$68.89 $ 68. #13. In an unc. Our modification to the G5RV and ZS6BKW antennas, while also somewhat of a compromise of frequency ranges and VSWR, lets us use all HF bands between 80 and 10 except 30 and 60* meters. Eton - Elite 750, The Classic AM/FM/LW/VHF/Shortwave Radio with Single Side Band, 360 Rotating AM Antenna . Get it Sep 8 - 12. NOTE: If you don't want to build it, Radio Shack sells this type antenna for about $35 (+ coax). I am new to shortwave radio and just thought I'd share my experiences in starting with this hobby. #10. -1. For your shortwave listening, if you cannot install a long wire or dipole for shortwave, then I would recommend going up to the antenna and disconnecting the coax or twin lead from the antenna, and leave it disconnected. Down there I could pull out little 1 and 5 Kw stations in Central America.On 20m it started to show some gain and worked quite well with 100 watts into Japan on . A Magnetic Loop Antenna for Shortwave Listening (SWL) by KR1ST - A well documented plan to build a magnetic loop antenna for Shortwave Listening, includes photos and diagrams. The number 468 divided by the frequency above is the formula for calculating a half wave antenna length used all the time by Amateur radio operators in building many different kinds of antennas. You'll need a good antenna to do that, which is where this homebrew loop antenna for the shortwave radio bands shines. DIYOO 2.4 Inch Screen Stereo Sound Shortwave Longwave with Telescopic . Some radios (usually the higher priced models) will have an external antenna jack, usually a 3.5mm (1/8), where you can plug in your own . . Technocrats will call this an Inverted L as the longer limb of the capital letter L is the bit that runs down the garden, the shorter . Aug 15, 2008. The CC Shortwave Reel Antenna is a convenient and inexpensive way to improve the reception of any shortwave radio. The CB band is only of a MHz. 2. Feedline loss is measured in decibels (Db) per 100 feet. Wide from beginning to end. Answer (1 of 4): Pretty much any, practically speaking. $15.99 $ 15 . 8 offers from $13.15. This first video is by a beginner for beginners! and best is LMR-400, usually used for transmit at higher frequencies. Most all portable shortwave radios will have a telescoping antenna as well as one that's built inside (mainly for AM radio band reception). a ch: MP4C+XPH, Vit Chu, H Lang, Cao Bng, Vietnam S in thoi: Trang web: Gi m ca: Bn ch ng: 22.657429,106.72186699999999 (ta chnh xc) EZNEC file for the W0BTU version, which uses a 97 straight top section, a 39.5 (or 31; see below) length of "450 ohm" (usually . Cheapest would be RG-6 ' 75 ohm. Coax Switch, 4-port, Rated Through 500 MHz, UHF Female, SO-239, Each. :drool: It worked really well down into the AM broadcast and longwave bands. RG-59 and RG-6 are 75 Ohm coaxial cables designed for cable television applications, they tend to have wide frequency response and low line loss. 9.0. 481. Short wave, Receiving, Scanner, FM Antennas Sort by: Featured Items Newest Items Bestselling Alphabetical: A to Z Alphabetical: Z to A Avg. However, the stainless steel eyelet which is connected to the balun is internally grounded, if reception is noisy this can be grounded to an external earth. XHDATA AN-80 Shortwave Reel Antenna FM SW External Antenna Whip Antenna to Improve Signal Reception (XHDATA AN-80 Antenna = TECSUN AN03 Antenna + TECSUN AN05 Antenna) 4.1 out of 5 stars. Antenna Coax Switch, 2-port, N Female, Each. The above is a copy and paste from their website; You will need to find some way to transition from a SO-239 socket. Size: 4" W x 2.9" H x 0.8" D. Turn on your shortwave radio (mine is a Sony ICF-SW 7600G). Customer Review Price: Low to High Price: High to Low JTD2 1411 25-1300 Mhz Discone Type Antenna Shortwave, AM, FM and Internet Radio. Since we are convinced of the H 155 and the Hyperflexflex 5 we offer you the original cable by the meter and pre-assembled in our online shop. 5 meter RG-58 coaxial cable with male PL-259 plugs on both ends: If using more than 5 meters or if you want to use higher frequencies above 30MHz, use thicker, heavier and more expensive cables like RG-213. Find Alpha Delta Antennas and get Free Shipping on Most Orders Over $99 at DX Engineering! Used for TV/cable installs. ~ 10: Antenna Tuning Unit (ATU) I've been using the MFJ-971 for portable use and demos because of the weight . Waterproof the connections. If using coax use the shield as a randomly route long wire. Keep listening. Continued Shortwave Antennas Page 10 Shortwave Antennas Page 12 1 offer from $15.90. Consider the following features when making your decision: Brand: Some of the options include Alpha Delta, RadioShack, Sainsonic, and TECSUN. Share. take 12 or 14 ft of 16 gauge primary or a piece of clear stereo speaker wire pulled apart and solder to center of coax. Of course, more expensive. [ Hits: 20452 | Votes: 24 | Rating: 8.42 ] A Small Wire Loop Antennas for 160 meters pop - Low noise, receive only coax loop antennas for 160 - 10 meters HF bands. Multiple Images; View; 89. If you can't get in the attic, you can lay it on top of the roof. Pretty bad for isolation, but very inexpensive. [Thomas]'s design is based on a length of coaxial cable, which should . A 6db loss is 50% on top of 50%, and so on. Winds up into a sturdy case for portability. https://www.thrivelife.com/iridium242 Bring the coax out through a ridge vent, if possible. 468 divided by 5.90 = 79' 3". The Traditional Long-Wire Antenna, as its name implies, is a simple single length of wire of a thickness strong enough to support its own weight, insulated or not, as long and high as the local geography allows. That is why you need a good coax cable with a high degree of shielding. When you are shopping on eBay for a shortwave antenna for ham radio, there are many options available to choose from. In case of question, please contact us by e-mail or by phone +49 5052 6052. AEcreative PL-259 SO-239 to 3.5mm RG-58 coaxial External Antenna Adapter for Grundig Tecsun Sangean Eton shortwave Radio Receiver RG-316. W5SWL Brand Premium Series Coax Adapter UHF Female to 3.5mm Male Plug. 4.6 out of 5 stars. Shortwave, AM, FM and Internet Radio. 3. Shortwave, AM, FM and Internet Radio. Shortwave Antenna restrictions. Universal Radio shortwave, amateur, scanner and CB radio since 1942 Only 2 left in stock - order soon. Antenna length: The antenna lengths range from two inches long to two feet in diameter . Description. FREE . Dennis Walter. Option Three: the one I recommend. Add a comment. Here's the clip for attaching the antenna to "something". 9.6. Extend its telescopic antenna and place it near and parallel to one side of your homemade tuned loop shortwave antenna. If you were only trying to cover the CB band, a finely tuned antenna will add some signal to your receiver. 4.2 out of 5 stars 141. Thinsont 2.4 Inch Screen Stereo Sound Shortwave Longwave with Telescopic Antenna Professional Touch. I you want to use coax as an antenna, then it's easier to use the outer conductor. Australia. . Just attach the end clip to the telescoping antenna of your radio and extend the antenna up the wall or to a window. Given a ground plane the outer conductor of coax measured to 1/4 wavelength of the frequency can make a good transmitting antenna. . K-180WLA Active Loop Broadband Receiving Antenna 100kHz-180MHz 20dBi SDR Radio Antenna Loop Small Loop Short Wave Antenna. You can use these cables with a 50 Ohm amateur radio . This item: AEcreative PL-259 SO-239 to 3.5mm RG-58 coaxial External Antenna Adapter for Grundig Tecsun Sangean Eton shortwave Radio Receiver RG-316. For example, if you have 6 db of feedline loss, your 50 watt signal coming out of the radio will be 12.5 watts as it enters the feedpoint of the antenna. The decibel scale is logarithmic, so a loss of 3 Db is a 50% reduction in power. $18.99. (UNUN stands for unbalanced coaxial line to unbalanced antenna). . The RG-174 coaxial cable is terminated in a mono 3.5mm plug that suits many portable shortwave . The length of the antenna needs to agree with the length of the longest radio waves that you want to receive. Currently I am able to run a 60' longwire, but the new place I will be going into restricts the erection of any kind of antennae outside the house and especially on the roof. Shortwave, AM, FM and Internet Radio. Impedance mismatch of 75 Ohm Cable. tune-in a broadcast station within the frequency coverage range of your antenna (mine covers 2.3 to 7.6 MHz). You could use a 'banana' (they fit into the SO-239 socket quite nicely) plug and a alligator clip wired into a 3.5 plug or you could get a PL_259 and coax or wire and wire it into a 3.5 plug. See All Items In This Department; Station Accessories. The ma. Strip back a half or 3/4 in of other end of coax. The cable must be 50 ohm. Mar 27, 2010. The W0BTU Antenna. Ships from and sold by AEcreative. Estimated Ship Date: Monday 10/31/2022. You'll need about 435 feet of wire for this antenna plus appropriate length of coaxial cable. The antenna's 7.62 metre coax feeder acts as a counterpoise for the antenna, therefore no connection to ground is necessary. Part Number: DWA-CS-201GII. Shop Our Amazon Store: https://www.amazon.com/shop/iridium242 Stock up on your long term food storage here! Clearly, there is no 'one size fits all' antenna solution to this. 4.1 out of 5 stars 39. W. The inner conductor is shielded by the outer. 9.5. redneckerson_1951 2 yr. ago. Install a 9:1 UNUN at the antenna end of the coax. The shortwave band covers an entire 30 MHz., that is 60 times the width of the CB band! Shortwave broadcasters use frequencies that are from about 50 to about 400 feet long, and an effective antenna needs to be at least one-fourth of that length and one-half is much better. The best shortwave antenna I ever had was a 660 foot long wire about 20 feet high. Take 8 ft or so of RG58 Solder the mini plug on one end center to center, shield to outside shell of plug. I will be moving into a retirement village as soon as we sell our house. They also have an impedance of 75 ohms, which is a standard for coax cable used in the broadcast industry. Better is RG-213, RG-8X. The near vertical portion of wire (20 ft) from the attic shortwave antenna to the receiver could pick up vertically polarized electrostatic interference!
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