Patch in antenna with mfj

Founded in a small, rented hotel room in 1972, mfj enterprises has grown into a worldwide leader for amateur radio components. 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. Requires optional radio patch cable with pl259 connectors. Base fixed location antennas antennas antenna systems.

Describe your experience with the mfj 2990 vertical antenna and tell us why you give it the rating you did required. Mfj mfj2982 antenna hf vertical multi band, mfj2982. It turns a random wire into an effective antenna that works. It consists of a flat rectangular sheet or patch of metal, mounted over a larger sheet of metal called a ground plane. All information, images, and documents on this website are the sole property of mfj enterprises, inc. This is a quick heads up on field testing of the modified mfj 1026 phasing unit done on saturday, july 26, from the robbins road holmes field beachdxpedition site located off route 3a in plymouth, ma approx. An automatic antenna relay switch is used to automatically ground the sdrs antenna input whenever the tx capable radio transmits in order to protect the sdrs. Consider the microstrip antenna shown in figure 1, fed by a microstrip transmission line. Maybe drill two holes for coax bulkheads i only plan to use one at the moment for my 6m2m440 vertical above the radio room, some allthread bolts and wing nuts for one or two balanced feedlines my main reason to even do this, a ground bolt and a random wire bolt allthread also and. Mfj enterprises original mfj 1778m g5rv junior wire antenna 4010 meters, 52 ft long.

Maybe the mfj will improve the tuner so that no damage to meter will occur if one fails to change the output setting. Broadband vertical antenna with no ground radials is super easy to assemble. Mfj 929, mfj 939y, mfj 991b, mfj 993b and mfj 998 auto antenna. If the antenna size is congruent to the wavelength in question, it is more likely it will do a good job. One plate is larger than the other, which is called ground plane and. Mfj1786 loop antenna my stealth antenna installations. Describe your experience with the mfj1788 super hiq loop and tell us why you give it the rating you did required. This deluxe high power antenna transceiver switch has two ceramic rotary switches that let you select 1 to 6 antennas and 1 to 6 transceivers in any combination. Mfj4706 6position coaxial patch panel radioworld uk. Mfj amateur and cb radio antenna matcher matchbox 1080m. The mfj 2286 for top portable performance, carry a big stick. Each device is then available on the front panel and can be connected to any other device using a short coax patch cable.

Fixedmount cb radios free delivery possible on eligible purchases. Mfj enterprises inc,ameritron,hygain,hygain,cushcraft,vectronics,mirage, mfj, mfj enterprises, antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier. But we need antenna, with the mfj 1708sdr you can share your favorite hfvhfuhf antenna with an sdr. Field testing comments the mfj 1026 phasing unit by mark connelly july 28, 1997. I have been browsing through some verticals that gave me sticker shock but found two that might fit the bill. You can read your antenna s swr and complex impedance 530 khz to 230 mhz continuously with no gaps. Well, i bit the bullet today and placed my order with mfj for an mfj 1786 magnetic loop antenna.

Mfj does sell an optional bci filter unit for the 259b which eliminates the problem. Microstrip antennas are becoming very widespread within the mobile phone market. If i am reading the manual correctly, the length is 2. Review and modifications by phil salas ad5x while wandering around the mfj area at dayton 2005, i saw several new products that got my attention. The patch antenna, microstrip transmission line and ground plane are made of high conductivity metal. I used am using this mfj 1786 antenna at various qths from a mountain top overlooking the great smoky mountains national park, to our beachfront condo 100 yards from the gulf of mexico to our current home in potomac, maryland 15 miles from the white house and congress and from all three locations worked a total of over 100. Jul 01, 2016 i would like to share my experience thus far with the mfj 9232 qrp loop tuner. Read antenna swr and complex impedance 530 khz to 230 mhz. View the manufactures page for mfj5803x the mfj 5803x is a 3 foot coax cable, rg8x au coax, with pl259 connectors on both ends. A patch antenna is a type of radio antenna with a low profile, which can be mounted on a flat surface. Mfj4706 coax patch panel, 6 positions main trading company. Demonstrating the mfj1708sdr automatic relay switch with. Mfj has controlinterface leads which allow certain models of mfj auto antenna tuners to be operated directly from the tune button on certain yaesu ssb transceiver models.

Mfj coax patch panel connects devices with virtually no loss, feedthru or crosstalk provides 12 teflonr so239 coax feedthru barrel connectors to patch 12 coax fed devices together with short coax jumpers. As this would work in most applications, i wanted a board that would be as wide as my window. I have been looking at these for years, and have always been fascinated by mag loops. One day while visiting with my friend jerb k8wpi we talked about patch panels and its advantages over antenna switches. Tune the antenna tuner until the meter of the mfj 204b reads minimum 11. Coax patch panel, 6 positions mfj coax patch panel connects devices with virtually no loss, feedthru or crosstalk provides 12 teflon so239 coax feedthru barrel connectors to patch 12 coax fed devices together with short coax jumpers. Mfj4706 coax patch panel, 6 positions main trading. If youre planning on using a remotely tuned antenna, and an automatic antenna controller, then inductive matching is your only choice if youre seeking fully automatic operation.

Introduction this article introduces the basic concepts of patch antennas. Mag loops are very efficient and are much smaller than full size resonant loops. Mfj mfj1620t antenna hf mobile single band, mfj1620t. Here you can see here that the original panel as built by mfj is only 12 inch thick. Position name price colour colour make of handheld. The auxiliary wire ran out at a right angle into an open field of grass at an approximate 160. Mfj coax patch panel connects devices with virtually no loss, feedthru or crosstalk provides 12 teflonr so239 coax feedthru barrel connectors to patch 12.

We use a simple rectangular, half wave long, probefed patch operating in its fundamental mode as an example. Mfj coax patch panel connects devices with virtually no loss, feedthru or crosstalk provides 8 teflon so239 coax feedthru barrel connectors to patch 8 coax fed devices together with short coax jumpers. The mfj 4706 6position coaxial patch, mfj coax patch panel connects devices with virtually no loss, feedthru or crosstalk, provides 12 teflonr so239 coax feed thru barrel connectors to patch 12 coax fed devices together with short coax jumpers. As the ham radio hobby has evolved, mfj has continued to develop new products to meet the needs of amateur radio enthusiasts. Mfj269c antenna analyzer,jmrsales authorized mfj dealer. For many years i used antenna switches and was not happy with any of them. Switch connectors 11100 transco antenna model sp2t female rf 35. Mfj204b antenna bridge thank you for purchasing the. It puts the maximum radiation point high up in the clear where it does the most good your signal gets out even if youre ground mounted.

Mfj amateur and cb radio antenna matcher matchbox 1080m mfj lowers swr and provides more power to your mobile antenna. They will repair for a fee, if you send the tuner to them. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from mfj enterprises, inc. You can also plug in an antenna tuner, wattmeter, linear, etc so it is always connected to the antenna and transceiver selected.

An antenna might cover all of those bands, but it cant do equally well on all of them. The mfj 1798 could be the answer to many hams problems, a vertical antenna that does not take up much space, requires no radials and covers ten bands from 80m to 2m. The famous mfj 259c gives you a complete picture of your antenna s performance. I would like to share my experience thus far with the mfj 9232 qrp loop tuner. Mfj 9232 i make a small commission on purchases made thro. Mfj 1701 antenna switches make it easy to switch antennas without. This can be done using a coax patch cable such as the mfj 5803 or mfj 5806. So i simply used the hardware from the mfj panel and installed it onto a board that i had already cut to fit. Your antenna tuner is now set for 50 ohm at that frequency. Lower band is retuneable to cover 470940 khz for maritime and 600 meters.

Worlds most popular swr analyzer is super easytouse. Oct 04, 2010 using recycled electronic chassis to build a simple coax patch to switch between radios and antenna. Homebrew antenna coax patch panelpart 1 of 2 youtube. Feb 20, 2012 well, i bit the bullet today and placed my order with mfj for an mfj 1786 magnetic loop antenna. The good news is that mfj is helpful in selling or giving, free of charge, parts and instruction if you opt to repair yourself. What caught my eye about the mfj is the manufacturers hype. Mfj2286 portable performance antenna radioworld uk. They are the original type of microstrip antenna described by howell in 1972. To use, connect your coax fed devices rigs, antennas, swrwattmeters, tuners, amplifiers, preamps, switches to coax connectors inside the patch panel. Mfj coax patch panel connects devices with virtually no loss, feedthru or crosstalk.

Mfj enterprises original mfj 1620t 20 meter hf hamstick w whip mobile antenna 3824. View the manufactures page for mfj4704 provides 8 teflon so239 coax feedthru barrel connectors to patch 8 coax fed devices together with short coax jumpers. These are manual tuners designed to tune small loop antennas, and are. Its easy to tune because adjusting one band has minimum effect on the resonant frequencies of other bands. Mfj s unique elevated top feedtm elevates the feedpoint all the way to the top of the antenna. Mfj mfj 1620t 14 mhz mobile hamstick vertical antenna 7 feet tall 3824 base 250 watts. The main antenna for the mfj 1026 ran on a slight downslope along the side of robbins road straight towards the sea at a bearing of about 70 degrees. I used am using this mfj1786 antenna at various qths from a mountain top overlooking the great smoky mountains national park, to our beachfront condo 100 yards from the gulf of mexico to our current home in potomac, maryland 15 miles from the white house and congress and from all three locations worked a total of over 100. This arrangement allows you to simultaneously watch and listen.

Mfj 1456 hfvhfuhf mobile antennas cover all of your favorite local and dx bands. Hold one end of the coax patch cable close to the antenna input of. Coax patch, rg2, 100ft, pl259pl259 the mfj 5806h is a 100 foot coax cable, rg2 au, with pl259 connectors on both ends. Mfj 1456 hfvhfuhf mobile antennas mfj1456 free shipping. Patch antennas are low cost, have a low profile and are easily fabricated. With a patch panel you can put any antenna on any rig. The mfj 934 combines a versatile antenna tuner with an artificial ground. Aug 25, 2019 a really cool 4010 meter qrp portable antenna. Connect the antenna to your antenna tuner, then connect the mfj204b to the tuner. Mfj mfj4706 cables other, mfj4706 ham radio outlet. The mfj2286 for top portable performance, carry a big stick. Like our big ear, this portable monopole features mfjs rugged 17 stainlesssteel collapsible whip paired with an adjustable highq airwound coil.

Efficiency matters, so its not surprising this winning combination stands head and shoulders above shorter backpack antennas. This sp2t switch is n relay voltage can range from 18vdc to 32vdc. It is mounted on a small, rectangular, flat surface and consists of two metallic plates placed upon each other. Then, when you are key up to transmit, the mfj 1708sdr cuts off and grounds the sdr antenna line, providing your sdr with bulletproof protection from damaging rf. A patch antenna is a lowprofile directional radio antenna that is used for indoor locations covering singlefloor offices, stores and small studios. We offer all mfj antennas from stock or to preorder. Antenna feedthrough panel welcome to the home of k4nhw. A few weeks ago we posted about the mfj1708sdr automatic relay switch and how it can be used to combine an rx only sdr with a transmit capable radio.

One series of products that i found very interesting were the mfj loop tuners. Connect the other end of the isolator to the transmitter using a short length of coax. My experience so far with the mfj9232 loop tuner american. Like our big ear, this portable monopole features mfj s rugged 17 stainlesssteel collapsible whip paired with an adjustable highq airwound coil. Provides 8 teflon so239 coax feedthru barrel connectors to patch 8 coax fed devices together with short coax jumpers. The basics of patch antennas, updated orban microwave. Mfj 269c gives you a complete picture of your antenna.