For portable emcomm, public service work or if antenna size is limited for what ever reason, we suggest the arrow antenna 5 element 440 5s beam as shown at right that gives 8 dbd on a 25 inch boom. Hustler base model g6440 vertical antennas feature sleek, onepiece, tapered fiberglass radomes that eliminate the intermodulation products and mechanical problems associated with 2 and 3piece uhf radome designs. Note the following antenna projects were gathered from the internet, therefore the author does not endorse any of the projects, you are on your own. Realistic dx440 am fm stereo lw shortwave portable radio. The simple 2m440 copper pipe j posted in vhf antennas 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.
It may be mounted in an attic or other stealth location. Page 5 you can power the dx 440 from house shown in the illustration on the back hold ac using an optional ac adapter, you can operate the dx 440 in a car, of the radio. The prototype had screws in the end of the elements for adjusting but at 2 meters, 14 inch changes did not affect performance. I have also hit some stations over 140 miles away on 2m ssb with this vertical triband antenna. The ft4xr is compact and light, yet ruggedly constructed. I have a dx 398 right now as my portable, but i would love to have my dx 400 backsuch is life. Also i plain on running 150 to 300 watts depending on the antenna and amp. But also wire antennas, bobtail curtains, cpole and hentenna. When you use ac, the dx440 automatically disconnects the internal batteries.
Dx engineering receive antenna systems feature the best designs available for hf dxing, as well as for am dxing on the mw broadcast band and for the short wave listening bands swl. Last week i ordered the arrow ii 146wbp handheld 2 meter 440 mhz yagi antenna directly from arrow antennas. Does anyone know if there are replacement parts available for this receiver. You can power the dx440from house hold ac using an optional ac adapter, cat. No need to worry about programming cables or software with this repeater as this. When you use ac, the dx 440 automatically disconnects the internal batteries. Receive coverage is 65108 fm broadcast band, 6174 and 400480 mhz. Realistic dx440 k3rrr kilo three triple r amateur radio station. Arrow antenna hand held portable dual band 146 437 440. C4fm fm 144 430mhz dual band 5w handheld transceiver. We provide you with the latest news and videos straight from the amateur radio world. There are commercially available antennas still for sale in new zealand. I have a realistic dx440 receiver and i need a internal antenna, external antenna, tuning knob and some other knobs. A 440 version with suction cups allowed an apartment dweller to have a beam antenna stuck to his ceiling.
Two diy dual band antennas i built for vhfuhf ham radio. Plug the small con nector of the adapter into the dc in 9v socket on the side ofthe unit. We offer leading software radios for professional radio and amateur radio. I had a dx 400 for years and it was a spectacular radio. As ive mentioned before, i also travelled with the radio shack dx440 while studying french and living in grenoble, france. Call area boundaries and prefixes are shown on the world map in addition to the dxcc boundaries and prefixes. The yaesu ft4xr 2 meter 440 mhz ht has three output power levels.
Oct 25, 2017 then his signal started to fade slowly untill he was gone. The revolutionary compactenna model 10m2m 440 multiband antenna is ready for use as an indoor base or as an inconspicuous outdoor base antenna. Dxview presents a world map, upon which beam headings, stations you spot, the suns position, and the solar terminator are continuously displayed. Finishing the cheap and easy antennas this article will instruct a tripod mounted crossboom for your cheap and easy. Thank so much for writing about the dx440that radio has a special place in my heart. If youre a regular swling post reader, you might remember that the dx440 was my first digital portable and one i used when i lived in france as a teenager. Jul 12, 2009 last week i ordered the arrow ii 146wbp handheld 2 meter 440 mhz yagi antenna directly from arrow antennas. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. Ac6vs homebrew antennas links including antenna theory. With this, a radio is immediately compatible with over 65 popular software applications. The is your source for news about amateur radio, shortwave, cb radio website. View and download cushcraft dx 120 assembly instructions manual online.
The whole dx commander brand was a bit of an accident since i already have 2 dayjobs i own a couple of tech companies. The project below is my own design for a dualband vertical dipole for 2 meters and 440. 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. Note that there is a limit to the number of files you can download. I added backtoback diodes to my dx 440 803a to keep the rf transistors from getting zapped. New listing rare vtg heathkit mohican model gc1a shortwave ham radio receiver. This antenna uses the g0ksc opdes design on both 40m and 20m to provide fullband coverage on each. Commander allows you to control your alinco, elecraft, flexradio, icom, jrc, kachina, kenwood, tentec, or yaesu radio from a pc running windows 95, 98, nt, 2000, xp, vista, 7, 8, or 10. Fm, am, long wave, and shortwave, this portable will keep you busy for years to come. Ft8 franketaylor design, 8fsk modulation is an amateur radio digital mode that belongs to the family of weaksignals communication protocols, developed and promoted by k1jt joe taylor. Service manual for the radio shack dx 440 i need the schematic or service manual for the radio shack dx 440. Dx 440 operating tip here is an undocumented way of quickly switching between two frequencies in theshortwave bands.
The simple 2m440 copper pipe j iw5edi simone hamradio. Can the 2 meter version of this antenna also work on the 440 band. All it needs is a computer and an antenna to provide excellent communications receiver functionality. As ive mentioned before, i also travelled with the radio shack dx 440 while studying french and living in grenoble, france. Externalinternal antenna six alkaline d batteries and two aa 37. Each prefix has a hint with a country and province name.
The receiver has lost sensitivity and i gather from reading previous posts that this could be due to having shorted the antenna connector. Now i want to get back to listening and would like to connect an external antenna. With an external antenna, even trans atlantic medium wave stations were audible. Antenna, ve3sqb ham radio antenna design software programs. They are used all around the world and can be used internationally or domestically. A wideranging collection of radio shack materials and support documents from the nowdefunct radio shack support site. The 440 was my first digital shortwave receiverit revolutionized my shortwave listening.
Then his signal started to fade slowly untill he was gone. I have even hit repeaters 70 miles away on 440 uhf. A pc running windows 95, 98, nt, 2000, xp, vista, 7, or 8 is required. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. Radioshack ad for the realistic dx 440 many thanks to swling post contributor, shortwaveguy, who shares the following guest post originally published on his blog, shortwave. My first antenna i used with my 440 was made out of speaker cable, which i ripped part way and made into a small 20 ft dipole, soldering each side to an rca plug. I like to tinker, so when i finish one project, i go on to another, even if it works well. The dx 440 has a rca connection for the external antenna. No doubt, it has some serious nostalgic value for me. How to use mmana antenna software 4 lessons film antenna design using software modelling need not be difficult particularly if you can watch 4 quick tutorial films to assist.
What type of coax should i use with these antennas. The speaker provides a full 1 watt of powerful, clear audio. I have talked all over the usa and several ssb dx contacts on 6m with this vertical antenna. G0ksc home of the lfa yagi free yagi antenna designs. Answer52 ohm coax rg8x is a good choice if kept to short lengths of under about 15 feet total. Measurements and analysis suggest why quarterwave stubs fail to completely isolate radiator conductors on multiband antennas including the popular rollup 2m 440 jpole products. Cheap yagi for uplink this article is intended to enable nonsatellite hams and students who will be the future satellite hams, to painlessly acquire the 146 mhz uplink antenna needed to actually work a satellite. Answeryes, but the radiation angle and vswr will be higher.
How to use mmana antenna software 4 lessons film dx. Vintage realistic dx440 am fm lw mw sw shortwave radio receiver also known by sangean ats803a portable measures 6. Compactenna model 10m2m440 multiband antennas 10m2m. Im needing a good antenna to mount on top of a 20 foot tower that is should also do 440. The simple 2m440 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. If you use an external antenna with the 803a its not clear whether you already have one, remember to protect the 803a from static electricity coming off the wire or just be careful how you use it with an external wire. Matchmaster have a 3element and 5element single dipole design however to cover 20mhz of bandwidth for fm 88108mhz a single dipole design liek the matchmaster will really struggle, with performance falling off the further from its design frequency you tune. I have older versions on the previous versions page that will run on windows 95, 98, me, and 2000. Dxsoftham radio software programs for amateur radio our news 23 apr 2020 truetty v3. This full coverage receiver features keypad entry and a bfo for ssbcw. I learned the hard way by working through every section of the software. All n4py software programs run on windows operating systems windows xp, vista, windows 7, windows 8, 8. Wb3ayw high gain 2 meter or 440 band collinear antennas.
Dec 28, 2015 if you use an external antenna with the 803a its not clear whether you already have one, remember to protect the 803a from static electricity coming off the wire or just be careful how you use it with an external wire. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Windows 10 x64 pstrotator for sat tracking, rotator control and rig. Vintage realistic dx 440 am fm lw mw sw shortwave radio receiver also known by sangean ats803a portable measures 6. There is a flip stand and antenna jack on the rear panel.
I have personally run wintest with my skysdr during the cqww dx cw. Cushcraft dx120 assembly instructions manual pdf download. Maximize your signal and minimize noise with antenna accessories such as antenna switches, vertical addon kits, variable phasing controllers, baluns, radial. The realistic dx440 was marketed by radio shack from 19881991. Thank so much for writing about the dx 440 that radio has a special place in my heart. Page 5 you can power the dx440 from house shown in the illustration on the back hold ac using an optional ac adapter, you can operate the dx440 in a car, of the radio. The ft8 protocol is implemented in several application programs including the. The manual and documentation is a bit rough, but once you understand the programming principles is pretty easy to get going. Integrates with hamcap, ionoprobe, band master, and many 3rd party programs. Hands down best 2 meter base vertical antenna qrz forums. Battery compartment you can operate the dx440 using. Due to its special design, this is a low noise antenna with transmit and receive performance much greater than would be predicted by gain. I assume someone else manufactured it for radio shack. Dx 440 vs dx 390 you can select the sw bands on the ats803a by pressing the sw button.
Describe your experience with the sangean 803aradio shack dx 440 and tell us why you give it the rating you did required. The 10 element 10l70cm gives 11 dbd on a 62 inch boom. Combines the tremendous dx firepower of the 14wave sloper with the wide bandwidth of the 12wave dipole. If you have some stuff that not is listed here you can donate this by contact mods. Kenwood tmd710ga 144440 mhz fm dual band mobiles are a step up from your average fm mobile. It made a great indoor antenna portable external antenna. Adjust the antenna or radio position according to the chosen band. Kenwood tmd710ga 144440 mhz fm dual band mobiles tmd710g. The rspdx provides three software selectable antenna inputs, and an external clock input. Going to pull apart so i have 25 feet on each side that would.
Easy antenna modelling mmanagal secrets zero to hero in. You can find information here from vertical antennas to loops and from moxonsyagis to quads. Click on a prefix to find it in the prefix database. Hustler base model g6 440 vertical antennas feature sleek, onepiece, tapered fiberglass radomes that eliminate the intermodulation products and mechanical problems associated with 2 and 3piece uhf radome designs. Radio shacks realistic dx440 has an array of bands to explore. However, i was anxious to pair the dx440 with the realistic 20280 amplified antenna that i had picked up years ago at an auction. These high gain verticals offer solid 6db gain for outstanding fringe area performance. Dc in 9v jack stereo headphones jack lets you listen to fm stereo programs in full stereo. Each time you press sw, the receiver jumps to the next highest band. I also ordered the roll up storage bag with the pockets that is made in the u.
Whether you are preparing for an unfortunate situation where the phone lines are down, or simply taking up amateur radio as a hobby, there are numerous types and models for all ham radio users. Combined with the power of readily available sdr receiver software including sdruno supplied by sdrplay you can monitor up to 10 mhz spectrum at a time. Plug the other end of the adapter into the lighter socket of the vehicle. Discussion in general technical questions and answers started by ki4rvy, jan 10, 2007.
91 362 624 321 1120 1295 1281 830 1433 937 36 1009 774 193 1622 1140 874 472 1401 281 729 1467 1424 1412 887 502 860 273 1493 1119 117 1064 148 175 619 84 130