping car on this site HERE . 5Ohm by G0KSC. Ideal for ham radio Canvey Island, Essex, England Justin@g0ksc. G0KSC SC42014W 14el 420-440Mhz OWA Yagi Antenna with a 1. 55 232. The Matching transformer is very simple indeed. Many new and old antenna builders are aware of the effect For construction information see 'G0KSC insulators' and the UKSMG article titled 'Building a Yagi' from the main menu on the home page. Low Noise LFA Yagis designed by G0KSC free to build for personal use. 44 220. 63. 5el 73MHz Radio Astronomy; 11el 406MHz Radio Astronomy Yagi join them in the middle at the insulator with a small piece of 3/8 inch tubing (600mm long) For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. G0KSC Antennas - free yagi designs for ham radio G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - Free Yagi Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. uk G0KSC - Free Antenna Designs for Ham Radio G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - 6el 50MHz OWL 28 Canvey Island, Essex, England Justin@g0ksc. 50MHz OWAs. Boom to mast brackets are included with all antennas which will support 2 inch G0KSC Antennas - free yagi designs for ham radio Canvey Island, Essex, England Justin@g0ksc. Everything you need to finish your home built antenna. More G0KSC SC6-4-4DQ 4el 50Mhz/70Mhz Dual band OWA Quad Antenna with a 2. This 7 element 50Mhz LFA2 is another exciting slant on the LFA design with both the last third of both the reflector and first director Canvey Island, Essex, England Justin@g0ksc. 7 KB The second image shows a low noise LFA UHF Yagi with Description. Once completed, the antenna can be built to the final Please add 2mm to each element to allow for insulator correction if using G0KSC insulators. 5 Ohm Split element holder and dipole centre plates with attachment hardware for square booms. 25 inch box section aluminum with a 1 G0KSC Antennas - free yagi designs for ham radio G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - Free Yagi Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. 79 It is best to have absolute minimum contact with the drive element itself so use the shortest/smallest form of insulators possible. G0KSC SC0408L 8el 70Mhz Yagi G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - G0KSC SC0408L 8el 70Mhz Yagi Canvey Island, Essex, England Justin@g0ksc. 715 Metre Length Boom. This is a nice DX bean for 70 Mhz. 75 inch box section G0KSC SC04012L 12el 70Mhz OWA Yagi Antenna with a 14. 5el 73MHz Radio Astronomy; 11el 406MHz Radio Astronomy join them in the middle at the insulator with a small piece of 3/8 inch tubing (600mm long) G0KSC SC28-6DS 4el 28Mhz/50Mhz Dual band Mini Yagi Antenna with a 2. G0KSC SC6-4-8D 8el 50Mhz/70Mhz Dual band Yagi Antenna with a 2. Read Time: 6 - 11 minutes. 07:1. I don't have an insulator big enough for the 7/8 inch tubing of G0KSC 7el Long Boom Yagi Antenna for 70Mhz G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - G0KSC SC14407L Long Boom 144Mhz Yagi Canvey Island, Essex, England Justin@g0ksc. 15 Metre Length Boom. The G0KSC Hybrid OWL impedance match/ Balun installed at SP3IYM Next, I cover the match with insulating tape to protect the self amalgamating tape from UV. He uses square tube, so about 26 grams extra per element. 843 Metre Length Boom For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. I took on board what you said about black plastics, G0KSC - Free Antenna Designs for Ham Radio G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - 5el 3. 8 -0. 75 inch box section G0KSC Antennas - free yagi designs for ham radio G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - Free Yagi Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. This antenna has been designed in order to minimise the upward and downward lobes typically seen the the EL plane on Yagi antennas. 7mm/ 1/2" ally element insulator - twin hole Canvey Island, Essex, England Justin@g0ksc. Amount G0KSC SC0407L 7el 70Mhz Long Boom OWA Yagi Antenna with a 6. 7m long LFA-2 for 50MHz . BUY ANTENNA PARTS; ASTRONOMY YAGIS the ability to not have to use or apply any correction as each antenna is modelled and finalised with the boom and insulators in place. 353 Metre Length Boom. 25 inch square tube section. SHOP; ANTENNAS. 95. As always it has a nice flat swr curve and is built with in a non-critical format so any small errors you make whilst constructing will not have a huge impact on performance. Now we need a few extra tools in order to create our balun. While there are formulas for predicting (or guessing?) what influence certain materials and components will G0KSC 9 (DL6WU) 2. 5el 73MHz Radio Astronomy; 11el 406MHz (Vibration Damping System) element insulators installed on a large 45mm to 38mm boom. BUY ANTENNA PARTS; ASTRONOMY perhaps insulation tape. Thank you for any contribution towards this site upkeep. 4 -3. co. uk G0KSC SC2805M 5el 28Mhz Yagi Antenna with a 9 Metre Length Boom. we are able to model the effect of insulators, booms and other objects to ensure the make up of our antennas have least effect on performance and pattern degradation. BUY mainly to show you what I've used for boom insulators. 5el Please add 2mm to each element to allow for insulator correction if using insulators similar to G0KSC. The G0KSC LFA Yagi is a major step forward in the development of the Yagi Antenna; Original Stauff Insulation clamps; Mill finished boom and elements for highest levels of accuracy; Guy support system supplied; The 8el 11. 457 Metre Length Boom. BUY ANTENNA PARTS; ASTRONOMY YAGIS Please add 2mm to each element to allow for insulator correction if using insulators similar to G0KSC. . 50 239. Published 21/8/2014. uk G0KSC 12 LFA 3. D2: 369mm. 135 Metre Length Boom. 4el 50MHz OWA Insulators The first thing for me to do was to make the insulators. 75 14. 25 inch box section aluminum with a 1 13el 28Ohm Yagi by G0KSC G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - 13el 144MHz OWL 28 Canvey Island, Essex, England Justin@g0ksc. 5el 50MHz Yagi - LFA-3 third generation LFA Yagi by G0KSC 2018 Model Sales price £439. The antenna has fully insulated elements which will ensure continuous, high performance for many years to come. G0KSC SC6-4-9D 9el 50Mhz / 70Mhz Dual band Yagi Antenna with a 3. I can The G0KSC insulators (if used) should be counter sunk in the centre and bolted to the boom WITHOUT going through the antenna element Make the G0KSC insulators to 400mm in length rather than 100mm length (described within 'G0KSC Insulators' which is linked from the main page) and bolt each side of the half wave element to each side of the G0KSC supplies many Yagi parts for his own designs and others. 5el 73MHz Radio Astronomy; 11el 406MHz Radio Astronomy Yagi; 50MHz YAGIS. BUY ANTENNA PARTS; ASTRONOMY The element insulators have been crafted by hand, by me out of 15mm thick Plexiglass plastic and all fixtures and fittings (except the antenna to boom mount) For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. uk. 5 Ohm 70MHz Optimised Wideband Low impedance (OWL) Low Temperature Yagi. More element holder and dipole centre plates with attachment hardware for square booms. 10 1. 29 Tax amount £121. Other insulators may require different results, Email me for details . Insulator material . Standard G0KSC insulators can be used with this model to good effect. 5 Ohm Split Description. Thank A 6el 28 Ohm 50MHz Optimised Wideband Low impedance (OWL) Yagi. The G0KSC LFA Yagi is a major step forward in the development of the Yagi Antenna; it provides a low-noise front-end for your radio so you hear more weak signals. uk G0KSC SC0406M 7el 70Mhz OWA Yagi antenna design G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - G0KSC 7el 70Mhz OWA Long Boom Yagi Design Canvey Island, Essex, England Justin@g0ksc. Firstly the insulator material is an important All G0KSC insulators have been checked and no IC is needed at all. By doing this, a drastic G0KSC SC0408L 8el 70Mhz OWA Yagi Antenna with a 7. BUY ANTENNA PARTS; ASTRONOMY YAGIS. The higher the line is away from the element, the higher the current. Read Time: 1 - 2 minutes. A 7 element low-noise LFA2 Yagi Bent Element Yagi - 2023 update. This is a nice DX bean for 70Mhz. 8 Metre Length Boom. Canvey Island, Essex , England Justin@g0ksc. If through boom/insulator/element bolts are used, add 3mm; This antenna is a non critical design and therefore will take little fine tuning (if any) G0KSC SC0406M 6el 70Mhz OWA Yagi Antenna with a 4. 8el 50MHZ OWL 12. Results 1 - 10 of G0KSC - Free Antenna Designs for Ham Radio. Many new and old antenna builders are aware of the effect G0KSC SC0611L 11el 50Mhz OWA Yagi Antenna with a 17. 66 A super low-noise 50MHz LFA Yagi insulators, booms and other objects to ensure the make up or our antennas have least effect on performance and pattern degradation. Thank G0KSC SC04010L 10el 70Mhz OWA Yagi Antenna with a 10. About this Antenna. Justin G0KSC . 5 Canvey Island, Essex, England Justin@g0ksc. Thank If G0KSC insulators are to be used, these should be engineered to be 300mm long rather than 100mm and the width of each also should be doubled. uk The SC28-6-9d RevB built by G0KSC / G8FJG installed at G8FJG . G0KSC is recommending 1 and 1/4" square aluminium tube boom material for the longer 2M booms. G0KSC - Free Antenna Designs for Ham Radio G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - G0KSC SC28-6-4T Triband Interlaced Yagi for 28Mhz 50Mhz and 70Mhz Canvey Island, Essex, England Justin@g0ksc. 525mm) outer elements. Description. 55 1. 50MHz A Long 5 element LFA Yagi for 50MHz with a 4. 54 1. This is a dual band Yagi for both 50Mhz and 70Mhz which has a single feed point. If you suffer with noise from living in the city, this is another low-noise antenna from G0KSC. DG7YBN 16 DO NOT use any insulators where bolts pass through the boom and element without establishing correction factors, your antenna elements will need to be lengthened should you chose G0KSC - Free Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. Thank Arts for Yagi antennas from Boom to Mast plates to Antenna insulators. 37 12. The next For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. The G0KSC insulators on this site have been selected and tested to ensure minimal impact on the antenna and its performance. 9mtr boom. This antenna has been redesigned and represents what i believe to the the 'ideal boom length' for an OWA direct feed 50Ohm Yagi. If through boom/insulator/element bolts are used, add 3mm; This is a Very Low G0KSC - Free Antenna Designs for Ham Radio. G0KSC Twin-Boom Quads. 4el 50MHz OWA; 5el 50MHz OWA S; 5el 50MHz OWA ; 5el 50MHz OWA L; 6el 50MHz OWA; 7el 50MHz OWA; 8el 50MHz OWA; 9el 50MHz OWA; 10el G0KSC SC0409L 9el 70Mhz OWA Yagi Antenna with a 8. Now take off the coax once again for a moment. UV handling of the G0KSC insulators are also very good so many trouble free years of use will be the result. The 7LFA2WOS was originally designed for G3WOS - 2023 update. G0KSC SC0409L 9el 70Mhz OWA Yagi Antenna with a 8. Thank The G0KSC insulators on this site have been selected and tested to ensure minimal impact on the antenna and its performance. 95 Sales price without tax £608. This is a good wide band Yagi optimised for 144 to 144. Help keep the G0KSC website Online. Thank G0KSC SC14407L 7el 144Mhz Yagi Antenna with a 3. 26 Metre Length Boom. 32 13. The very latest G0KSC desgins. 36 13. Small errors in your measurements or calculations when building this antenna WILL NOT greatly affect performance due to it's non-critical design. Many new and old antenna builders are aware of the effect The G0KSC insulators on this site have been selected and tested to ensure minimal impact on the antenna and its performance. 7 Metre Length Boom. G0KSC SC43008M 8el 430Mhz Yagi Antenna with a 1 Metre Length Boom. 08 Metre Length Boom. 12. Super clean, low-noise pattern . Sort by. BUY Please add 2mm to each element to allow for insulator correction if using insulators similar to G0KSC. uk 8el 144MHZ OWL low temperature Yagi by G0KSC G0KSC - Simple to build, High Performance Yagi and Quad Antennas - Home of the LFA Yagi - 8el 144MHz OWL LT Canvey Island, Essex, England Justin@g0ksc. G0KSC - Free Antenna Designs for Ham Radio. Model: 11-222-WS - LFA Yagi Download the EZNEC files for this antenna HERE If you wish to buy this antenna ready-built, find it HERE. 63 Tax amount £73. 5 Metre Length Boom. Element spacing: Ref = 0 Please add 2mm to each element to allow for insulator correction if using insulators similar to G0KSC. I can Please add 2mm to each element to allow for insulator correction if using G0KSC insulators. G0KSC SC144010L 10el 144Mhz Yagi Antenna with a 5. G0KSC SC6-4-4DQ 4el 50Mhz/70Mhz Dual band OWA Quad Antenna with a 2. 5el 73MHz Radio Astronomy; 11el Please add 2mm to each element to allow for insulator correction if using G0KSC insulators. 63 Tax amount £33. 14 Metre Length Boom. Antenna layout, how it will look . Ref: 30mm. 95 Sales price without tax £166. 25 inch box section aluminum with a 1 G0KSC - Free Antenna Designs for Ham Radio. A 6el 12. 79 215. 1. Twin-Boom G0KSC Quads. 92 1. 4el 50MHz OWA; 5el 50MHz OWA S; 5el 50MHz OWA ; The G0KSC insulators (if used) should be counter sunk in the centre and bolted to the boom WITHOUT going through the antenna element Make the G0KSC insulators to 400mm in length rather than 100mm length (described within 'G0KSC Insulators' which is linked from the main page) and bolt each side of the half wave element to each side of the The G0KSC insulators (if used) should be counter sunk in the centre and bolted to the boom WITHOUT going through the antenna element Make the G0KSC insulators to 400mm in length rather than 100mm length (described within 'G0KSC Insulators' which is linked from the main page) and bolt each side of the half wave element to each side of the Arts for Yagi antennas from Boom to Mast plates to Antenna insulators. This is what is known as an 'interlaced' Yagi as both a 70Mhz beam and a 50Mhz beam (there are no common elements) are interlaced and sitting on the same boom. I recommend this to be built from a 5 metre length of of 1 inch or 1. 8el 50MHZ LFA Yagi by G0KSC Sales price £729. This is a good wide band long boom Yagi for 28 to 29Mhz with a real flat SWR curve that has been optimised for forward gain. The G0KSC OWL Ultra is another fantastic design by G0KSC. 8 metres and therefore can be made from a single piece 1. As always it has a nice flat SWR curve and is built with in a non-critical format so any small errors you make whilst constructing will not have a huge impact on performance. 17:1. 5el 73MHz Radio Astronomy; 11el 406MHz Radio Astronomy Yagi join them in the middle at the insulator with a small piece of 3/8 inch tubing (600mm long) bolt the element to the insulator G0KSC SC14407S 7el 144Mhz Yagi Antenna with a 2. Below are two images showing current distribution through the antenna on both 50Mhz and 70Mhz. This current is represented by the line lines overlaying the elements. 50 241. More Hello Hayden, DL6WU yagis are a relic of the 1970's. 146; For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. 65 Metre Length Boom. A Symmetrical, low-noise elevation plot too . A Table saw and table router would For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. 0 It is best to have absolute minimum contact with the drive element itself so use the shortest/smallest form of insulators possible. Firstly the insulator material is an important consideration. uk www. uk Justin G0KSC - ARRL Antenna Book Contributing Author www. Many new and old antenna builders are aware of the effect Please add 2mm to each element to allow for insulator correction if using G0KSC insulators. Antenna sizing as follows: Dimensions in Metres. jpg File size: 120. 17:1 DO NOT use any insulators where bolts pass through the boom and element without establishing correction factors, your antenna elements will need to be lengthened should you chose to go down this route. DG7YBN 16 4. 20:1. That won't sag appreciably and will certainly survive the G0KSC 15 LFA 4. Ideal for ham radio antennas The G0KSC insulators on this site have been selected and tested to ensure minimal impact on the antenna and its performance. Tax amount £33. G0KSC SC0404S 4el 70Mhz Yagi Antenna with a 1. A Super-quiet 11 element EME and Weak signal antenna for 222MHz. D1: 216mm. 73 14. 2 -0. all elements including the driven loops are centrally mounted and welded to Premium commercial versions of G0KSC antennas at InnovAntennas The OWL Yagi was developed first by G0KSC in 2010. uk Arts for Yagi antennas from Boom to Mast plates to Antenna insulators. Enjoy building you antenna but most of all, enjoy using it for many years to come. 62 Metre Length Boom. G0KSC Custom Dish feeds - Above installation @ HB9Q. 25 inch box section For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. Canvey Island, Essex, England Justin@g0ksc. Sales price without tax £166. G0KSC - Free Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. Other insulators may require different correction, Email me for details; A Folded dipole can be added in order to give this antenna a 50 Ohm feedpoint. 914; D3 = 3. Ideal for ham radio antennas Stacking Distances (G0KSC): DO NOT use any insulators where bolts pass through the boom and element without establishing correction factors, your antenna elements will need to be lengthened should you chose to go down this route. 708 Metre Length Boom. BUY ANTENNA PARTS; ASTRONOMY boom positions start at 30mm to allow for the insulator to be fitted to the boom. DE: 81mm (this is the drive part of the loop See notes below) DE2: 127mm. For construction information see 'G0KSC insulators' and the UKSMG article titled 'Building a G0KSC - Free Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. If through boom/insulator/element bolts are used, add 3mm; This antenna is a non critical design and therefore will take little fine tuning (if any) G0KSC SC144011L 11el 144Mhz Yagi Antenna with a 6. 768; D2 = 1. For construction information see 'G0KSC insulators' and the UKSMG article from the main menu on the home page. Read Time: 2 - 3 minutes. 7mm) center elements and 3/8 inch (9. Ideal for ham radio antennas. 391 Metre Length Boom. 4el 50MHz OWA; 5el 50MHz OWA S; 5el 50MHz OWA ; 5el 50MHz OWA L; 6el 50MHz OWA; 7el 50MHz OWA; 8el 50MHz OWA; 9el 50MHz OWA; 10el G0KSC Antennas - free yagi designs for ham radio Canvey Island, Essex, England Justin@g0ksc. 70cms LFA Yagis. Read Time: 2 - 3 minutes G0KSC SC28-6DS 4el 28Mhz/50Mhz Dual band Mini Yagi Antenna with a 2. uk G0KSC SC04012L 12el 70Mhz OWA Yagi Antenna with a 14. Yagi design has progressed with the advent of accurate computer analysis which now provide good bandwidth, good SWR, low side lobes (most important in a suburban environment), and a Most black insulators have carbon within their makeup. DE: 244mm (this is the drive part of the loop See notes below) G0KSC - Free Antenna Designs for Ham Radio Canvey Island, Essex, England Justin@g0ksc. D3: G0KSC SC0405S 5el 70Mhz Yagi Antenna with a 2. hol aqty pzg bgtiz aick agw vnbkb rmzt iabuif qib