The most common horizontallypolarized antenna on 2m is a yagi mounted so that its elements are parallel to the ground. It offers the lowest angle of radiation of any mobile vhf antenna and may very well be the best kept secret among those in the know. If so, ill show you how to build a two meter quarter wave ground plane antenna. Hustler antenna sf2 mobile antennas will make your 2meter mobile rig a real performer. The other vhf mode most new hams get started on the ham bands using fm, with 2m and 70cm being the most popular bands.
This link is listed in our web site directory since saturday feb 17 2007, and till today 58 collinear antenna has been followed for a total of 59629 times. A fiveelement quad antenna for 2 meters by jim reynante. Dualband mobile antenna 2m70cm vhfuhf ham radio, 7149, 437480 mhz, magnet base pl259 connector, 10 ft rg58 cable. These 58 wave antennas are bangforthebuck bargains with good gain, durability, and a standard threaded base find hustler antenna sf2 mobile antennas sf2 and get free standard shipping on.
It works like it should, and i have not yet been able to test it on the 70cm band yet since i do not have a 70cm radio. To do the antenna takes a half of hour and to tune the antenna also takes a half of hour. I have a 58th over 58th vertical collinear antenna hanging in a tree at some 30 odd feet high, but i never heard anything on it, except on fm. The ladder yagi in the march 1995 issue of qst magazine. When i had a real home with outdoor antennas i used to like grid hunting on 144mhz ssb and cw. Book depository books with free delivery worldwide. With a 1064m2 14 acre town block with a depth of 60mtr 200 i intended to improve on my previous all band hf doublet with an antenna that would be suitable for all the hf amateur bands, including the so called warc bands and including the 160 metre band. This antenna delivers good performance and has a respectable swr curve over the entire 2 meter band. This page contains construction details on a 2 metre 144mhz vhf yagi beam antenna, designed for portable use. This mobile antenna consists of a carbon fiber composite reflector and back beam mounted on a cabledriven, elevationoverazimuth positioning system. Collinear 58wave omni antenna for 2 meters radioaficion. All you need is two rabbit ear antennas from radio shack, two catv baluns, four feet of 34 cpvc pipe with one tee, and a bit of time. We can also provide you with custom settings to suit your operating preference such as peaking your gain and fb in the cw portion or the phone portion of the band.
This antenna is unique in that it is enclosed entirely in 34 pvc which makes the design a little more complicated. Do you want to transmit a stronger signal to the repeaters. Our flagship model, the two meter jpole antenna comes in two different configurations, either as a one piece antenna for base station use, or as a two piece breakaway model great for portable operations the jpole makes a great base station and emcomm emergency communications amateur radio and scanner antenna. A tree friendly 2 meter halo antenna amateur radio qrp.
There fore, the inductive reactance required to cancel the mounts capacitive reactance is 60 to 120 ohms. I realized id judged the book by the cover for i found the construction to be quite sturdy. M2 antenna systems 2 meter ho loop is a horizontally polarized omnidirectional antenna. A 2meter vertical dipole array, kg4jjh page 1 of 6 a 2meter vertical dipole array build this 2 or 4element vhf repeater antenna with up to 9. About 58 collinear antenna the resource is currently listed in in 3 categories. Pg1ns ham radio site 2m projects omnidirectional antennas. A fiveelement quad antenna for 2 meters by jim reynante, kd6glfpo box 27856san diego, ca 92198 if your station is located on the fringe of the repeaters coverage area, youve come to the right place. The success of the three previous editions of practical antenna handbook has been most gratifying. Whats best for a good strong receiving, transmitting 2 meter base station, currently using a 14 wave mag mount on a flat pancake shaped air vent on top of the house, i hav a 2 meter dipole, jus havent put it up yet. They confirmed that the types of people who buy the book meet the profile above. Tuning is accomplished by sliding the feed point i where the coax is clamped to the antenna cither up or down to secure ihe best match.
A portable 2element vhf yagi may, 1997 heres a simple saturday project. Clerks in radio stores told me that this book was outselling other titles 2. Designed for hanging from any handy support and can be hung from trees, used inside motel rooms or as a stealth antenna. Meantime, below youll find a brief history of the cubical quad. This is a great way to get started using vhf simplex and repeater communications. The relative results are also valid for a highergain antenna or a dual band antenna while used on 2 meters. This graph is from the arrl antenna book fig 36, p 236. The following article provides the details of the novel homebrew 2metre antenna that we used to leap the pond. Numerous and frequentlyupdated resource results are available from this search.
Primarily a dipole, the jpole antenna exhibits a mostly circular pattern in the h plane with an average freespace gain near 2. A halfwave antenna for your 2 meter handheld radio ham. I know there are a few of us on the forum who are indeed ham radio operators or are involved with radiocommunications ive been licensed since 1992 with my g7 callsign as im in rented accommodation, installing a fullscale scaffold pole with lots of. I dont have the arrl book here so i cant look up the original article and am. You can buy expensive aftermarket products based on a 19 inch 14 wave antenna or. The iba5 indoor cb antenna works great when you cant put a base antenna outdoors. Constructing a simple 58 wavelength vertical antenna for. The lower cone is a decoupling sleeve for the antenna mast. The highest cone is to form the lower half of a half wave vertical element. The firestik 2meter antenna is an omnidirectional antenna for the 144 to 148 mhz, 2 meter amateur band. Antenna projects for 144 mhz category is a curation of 148 web resources on, the tiny 3, feed line dipole for 2 meters, ocf 2 meter sleeve dipole antenna. Everyday low prices and free delivery on eligible orders.
The success of 2m ht contacts will generally be based on the quality of the ht antenna, which in most cases is a base loaded 14 wave. Buy products related to 2 meter antennas and see what customers say about 2 meter antennas on free delivery possible on eligible purchases. To evaluate a vhfuhf antenna on a car, we only need to look at the horizontal aziyour 2 meter mobile antenna. The goal here is to put up a cheap, easy, and quick 2meter antenna that is simple and unobtrusive, but works quite well. However, even without repeaters available, the 2meter band provides reliable crosstown communications throughout smaller towns, making it ideal for emergency communications. This month i decided to build a 2 meter 54 wave antenna. Would the dipole be better than mag mount 14 wave currently running or is there another antenna better than the 2 options i hav. This was created as a fun project to demonstrate how to enjoy operating hf in the field with a homemade portable antenna without spending a ton of money. Amazons choice for 2 meter base antenna comet original gp1 146446 mhz dual band heavyduty fiberglass vertical base antenna 4 2, so239 connector 4. Your 2 meter mobile antenna whats the best mounting. Hustler antenna sf2 mobile antennas sf2 free shipping. This book will show you how to get the most that the buddipole has to offer.
Constructing a simple 58 wavelength vertical antenna for 2 meters. When an antenna is shorter than 90 degrees, it looks capaci. Many rason members truly enjoyed last months collinear antenna. Magnetic mobile antenna ham radio 2 meter 70 cm 140 to 150 and 440 to 470 mhz. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Jpole antennas for 2 meters this paper describes two types of 2 meter jpole antennas, one made of copper pipe and a rollup jpole made of tv twin lead. Scott andersen is licensed under a creative commons attributionnoncommercialno.
A simple 2m moxon antenna heres a simple 2 meter beam for use indoors. For many years amateur radio operators have raved about firestik 2meter mobile antennas model 2m4 because of its outstanding performance. The general dynamics satcom technologies lightweight 2. The table top version in figure 2 the 2 element beam version infigure 3. A simple 2m moxon antenna indoor antenna help by k2zs. In any case, we believe the antenna we used was key to our success. Firestik 2m4b 2 meter 58 wave antenna walcott radio. An ultralight yagi for transatlantic and other extreme dx. A tree friendly 2 meter halo antenna having purchased an allmode, allband 160m 70cm transceiver, i became curious about what 2meter weak signal operations have to offer. I still get on and have regular conversations with my elmer, wg2b. Rate this site with 10 top the hb9cvbeam is a 2elementyagi with two driven elements and was introduced by rudolf baumgartner, hb9cv, in the 1950ies. A cubical quad antenna is a four sided, square version of a folded dipole.
Measurements and simulation confirm the quarterwave stub modifies the circular hplane pattern shape increasing the gain slightly on the side of the j stub element and reducing the gain slightly on the side opposite the j stub element. Table top wire version above using a dowel or other simple base. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. The main category is collinear antennas that is about collinear antennas. A halfwave antenna for your 2 meter handheld radio when teaching tech license classes, i always tell the students that the rubber duck antenna that comes standard with a handheld transceiver ht is a very convenient crummy antenna. I went googling recently to find the dimensions for a 58th wave whip for 2 metres 146 mhz and came away disillusioned. The jk402 is a short boom 2 element 40m yagi that has excellent gain and fr. One user was so elated with the performance of the mobile whip that they pieced together a base antenna that used the mobile whip as its radiating element. It was with surprise and delight that i noted that clerks in one radio. Cushcraft a14810s 10 element 2 meter yagi antenna, 144148mhz. Is your ham radio ht rubber ducky letting you down. So how do you improve the quality of your signal when using a ht.