2m 70cm Base Antenna Homebrew

2M Aluminum Slim Jim Antenna. High Gain Dualband 2/70cm Base Antenna. When I got my ticket, I searched around for a design of a 2 Meter Antenna. Home Brew HF Buddi-Pole antenna. It is constructed of 2 lengths of "Box" steel inserted inside of each other. Pull the wire out and away from the rivet. Since we position antennas the highest we can, there must be a conductive element that acts as a reflective ground. the 2 meter beam. Seven good ideas for amateur radio operators forced due to space restrictions, to operate on HF and VHF ham radio bands from apartments with heavy antenna limitations The hexagonal beam (or known by many as the hex beam) has become a wildly popular antenna. Both are installed in the attic and I was hoping to replace the jPole with this antenna. Details about DBJ-1 Dual Band VHF/UHF 2 meter/70cm ham base antenna Radios Wifi Ham Radio Antenna Survival Tips Survival Stuff Two Way Radio Cell Phone Service Outside Antenna Writing Services This antenna was featured in the Feb. Fed with better coax, and being on top of a small East Anglian "hill" (rather a contradiction) it should be a useful antenna to work the occasional contest and hunt some DX in an opening. Boost your signal with our selection of VHF/UHF beam antennas! We offer a huge selection of Yagi antennas, including cross-polarized and circularly polarized, from top brands like M2 Antennas, Cushcraft, MFJ, and Diamond Antenna. It’s a good length for making a groundplane-independent dual-band antenna for the 2m and 70cm bands, and as a bonus is nice and lightweight, and flexible. Find many great new & used options and get the best deals for Comet Gp-15 Base Antenna 6m/2m/70cm 8ft at the best online prices at eBay! Free shipping for many products!. My next project will be either a 2 meter band version of this or a 3 element beam of this 70cm band Quad antenna. amateurradio. 25M Vertical: X500HNA Vertical 2m/70cm: X510M/X510NA 2M/440 Vertical: X700HA 2M/440 Vertical: X2200 2M/220 Vertical: Maldol: HS-WX3 2M/440 Antenna: Nil-Jon Antenna: Super M 2M/440 Antenna: Par: SM-50 6m Stressed Moxon: S9: S9v18/S9v32/S9v43 HF Vertical Antennas : Super Antenna: MP1 Portable 40-6 Meters : Please. The 2 meter J-Pole works great on the 70cm band as a dual band antenna, but sometimes you may want a 440MHz dedicated antenna. It can satisfy needs on most situation. A view of the Head with the antenna's, reflector and counterweights showing. telephone: 0121 766 8146. The SIMPLE 2m/440 Copper pipe "J" Can you use a pipe cutter or a hack saw, can you solder - then here is how to build a SIMPLE "J" antenna that will more than double your 2 meter (and even 440) performance! by Dale "Kuby" Kubichek, N6JSX. Please note: Not all unblock requests will be successful as it is dependent on how your IP address is being blocked. Low resistance grounding at the antenna base is essential for optimising performance as well as minimising noise and RFI. your antenna elevated and away from any nearby metal objects (such as aluminum siding and automobiles), place an SWR meter in the line between your transceiver and the antenna. Comet GP-3 Dual Band 2m/70cm Vertical Fiberglass Base Antenna for Ham Radio. 2m / 70cm 9 elements yagi (#1) (February 2012) Some time ago I decided to get a new 2m antenna, one which would enable me to work more DX stations, in particular the ones in and around the United Kingdom. Dual band HB9CV. This well-designed black anodized antenna can handle less-than-perfect weather and highway speeds. They are especially designed for amateur radio, with the following characteristics: Switchable polarisation possible (hor, vert, circ. this is the best dual band j-pole ever built 2m - 70cm direct connection beam dimenisions. I used 1″ thin-wall PVC pipe, aluminum tape, and RG-8X coax. All Elk 2M/440L5 models come with a handle for handheld operation, making this antenna perfectly set up for satellite, DFing, and very portable operations. I wanted an antenna that was simple, horizontally polarized and omni directional. 0 SWR bandwidth is fairly narrow, so you need very accurate measurements constructing this antenna. Antenna for 70 cm 432-440 MHz is a curation of 55 resources about , 432 MHz 5 elements Yagi, DG7YBN - GTV 70-2m, 432 MHz yagi antenna, Experimental Patch Antenna, Ground Plane for 70 cm. I modeled this with 4nec2. 2 METER SSB SQUARE LOOP From N4UJW 2m Quagi By W5UN 2M Yagis a Bunch-- From The Antenna Elmer 2M Quadix-- from Ross W1HBQ 2m 8db collinear for portable use. Arrow antenna makes a 2m/440 j-pole, which at $49. ME-270 2m/70cm base colinear A high quality 2/70 base station colinear antenna only 1. 6pf, and around a 50% efficiency. The design is by John VK2ZOI, who has excellent documentation and a step-by-step construction guide on his website here. of a antenna analyzer or 70cm swr bridge. Up for sale is my used Diamond X510MA dual-band VHF (2-meter) and UHF (70cm) Ham Radio base station antenna in good condition. on 23 cm (1200 MHz), making the antenna an excellent candidate for ATV repeater use. What I came up with was a trapped end fed folded dipole. Home-brew design and modification princiiples 2m 70cm Gentleman's Walking Stick The Quadrafiler Helix (QFH) as a 2 Meter Base Station Antenna QST Cover Plaque. 0 out HYS VHF UHF Mult-Band Mobile Radio 2 Meter & 70cm Antenna 37. 08 inches for the longer of the two 3/8″ rod elements. After consulting with Jason at M2 Systems, we settled on the spacing between the three antennas on the mast – 6 ft between the 70cm and 2m beams and 10 ft between the 2m beam and the SteppIR DB36 which will be just above the top of the tower. HT Antennas JTH2 144/220/440 HT Antenna SMA Connector: JTH4 2m/70cm HT Antenna, female SMA for Wouxun Boefeng, etc: JT524SMA 2m/70cm Dual Band Antenna 7 1/2" JT776SMA 2m/70cm Dual Band Antenna 15 1/2" RH771 2m/70cm Dual Band Antenna 15 1/2" BNC connector. 10W Micro-Diplexer for 2m / 70cm. doc (kh6htv, 8/13/17) p. 5dB 150W GP Ant. I asked Comet about making a single compact unit that takes 2m/70cm on one port and 1. A Five-Element, 2-Meter Yagi for $20 element to the boom and discard the ele-ment. Antenna was designed for SO-50 satellite operation. Acheap alternative for a DIY gain antenna would be something like he measuring tape yagi. 2m Projects - Omnidirectional Antennas A Simple 2 m/70 cm Vertical Dipole Antenna by KGØZZ The Qyadrifilar Helix as a 2 Meter Base Station Antenna by W6NBC. 6dB Gain on 70cm) with RG58 feedline and a pigtail from PL259 to SMA male. Cushcraft ARX-450B Vertical,Monoband,Indep 70cm,7,Ringo II DIAMOND BC-205 70cms and PMR UHF Base Antenna 200W Diamond F-22 2m Base Vertical Colinear. Adjust the. 2m / 70cm 9 elements yagi (#1) (February 2012) Some time ago I decided to get a new 2m antenna, one which would enable me to work more DX stations, in particular the ones in and around the United Kingdom. Each Antenna quality tested. I was surprised that I could further reduce my desense by pointing my disconnected 2m/70cm beams at a right angle to my Lindenblads. Resources listed under Antenna for 2 meters category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Â In mountainous areas the pattern will not reach. In FM broadcast, the antenna is usually mounted to the mast near the top. See more ideas about Ham radio antenna, Ham radio and Ham. When I tried running 100 watts to my 2 meter omni antennas, severe desense blocked my 70cm downlink receiver. Ground-plane Antennas for 144, 222 and 440MHz For the FM operator living in the primary coverage area of a repeate r, the ease of construction and low cost of a 1/4-λ ground-plane antenna make it an ideal choice. 25m on the other. Hi there I like to build a Homebrew 2m, 70cm mobile antenna with a BNC plug to put onto a magnetic base that has the BNC ready for it. I proceeded to make a very heavy dipole from copper pipe, akin to the type used for J-poles. Base Antenna 2m/70cm/23cm Learn More. Boost your signal with our selection of VHF/UHF beam antennas! We offer a huge selection of Yagi antennas, including cross-polarized and circularly polarized, from top brands like M2 Antennas, Cushcraft, MFJ, and Diamond Antenna. It takes years of Experience, Hard work, Commitment and above all a continuous Passion for the hobby. With all that said, I would suggest keeping that TYT quad band as a home base station. 6 1/4" for the 70cm side 18 5/8" for the 2m side An even simpler, less expensive build is coming soon as well as an antenna building class for the local HAMS to build their own, permanent mount. http://www. I am working with others in my area on a 2m/440 simplex network for emergency situations. Length Foot Wind MPH; X30A: 2m / 70cm: 2m: 1 1/2l 70cm: 2 5/8l: 3. All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Cushcraft. anttron (tnt) twist n tune. I still had the coax outside on the roof and the pole which were both used previously for my 2m/70cm co-linear, which has been relocated to the chimney, so once it was built, it was simple enough to put up. In order to connect a 2m/70cm radio and a 1. It's relatively easy with a little math, a few items from the hardware store, and an afternoon. No-compromise yagi for 2m and 70cm, consisting of a 3-element yagi for 2m range and a 6-element yagi for 70cm. With the HB9CV design, both elements are fed phase shifted, achieving a relatively high gain of about 5. I will use my FT-817 at 1 watt to drive the 23 and 13cm transverters via the duplexer. This makes the two invis- ible to each other. In a short vertical antenna the Earth current = Antenna current. Loading Unsubscribe from w7lpn? Making dual band (2m/70cm) antenna elements from welding rod - Duration: 10:00. In FM broadcast, the antenna is usually mounted to the mast near the top. Homebase antennas for use on 2m, 70cm, 6m and HF bands. I'm planning on mounting my ground radials at a 45 degree angle out from the base mount. If you want 75 Meter operation make it 57 ft long. Please note: Not all unblock requests will be successful as it is dependent on how your IP address is being blocked. M3FVB 3 element 2-meter Yagi-- From The ARRL 5 element 2-meter Yagi-- From The ARRL 2M 9 Element Yagi 5/8-WAVE COLINEAR "OUTSIDE PVC" 2-METER 146 MHz FM J-POLE Via KB1DIG & KB1GTR. SHARMAN'S X-200 2M/70CM; SHARMAN'S X-200 2M/70CM BASE ANTENNA; £69. home made collinear antenna. It's relatively easy with a little math, a few items from the hardware store, and an afternoon. diy collinear. A unique method of fastening and isolating the elements to the boom is detailed and presented to the builder. Describe your experience with the MFJ-1524 2 meter/70 cm base antenna and tell us why you give it the rating you did (required). Hams should know that a quarter-wave element for 2m VHF will also work as a three-quarter-wave element on 70cm UHF. This simple ¼ wave antenna is cheap and easy. Bandwidth is normally 10 MHz. Plans are available on my QRZ page (AG6IF) but if you just want to buy one ready to go, this is it. Seven good ideas for amateur radio operators forced due to space restrictions, to operate on HF and VHF ham radio bands from apartments with heavy antenna limitations The hexagonal beam (or known by many as the hex beam) has become a wildly popular antenna. One practical concern when comparing the 70-centimeter band to the 2-meter band is that a quarter-wavelength antenna is much less unwieldy at 70 centimeters than it is at 2 meters. With twice the gain of a standard J-Pole antenna, the 2 meter Slim Jim antenna is a J-Pole on steroids! The Slim is an end-fed folded dipole antenna that has a gain of 6 dbi and a nice low RF take off angle. Repeater Antenna Systems. VHF/UHF Long Yagi Workshop Yagi plans and notes for 6m, 2m, 70cm and 23cm. I have a Chinese copy of a Diamond X-6000 (2m/70cm/23cm) vertical, which I have just the one RG-213 coax from. It is important to note that …. Order Code: ME270 Price £37. Built with same materials by the hundreds. My workshop under the garage needed to have a separate antenna, preferably hung from a nearby tree. The ring gasket makes the antenna water-proof, and. HB9CV antennas are used for direction finding or small portable antennas. The cables are then fed through the wall of my shack. Add to Wishlist | Add to Compare; Diamond X-700H. Why don't they publish them along with their slick advertising? Anybody can claim an antenna has a huge amount of gain. Buy Diamond X510HDM Base antenna, 2m/70cm, UHF, 17ft at Walmart. In a short vertical antenna the Earth current = Antenna current. I don't have antenna restrictions in my community,and plan to mount it on the chimney. In all cases I'm running 5 watts or less. They work very, very well and will give you years of good service. A mast or tower is simply the thing that holds the antenna up off the ground. It is a directional antenna that provides great performance. Today, I’m going to show you how you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. Up for sale is my used Diamond X510MA dual-band VHF (2-meter) and UHF (70cm) Ham Radio base station antenna in good condition. Found a simple plan online and I used a piece of scrap wood for a boom and some 12 gauge copper wire that I had left over from another project for the elements. concrete "bulls-eye" was planted on the ground for use as a positioning reference point. EasyTalk Mobile Antenna 2 m 70 cm Duoband VHF UHF Radio Antenna Long for Car Mobile Radio FT-8900R TYT TH-9800 Wouxun KG KG-UV950p KG-UV920R QYT KT-7900D KT-UV980 Plus. A 1KW Palomar Linear Amplifier hooked to the Icom. See you on 2 fm! Notes "5/8-Wavelength Vertical. Hands down best 2 meter base vertical antenna. Arrow antenna makes a 2m/440 j-pole, which at $49. This month I decided to build a 2 meter 5/4 wave antenna. The top part of the main element was the 70-cm j-pole and was fed via coax through the main element. If you are in a search for an Ideal Beam Antenna; you can go ahead with this project. 5 metres of ladder line as the main antenna that can roll up neatly in a coil and can be used hanging from a curtain rail above a window, dropped down from a tree, or taped to the side of a fishing pole and raised into the air. 4 dbi on 432! It appears that the SWR on 70cm is very dependent on the length of the 432 driver and its distance from the 144 driven element. 9Hz for Hampshire) which is much better as I remember during some really good atmospherics you could end up talking through 2. Length Foot Wind MPH; X30A: 2m / 70cm: 2m: 1 1/2l 70cm: 2 5/8l: 3. 5 out of 5 stars 37. AN-40 70cm Antennas. Home-brew design and modification princiiples 2m 70cm Gentleman's Walking Stick The Quadrafiler Helix (QFH) as a 2 Meter Base Station Antenna QST Cover Plaque. I've had one for several years. This makes the two invis- ible to each other. For contests, I mount a 6m Moxon, 2m, 1. My main shack location has a commercial 2M J-Pole Dual band mounted on a short mast. If you surfing our website, you accept that we use them. It allows the simultaneous operation of 2 different equipments (HF and VHF/UHF) over one coax cable, or the use of 2 antennas of the corresponding bands with one coax cable. VY1YU Yuuri, 2m J-pole Homebrew 2m J-pole [buddi-pole components] (click on small pictures) Tried to build a bottom-fed J-type antenna for 2m, using various buddipole elements, but the shortest elements are just a bit to long to get it to be resonant on the 2m band. 95 Quantity: A range of high quality base station antennas suited for amateur radio use. Bandwidth is normally 10 MHz. coaxial is shorter. In order to connect a 2m/70cm radio and a 1. It is important to note that …. 5 metres of ladder line as the main antenna that can roll up neatly in a coil and can be used hanging from a curtain rail above a window, dropped down from a tree, or taped to the side of a fishing pole and raised into the air. Antenna gain is measured in either dBi or dBd. 9 Inch 144/245/430Mhz Whip Antenna for. V/u Dual Band Antenna 2m 70cm , Find Complete Details about V/u Dual Band Antenna 2m 70cm,Dual Band Antenna 2m 70cm,V/u Dual Band Antenna,Base Station Antenna Design from Antennas for Communications Supplier or Manufacturer-Quanzhou Truest Communication Co. October 27, 2015 at 10:41 AM. Shakespeare big stick base station antenna from all payments must be submitted within 2 days a. This antenna is 58 ft tall and is mounted on a hinged base. Seriously, if you are not on a budget, Diamond and Comet make excellent 2m/440 antennas in several gain configurations. This antenna meets the demands set by ARES/RACES group for ruggedness, easy deployment, and performance. I've always liked 80 meters, but because the lack of antenna, I've only had a possility to RX this great band. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. The 2M antenna you already have is probably vertically polarized since that is what we use for 2M FM, both mobile and base stations. On the shack side is an aluminium plate with a SO239 barrel connector for each antenna. It's relatively easy with a little math, a few items from the hardware store, and an afternoon. HT Antennas JTH2 144/220/440 HT Antenna SMA Connector: JTH4 2m/70cm HT Antenna, female SMA for Wouxun Boefeng, etc: JT524SMA 2m/70cm Dual Band Antenna 7 1/2" JT776SMA 2m/70cm Dual Band Antenna 15 1/2" RH771 2m/70cm Dual Band Antenna 15 1/2" BNC connector. Dual Band Yagi antenna 2m/70cm This antenna already keep it in my store for long time, It is time to "make up" Hi hi. Get the Diamond X-300 2m/70cm Fibreglass Antenna from Nevada Radio, with cheap flat-rate delivery and rapid despatch Search: Nevada Radio › Amateur Radio › Antennas › Base Antennas ›. Fortunately there is an antenna that is inexpensive and simple to build with a minimum amount of parts and tools. Mick Stwertnik told me that they. With all that said, I would suggest keeping that TYT quad band as a home base station. 5" total length. Working Subscribe Subscribed Unsubscribe 265. (Make sure the one end Female that can be mounted thru a hole. Contact one of your local Diamond® Antenna Dealers for current price & availability. Hi, can anyone tell me if it is possible to use a multiband VHF/UHF antenna with the TS-2000. Use a screwdriver and pliers to re-lease one wire from beneath one of the rivets on the 58-inch element. 30 Amp Power Supply $99. 060 MHz and 442. I don't have antenna restrictions in my community,and plan to mount it on the chimney. This antenna makes a thoughtful gift for the two-way radio enthusiast in your life. The 2 Meter band tape measure beam antenna is a 3 element Yagi with about 7. M0ZPH 2m ( 144MHz ) / 70cm (430 MHz) Coax Collinear. Photos for illustrative purposes only - actual items may differ from photo. Since an old 5 element version (v1) of my antenna was shown in the July 2011 edition of RadCom, a few people have contacted me asking for some information on how it was constructed. Here, you'll find links for mobile antennas covering vhf-uhf. Looking for a homebrew dual band 2m/70cm antenna project. The 70 CM band may be limited. Shop Cushcraft VHF/UHF Base Antennas and get Free Standard Shipping on orders over $99 at DX Engineering! Cushcraft 6M/2M/70cm Multi-Band Beam Antennas are. It works the 6 meter, 2 meter and 70 centimeter bands. Just getting it higher up off the ground will achieve really good resukts. Hams should know that a quarter-wave element for 2m VHF will also work as a three-quarter-wave element on 70cm UHF. 2m/70cm 24 Watt Dual Band Mobile $139. 5 out of 5 stars 37. HYS TC-MS9 VHF UHF 2M/70CM SMA-Female Antenna with 3inch Magnetic Base Mount and 5M/16ft RG-58 Cable for Baofeng,WOUXUN,Kenwood Dual Band FRS GMRS Walkie Talkie. In addition, specific models mentioned in the Antennas forum Like diamond dual band mobile antennas,and more are here for future reference. And I prefer something omnidirectional. 6dB Gain on 70cm) with RG58 feedline and a pigtail from PL259 to SMA male. Aug 7, 2019- Explore centerfirenotw's board "homebrew antennas" on Pinterest. I like to use a home made current choke to keep RF from coming back on the feedline. This is my first home brew “DIY” antenna for use on local 2 meter repeaters and simplex frequencies. A portable dual band j-pole antenna Home Brew VHF UHF dual band antenna Contructing precedure and tune up of a dual band mobile antenna. On the shack side is an aluminium plate with a SO239 barrel connector for each antenna. I wanted an antenna that was simple, horizontally polarized and omni directional. Some pictures of my new antenna:. Enter the desired frequency. Most Comet mobile antennas over 29″ length have a fold-over hinge built into the base section of the antenna. 5m fibreglass rod which I thought was too good to just cast away. Now transmit and check the SWR reading. This antenna is similar in construction to the 2-meter OFC sleeve dipole I built over 8 years ago, but it is a simple center-fed dipole. the 2 meter beam. 95 Quantity: A range of high quality base station antennas suited for amateur radio use. It is NOT an automatic fold-over, you must manually lift the element up out of the socket and lay the antenna whip down in order to enter garages, parking structures etc…. It's relatively easy with a little math, a few items from the hardware store, and an afternoon. The antenna has a UHF connector and accepts a mast diameter of 1. Enables the antenna to maintain the same strength as one with one piece structure. 1296 mhz collinear antenna with coax. Premium quality anttennas for two bands. paul faulkie1970. will become the base for your. I don't have antenna restrictions in my community,and plan to mount it on the chimney. you will find this portable "J" will far exceed any other antenna, in the same setup, more than tripling your 2m & 70cm (440MHz) performance! Here is my step-by-step to make a portable (or base) ¾" copper-pipe "J" that breaks down into four (~24" long) pieces for easy transporting. Welcome to the Diamond Antenna vhf-uhf mobile antenna page. HB9CV for 2m, 70cm and 23cm. 10m/6m/2m/70cm --/--/2. 2M and 70cm bands are pre-set at the factory and there are no adjustments. On the shack side is an aluminium plate with a SO239 barrel connector for each antenna. ICOM ID-5100A Deluxe Touchscreen 2m/70cm, 50W Mobile w/D-STAR. 2m / 70cm 9 elements yagi (#1) (February 2012) Some time ago I decided to get a new 2m antenna, one which would enable me to work more DX stations, in particular the ones in and around the United Kingdom. In amongst the “junk” going to the tip was this ~1. Antenna projects for 144 MHz is a curation of 146 resources about , Simple VHF Antenna, Dish antenna for 2 meters band, OCF 2 Meter Sleeve Dipole Antenna, The Tiny 3, 2m Big Wheel Antenna. Some pictures of my new antenna:. telephone: 0121 766 8146. airband transceivers radios & antennas AMATEUR ANTENNAS & ACCESSORIES AMATEUR RADIO RECEIVERS AND TRANSCEIVERS. A view of the Head with the antenna's, reflector and counterweights showing. Antenna gain is measured in either dBi or dBd. It can produce similar results to a commercial version and be made from scraps of coax. 6m/2m/70cm Yagi Antenna Built from Old TV Antenna by KGØZZ This turned out to be a great little antenna. 0 out HYS VHF UHF Mult-Band Mobile Radio 2 Meter & 70cm Antenna 37. Today, I’m going to show you how you can easily build a homebrew 2 Meter ¼ Wave vertical antenna for under $10. Loading Unsubscribe from paul faulkie1970? Cancel Unsubscribe. It provides no GAIN as compared to other multi-section design. MFJ Deluxe Versa Tuner 949D Antenna Tuner. Adjust the. See more ideas about Ham radio antenna, Ham radio and Ham. The best antenna is the one you just made a contact with. I will use my FT-817 at 1 watt to drive the 23 and 13cm transverters via the duplexer. (I like the 14" dual band ones from Ebay. V/u Dual Band Antenna 2m 70cm , Find Complete Details about V/u Dual Band Antenna 2m 70cm,Dual Band Antenna 2m 70cm,V/u Dual Band Antenna,Base Station Antenna Design from Antennas for Communications Supplier or Manufacturer-Quanzhou Truest Communication Co. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Base Antenna 2m/70cm/23cm Learn More. After a few talked he gave us an article about vertical antenna that he took from the internet. 6m/2m/70cm Yagi Antenna Built from Old TV Antenna by KGØZZ This turned out to be a great little antenna. Free DBJ-1 Dual Band VHF/UHF 2 meter/70cm ham base antenna. Making a Coaxial Dipole If you start with a common half wave (λ/2) stainless whip and extend it all the way down through a λ/2 long support tubing, Homebrew Coaxial Dipole for VHF or UHF Here's a base station antenna you can easily build for 146, 220 or 440 MHz. Antenna diplexer for 145 and 434 MHz This diplexer can be used for combining 2m and 70 cm rigs (such as Moppe MC25 and RD58) into a common antenna or alternatively for using separate 2m and 70 cm antennas with a dual-band 145/434 MHz rig. QUICK, CHEAP AND NASTY ANTENNAS. Fortunately there is an antenna that is inexpensive and simple to build with a minimum amount of parts and tools. Ground-plane Antennas for 144, 222 and 440MHz For the FM operator living in the primary coverage area of a repeate r, the ease of construction and low cost of a 1/4-λ ground-plane antenna make it an ideal choice. Despite some antenna gain hype, the Diamond Antenna CP22E 2m base station antenna is a remarkable design achieving 5 dBi directivity in a slim low-profile design. I did consider building one, but I rejected that idea given the rather extreme wind conditions here. Dualband 2 meter and 70cm base antenna Our Discount Price $209. 70cm FM link (EchoLink K5TRA-R) operation and 2M remote base - Diamond X-50 V-polarized omni, 2M / 70cm FM operation Diamond X-50 V-polarized omni, 2M / 70cm FM operation (yes, another) Diamond X-50 V-polarized omni. Homebrew 2 meter Amateur Radio Antenna from Ordinary TV Rabbit Ears antenna Short on a good and reliable antenna for your amateur radio operation ? Here's how to make a simple 2 meter amateur radio antenna from ordinary tv antenna (Rabbit Ears Antenna). 2 / 440 surprise! 2 / 440 vertical. Boost your signal with our selection of VHF/UHF beam antennas! We offer a huge selection of Yagi antennas, including cross-polarized and circularly polarized, from top brands like M2 Antennas, Cushcraft, MFJ, and Diamond Antenna. Find many great new & used options and get the best deals for Diamond X510HDN Dual Band Vhf/uhf 2 Meter/70cm Amateur Ham Radio Base Antenna at the best online prices at eBay!. 6db, 432Mhz 5. Â However, keep in mind that a high-gain antenna pattern has narrow elevation angle. This is my first home brew “DIY” antenna for use on local 2 meter repeaters and simplex frequencies. Homebrew dual band vertical dipole for 2m & 70 cm. CAR ANTENNA A SIMPLE, EASY TO GET GOING, HOMEBREW WHIP ANTENNA. I proceeded to make a very heavy dipole from copper pipe, akin to the type used for J-poles. All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. 2 METER SSB SQUARE LOOP From N4UJW 2m Quagi By W5UN 2M Yagis a Bunch-- From The Antenna Elmer 2M Quadix-- from Ross W1HBQ 2m 8db collinear for portable use. I have a 5/8th over 5/8th vertical collinear antenna hanging in a tree at some 30 odd feet high, but I never heard anything on it, except on FM. Three di. DIAMOND X7000 Antenna 144 / 430 / 1200MHz 2m / 70cm / 23cm We use own and extern cookies to offer you the best experience and service. One of the members commented to me that I should write an article about collinear arrays so that we could all build our own. Enter the desired frequency. 2m antenna 2m dipole antenna 2m Slim Jim Antenna 2m SOTA Antenna 6m Band 6m opening 6M SOTA Antenna 6M vertical antenna 23cm antenna 23cm SOTA 23cm SOTA antenna 23cm Yagi 50 MHz Band 70cm Band 70cm SOTA Antenna 80m SOTA Antenna 144 MHz 2m Dipole Antenna 430 MHz Band 500 mW 1296 MHz Aircraft Enhancement Amateur Radio Austria Bimberi Wilderness. 4% similar) Power with : 150 Frequency mhz : gain db The Surmen max-1 dual-band mobile antenna for 2m 70cm this ground-independent features a fold-over design and pl-259 connector. I wanted an antenna that was simple, horizontally polarized and omni directional. Each model is fibre glass encapsulated and is supplied complete with mounting hardware. Describe your experience with the MFJ-1524 2 meter/70 cm base antenna and tell us why you give it the rating you did (required). KG7TUO 17,228 views. 060 MHz and 442. And pulled the gardening wire back through the hole in the fibreglass pole with the antenna wire. F23A 2M Base Vertical: X220A 2M/1. com: 2m 70cm base antenna. 95 is a bargain and an excellent antenna. My Elk 2m/70cm satellite antenna, with 15 degrees fixed elevation (close-up view) - Ham Radio Picture - At MyHamShack you get a free personal web page for your shack - Your Shack. 144 MHz 2m dipole for SOTA Simple 144 MHz 2 metre dipole for mounting on a telescopic fishing pole or as we call them in Australia a 'squid pole'. Mine is on a push-up pole about 20' up (base of antenna) and can work repeaters for many miles or 2m simplex for over 50 miles. Home Brew dual band antenna Generally speaking, this is a dual band design focused with better performance on UHF. Matching is excellent on all three bands and can be tuned independently. All of the 1/4-wave and 5/8-wave antennas that are commonly used for 2M mobile work are. M3FVB 3 element 2-meter Yagi-- From The ARRL 5 element 2-meter Yagi-- From The ARRL 2M 9 Element Yagi 5/8-WAVE COLINEAR "OUTSIDE PVC" 2-METER 146 MHz FM J-POLE Via KB1DIG & KB1GTR. We invite you to JOIN today so that you can post and interact with our members. Making a Coaxial Dipole If you start with a common half wave (λ/2) stainless whip and extend it all the way down through a λ/2 long support tubing, Homebrew Coaxial Dipole for VHF or UHF Here's a base station antenna you can easily build for 146, 220 or 440 MHz. (Some other designs have two feeders which would be a pain with my rigs. You will talk further, longer, clearer on all modes - FM, SSB, CW- hear weak signals better than you’ve ever heard before!. It requires no radials, is. I separated my uplink and downlink omni antennas by 30 feet, which reduced my mode JA desense. Felix Meyer = HB9ABX, (31. A unique method of fastening and isolating the elements to the boom is detailed and presented to the builder. I searched the internet and books high and low to no avail. The higher gain antennas have a lower vertical beamwidth. The SCATA system here is using them all over the city. Why buy one? YAGI CONSTRUCTION (especially 2m and 70cm) A couple of quick ideas on how to make them. And I prefer something omnidirectional. My Arrow-Style VHF/UHF Portable Satellite Antenna By: Bertrand Zauhar, VE2ZAZ One of the pleasure of working the amateur radio satellites is making contacts in a portable application and with QRP power. AN-40 70cm Antennas. Construction You’ll need hangers that are 16 inches wide; the 18-inch kind because they ca not be tuned to 2 meters. When I tried running 100 watts to my 2 meter omni antennas, severe desense blocked my 70cm downlink receiver. Try not to damage the rivet. The antenna I constructed was made of 1/2" tubing. Antenna projects for 144 MHz is a curation of 146 resources about , Simple VHF Antenna, Dish antenna for 2 meters band, OCF 2 Meter Sleeve Dipole Antenna, The Tiny 3, 2m Big Wheel Antenna. by Al Peter, AC8GY. 25m / 70cm mobile antenna that I'm thinking on making into a home-brew base antenna. This is designed for stationary use. Depending on the 2 meter and 70cm frequencies you choose for tuning your antenna, you might have to compromise a little. I separated my uplink and downlink omni antennas by 30 feet, which reduced my mode JA desense. I will use my FT-817 at 1 watt to drive the 23 and 13cm transverters via the duplexer. Pen shows the point where the PVC Radome will be cut. com - The full service computer and amateur radio store. Enter the desired frequency. Matching is excellent on all three bands and can be tuned independently. You'll transmit a powerful signal and receive weak, distant stations clearly. Any ideas? My homebrew 2-meter j-pole (made from 450-ohm ladderline) is also resonant on its 3rd harmonic, 70cm, and has reasonably low swr on both bands.