Diy shortwave radio - This antenna tune kit comes with the standing wave directions. Using a T-type topology network, shortwave 1-30MHz. Can withstand the transmit power of 15W. The tuning range of approximately 30-300 ohms. Very convenient for QRP communication, to ensure high efficiency radio transceiver in communication, but also allows you to fully enjoy the fun ...

 
How To Make A Simple Short Wave TransmitterIf you have any question about this Short Wave Transmitter, please feel free to leave a comment, please like ,shar.... Couponsky.net reviews

by: Danie Conradie. August 26, 2022. One of the best ways to learn about radios is to build your own, even in the age of cheap SDR dongles. [Aniss Oulhaci] demonstrates this with …Diy Shortwave Radio Makerf So You Want. So you want to be a shortwave pirate shortwave transmitter qrp schematic am transmitter electronics 500mw arrl field day cw radio operating dayton hamvention ham radio crystal. Ideally, you'll just buy shortwave radio receiver kits to build online, as this way you can ensure you have all the right. ...Step 4 Wiring. Creating a wiring diagram a head of time makes wiring easier. Here is my Doerle Shortwave Receiver ready for wiring. First, I wired all of the ground connections (Black wires). Next the 90 Volt circuit (Purple wires) Followed by the tube filament circuit (Red wires). Finally the 45 Volt and Tuning circuits (Yellow and Blue wires ...14 thoughts on " Shortwave Radio Picks Up Sideband " Allan-H says: September 29, 2021 at 8:59 pm The Si4732 appears to be obsolete. ... Christos M liked DIY SCADA / wireless and wired remote I/O.DIY Kit of Active Amplifier for Magnetic HF Antenna 3MHz-30MHz Hula Loop Shortwave Radio.Magnetic loop antenna has great performance for receiving weak AM/SSB radio signals in urban area where an regular beverage antenna is usually overloaded by industrial HF noise of modern city. Electrical circuit of this active antenna amplifier board is based on high impedance differential amplifier wired ...Zerone HAM Radio QRP Kit Forty-9er 3W CW Shortwave Radio Transmitter Receiver Telegraph DIY Radio Kit. 40. Limited time deal. £1550. Was: £19.38. FREE delivery Fri, 5 Apr on your first eligible order to UK or Ireland. Or fastest delivery Tomorrow, 3 Apr. Only 7 left in stock. Add to basket.Sep 17, 2007 · In the old days, people used radios that used a germanium diode (crystal radio) to receive am radio without the need for a battery (the radio wave powers this type of radio). This site modernizes that concept by showing you how to build a shortwave radio that utilizes a germanium diode. Build a crystal shortwave radio – Link. 14 thoughts on " Shortwave Radio Picks Up Sideband " Allan-H says: September 29, 2021 at 8:59 pm The Si4732 appears to be obsolete. ... Christos M liked DIY SCADA / wireless and wired remote I/O.through radio equipment dealers or online. It is also available in many sizes and grades, which can be confusing. For the shortwave listener or Amateur HF operator, a good cable to use is called "RG-8x". Unless you are transmitting using an amplifier, or working at VHF frequencies, this cable is more than sufficient for runs up to 150'.via YouTube Capture A portable Broomstick antenna I made to take out in the field for SWL Easy to make with minimum cost. I put an alligator clip on the othe...Three basic antennas for crystal and shortwave radio reception. MATERIALS- Copper wire- InsulatorsWARNINGS- Appropriate lightning protecting is necessary, t...This entry was posted in How To, Kits, News, Radios, Shortwave Radio and tagged ELECTRONIC PROJECT KIT #28-110, Home Brew, homebrew shortwave, RadioShack 28-110, RadioShack Shortwave Kit on July 10, 2015 by Thomas. Post navigation ← Night of Nights XVI: July 12, 2015 BBC World Service as a lifeline and …A length of Wire can make a huge difference in what you hear on ShortwaveA compact, easy-to-build shortwave antenna The Broomstick Special. By Arnie Coro Host of "Dxers Unlimited", Radio Habana, Cuba. This is a "helically wound" wire antenna. It can be built in a few hours... it will take longer if you really want to make it look pretty... ugly versions can be assembled in minutes. ere’s a low cost, simple-to-build, portable shortwave receiver. Its design is noncritical and the receiver is easy to get going. With it, you can receive dozens of international shortwave broadcast stations at night even indoors using a 39-inch whip antenna. This little radio is perfect for discovering ham-band QSOs, news, music and all the If you want an introduction to SDR, Elektor now has an inexpensive RF shield for the Arduino. The Si5351-based board uses that oscillator IC to shift RF signals down to audio frequencies and then ...Any antenna that is less than 1/2 wavelength long and less than 1/2 wavelength high will start to loose efficiency when shortened or lowered. (1/4 wave verticals must also be at least 1/4 wavelength long and have an almost perfect ground plane). So for HF frequencies if you want to go a similar route you should look into magnetic loop antennas.This site is intended for radio enthusiasts, DXers or anybody with a shortwave radio to help identify shortwave signals or to view general broadcast schedules. Shortwave Schedules can be based on: Enter a frequency in kHz or MHz in Quick Search™ located in the menu bar and all results within ± 2.5 KHz (± 0.002.5 MHz) being broadcast at the ...Manual Antenna Tuner Shows How Homebrewing Is Done. If there's anything about amateur radio that has more witchcraft in it than the design and implementation of antennas, we don't know what it ...Many small tuning ranges (37.9 kHz at 10 kHz and 61.7 kHz at 30 MHz) can be tuned by the 10 turn potmeter. Press the up/down switches to go to the nearest next small tuning range. For large frequency changes, set S1 to coarse tuning. Otherwise you have to press the up switch 1000 times to go from 10 kHz to 30 MHz!!Radio Balun Antennas 1-30Mhz Shortwave Radio HAM Equipment NXO-100 Magnetic Balance Kit DIY Recommendations GOOZEEZOO Radio Antennas PAC-12 HF Antennas for Ham Radio with Slide Regulator 7MHz-50MHz All Band Hf Vertical Antenna 4.1 Meter(13.5Ft) JPC-12 Antenna for Outdoor/Balcony (High-end Version)Kit 1: (with base, without battery) Kit 2: (without base, without battery) Three-lamp tube radio kit DC three-lamp radio shortwave, suitable for beginners Three-lamp regenerative tube radio 2P2 +1B2+2P2 Kit: with drawings, a full set of components and tubes, excluding PCB, speakers, and shell Base: base + panel + fixing screws (not …This item: HF SSB Shortwave Radio Shortwave Radio Transceiver Board DIY Kits SSB 6.1 Accessories . $72.59 $ 72. 59. Get it Mar 27 - Apr 8. In Stock. Ships from and sold by AJF Forever. + Amazon Basics 48-Pack AA Alkaline High-Performance Batteries, 1.5 Volt, 10-Year Shelf Life.ALPS Variable Capacitor meshed adjustable around 450 pf for Crystal Radio Amplifier Homebrew diy kit qrp Loop Antenna Tuner am fm mw sw Shortwave Radio. New (Old Stock) Item from ALPS JAPAN Customer reviews6) XHDATA D328 ($17) XHDATA D-328 Shortwave AM FM DSP Portable Small Multi Band Radio Stereo MP3 Player with Rechargeable Battery Earphone Jack Portable Multimedia Speaker with USB Micro SD Card Jack (Black) 【Portable Radio】5 x 3 x 1.2 inch. Small size and light weight, compact and easy to operate with Best Reception.Setting up the 1886 loop is super easy. First, attach a length of coax to bottom of the amplifier box. (The 1886 uses SO-239 connectors.) Attach that coax to the top of the Bias Tee. The Bias Tee supplies power to the amplifier mounted on the loop using the coax and without introducing noise. Run another piece of coax from the bottom of the ...State patrols, county sheriffs and local police all use radios to communicate. In many cases, you can listen to them legally. However, it’s important to know that the police don’t ...March 2, 2020. The Silicon Labs Si4735 is a single-chip solution for receiving AM, FM, and shortwave radio. With a bit of hacking, it even supports single sideband (SSB). All you’ve got to do is ...hams to learn radio basics. It provides good general-coverage reception of the short-wave bands from 1.6 to 25 MHz, which includes the 80, 40, 30, 20, 17, 15 and 12-m ham bands. It offers good sensitivity and selectivity and is very portable, powered by two 9-V batteries. It has provision for operating on an external ac supply and can be user through radio equipment dealers or online. It is also available in many sizes and grades, which can be confusing. For the shortwave listener or Amateur HF operator, a good cable to use is called “RG-8x”. Unless you are transmitting using an amplifier, or working at VHF frequencies, this cable is more than sufficient for runs up to 150'. via YouTube Capture A portable Broomstick antenna I made to take out in the field for SWL Easy to make with minimum cost. I put an alligator clip on the othe...I wanted to build a radio receiver designed by N1TEV for a long time. Thanks to my friend Henrik ( DK8HM ) for the PCB he sent me to build this receiver.73, ...Small knife or medium grit sandpaper. 2. Make an antenna. The antenna is one of the simplest parts of a homemade radio: all you need is a long piece of wire. Ideally, the wire should be 50 feet (15.2 m) long, but if you don’t have that much, you can use as little as 15 or 20 feet (4.6 or 6.1 m).Portable Shortwave Radio with 5W Bass Sound, AIR/AM/FM/VHF/SW/WB Worldband Radio with Bluetooth and APP Control, 2000mAh Rechargeable Radio with 9.85 Ft Wire Antenna,Flashlight,Recording ... S-Pixie CW QRP Ham Amateur Shortwave Radio Transceiver 7.023 7.050 Mhz DIY Kits with Transparent Acrylic Shell. 3.6 out of 5 stars. 37. $15.99 $ 15. 99 ...Circuit Working. The short wave radio receiver could also be used in oscillating mode by reducing the effect of oscillations caused by unwanted coupling to about 100 Hz. The oscillating mode may provide the owner various product-detector reception modes, namely CW, RTTY and SSB. If a frequency counter is added, this feature can be more pronounced.Find more details about this project on my website: http://dosaidsoft.com/wp/(You'll also find a link on the right column "donate to the son of the main pres...A kit requiring no electricity to make ( once a few initial minutes of soldering has been done ).The idea is that this can be a joint project with a responsi...MLA-30+ Loop Antenna Active Receiving Antenna 100kHz- 30MHz for Short Wave Radio. Opens in a new window or tab. Brand New. $33.96. Save up to 8% when you buy more. ... Balun Unun DIY Kits for HAM Band1-30Mhz shortwave Antenna NXO-100 Balance. Opens in a new window or tab. Brand New. $26.83. tzemac0 (170) 100%.Close the case. Reconnect the battery or power. 8. Connect the two free (and bare) ends of your coil and a bare end of the long wire in a simple twist. The long wire is your antenna. You now have a shortwave radio. Things to Remember: If you are unfamiliar with shortwave, know that it works best at night in the range typically covered by this ...Radio broadcasting began in earnest in 1920, when Westinghouse launched the first programmed broadcast of a radio station. KDKA began broadcasting on election day, and it was an in...This is almost the final thing, my improved regenerative two-tube receiver, now with all the parts to make it a complete shortwave radio with several bands, ...5. Acxico 1Set Pixie DIY Kits 7.023MHz Shortwave Radio 40M CW Receiver Transmitter with Buzzer LED Transceiver. Check Price at Amazon. 8. 6. Check Price. 6. 1-30Mhz HAM HF Radio Antenna Equipment Shortwave Radio Balun Kit NXO-100 Magnetic Balance Amateur Radio Antennas DIY. Check Price at Amazon.The Sparton radio is a multi band set and the shortwave bands require a different antenna. I added a switch and some terminals to accommodate this need. The radio antenna is switched between the loop coupling coil, or an external antenna and ground. The other switch is a high low band switch and adds a 300 pf capacitor across the 365 pf ... It may be used without an antenna tuner, but ... it works best when you do use a tuner. Here are the easy-to-follow, step-by-step building instructions for Arnie Coro's "Broomstick Special": 1. Obtain a nice broomstick.... you can use a "classic" wooden dowel broomstick, or substitute heavy walled PVC plumbers plastic tubing. 2. Test the audio transmission and reception by speaking into one walkie talkie and listening for the audio on the other. Take the walkie talkies to different locations and assess the range of communication. Experimenting with different antennas can also enhance the range of the walkie talkies. 4. Ham Radio Receiver.Shortwave Radio Balun DIY KIT for Ham Radio 1-30MHz NXO-100 Magnetic Balance. Opens in a new window or tab. Brand New. $10.16. mylove2014alice (2,454) 97.2%.This is almost the final thing, my improved regenerative two-tube receiver, now with all the parts to make it a complete shortwave radio with several bands, ...Nov 24, 2017 ... All you need is a coiled antenna with taps, a diode for a half wave rectifier, a capacitor and resistor for an envelope detector, an earpiece, ...RCA Radiola 18. Here is a fine example of a late 1920's TRF receiver restoration. The power supply capacitor was replaced as well as a small number of paper coupling capacitors. Dust and grime ...Oct 21, 2013 ... Just Insert an Electrical Plug on the TV and Watch all the Channels in the World in Full HD! Creative Hacker · 54K views ; Making a Shortwave ...This comprehensive guide aims to explore the intricate mechanisms behind shortwave radio propagation and its implications for long-distance communication. By examining real-life scenarios and theoretical frameworks, this article seeks to provide a thorough understanding of how shortwave signals propagate across vast distances.Zerone HAM Radio QRP Kit Forty-9er 3W CW Shortwave Radio Transmitter Receiver Telegraph DIY Radio Kit. 40. Limited time deal. £1550. Was: £19.38. FREE delivery Fri, 5 Apr on your first eligible order to UK or Ireland. Or fastest delivery Tomorrow, 3 Apr. Only 7 left in stock. Add to basket.Demo Video of a eBay HF kithttp://www.ebay.com/itm/6-band-HF-SSB-shortwave-radio-shortwave-radio-transceiver-board-DIY-Kits-/121447230351?pt=LH_DefaultDomain...The build was an experiment to see if a tube receiver could be stable enough to receive digital shortwave radio broadcasts. To avoid AC line hum, the radio is battery operated and while the ...Forty-9er 3W Accessories, HAM Radio CW Shortwave Transmitter Receiver DIY Radio Kit, Including Unsoldered Circuit Board, Scattered Components Kit, Circuit Diagram . Brand: Tihebeyan. 3.5 3.5 out of 5 stars 2 ratings. $19.99 $ 19. 99. Coupon: Apply 5% coupon Shop items | TermsJun 17, 2019 · This antenna spans a tuning range spanning 3.5 MHz through 40 MHz and thus covers 80 – 10 meters on the amateur radio bands, all international shortwave bands plus the 11 meter CB bands. The antenna comes with a 3′ coaxial cable to attach the antenna BNC output to a SO-259/PL-259 input of your receiver (most receivers). Hanging "HUMMINGBIRD FEEDER" bird feeder 10-40m HF Antenna Instructions. This hides the outside loading coil so your random wire will tune up on 10-40m. Puts substansial portion of your radiated RF outside your apartment-condo. Here is a brief description until I put up a page: Buy a plastic hummingbird feeder with standard glass syrup jar.Get one here: https://amzn.to/36BfQtq Amazon Affiliate Store: https://www.amazon.com/shop/iridium242 Prep With My Patriot Supply: http://www.preparewithiridi...The world of shortwave listening and radio reception is a fascinating and diverse one. There are different paths from shortwave listener to licensed radio amateur, each with its own fascination. As a shortwave listener (SWL), you can prepare yourself for amateur radio by listening to the shortwave bands and collect QSL cards, even without an ...11 thoughts on “ Tom builds a portable Loop-On-Ground antenna ” i700plus February 6, 2022 at 11:59 pm. With my Airspy HF+ Discovery its the best antenna in my area in the middle of a HOA in a subdivision with homes all around me with pool pumps and solar chargers and grow lights since we have legal MJ here. 🙂 I’ve tried a OCF Dipole at 83ft/50ft split, an above ground 200 ft loop ...Wed, May 08, 2024 - Thu, May 09, 2024. (All days are valid from 12 UTC - 12 UTC the following day) Note: A severe weather area depicted in the Day 4-8 period …Here on YouTube.com/NG9D we spend a lot of time fiddling around with low power (QRP) radio transmitters, simple receivers, home-made wire antennas and variou...Apr 24, 2020 · Circuit Working. The short wave radio receiver could also be used in oscillating mode by reducing the effect of oscillations caused by unwanted coupling to about 100 Hz. The oscillating mode may provide the owner various product-detector reception modes, namely CW, RTTY and SSB. If a frequency counter is added, this feature can be more pronounced. 1 Set DIY Radio 40M CW Shortwave Transmitter QRP Pixie Kit Receiver 7.023-7.026MHz Short Wave Transmitter DC 9V-14V. $11.06 $ 11. 06. $1 delivery Apr 26 - May 16 . Or fastest delivery Apr 11 - 15 . Add to cart-Remove. Bestseller in Portable Radios.Apr 5, 2020 · 1 cutting away a portion of the outer jacket; 2 carefully separating and opening the shielding; 3 digging through the dielectric core, and finally. 4 exposing the center conductor of the cable. Try to make an opening just large enough to gain access to the cable’s center conductor, but no bigger. Aug 30, 2009 ... This is my home-made short wave radio receiver. It is a superheterodyne circuit based on IC TEA5570 w/ FET pre-selector on antenna input.The transmitter meets the next expectations: 1. Output power (including harmonics): A few mW up to 15W (depended on transistor, crystals and voltage/current used) at 50 ohm. 2. It can drive any antenna directly, 50 ohm or higher impedance, without external tuners. 3. Bands of operation: Currently 40m, 30m. 4.I wanted to build a radio receiver designed by N1TEV for a long time. Thanks to my friend Henrik ( DK8HM ) for the PCB he sent me to build this receiver.73, ...Unlock the world of communication and immerse yourself in endless entertainment with this versatile0KHz-30MHz radio module. Perfect for DIY enthusiasts and radio enthusiasts alike, this kit is designed to provide functionality and reliability. Explore the wonders of shortwave radio with our advanced DIY kit. Specifications: 2.Weight:2.96oz/84.00This video shows what can be achieved with a simple wire antenna for Shortwave Radio Listening. It also shows the practical impact of having a good "ground" ...The transmitter meets the next expectations: 1. Output power (including harmonics): A few mW up to 15W (depended on transistor, crystals and voltage/current used) at 50 ohm. 2. It can drive any antenna directly, 50 ohm or higher impedance, without external tuners. 3. Bands of operation: Currently 40m, 30m. 4.pentagrid. • 4 yr. ago. Read the operating manual. You can use a random wire, long wire, dipole or loop antenna. The best choice for an antenna is dependent upon the particulars of your operating location, which you have not described. 2. Reply.The AM frequency range stretches from 530 Khz, to 1710 Khz. Alternatively, the FM band ranges from 88 to 108 megahertz. When you look for stations in a "band" you twist the tuning buttons on your radio receiver until you find a station that's easy to ear. Shortwave radio works in a similar way.through radio equipment dealers or online. It is also available in many sizes and grades, which can be confusing. For the shortwave listener or Amateur HF operator, a good cable to use is called “RG-8x”. Unless you are transmitting using an amplifier, or working at VHF frequencies, this cable is more than sufficient for runs up to 150'.Shortwave antenna plans and links category is a curation of 56 web resources on , Long Loopstick Antenna, Dual-Band X-Frame Shortwave RX Loop Antenna, Rhombic Antenna for Shortwave Radio Broadcasting. Resources listed under Shortwave Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators.If this is not possible then an good alternative is no.16 or no.18 enamel covered copper wire. If this is not available then standard no.18 speaker wire will suffice With one end of the wire connected to the disk, begin winding a consistent coil around the rod. The coils should sit next to each other and be bound tightly to the rod.End fed wires are possible using a 49 :1 balun and 33 to 72 feet of antenna wire. The wire runs from the balcony or window to a tree or support away from the building. The antenna should not cross any power lines or be where people can contact the wire. Verticals or semi-verticals can be installed on balconies.A compact, easy-to-build shortwave antenna The Broomstick Special. By Arnie Coro Host of "Dxers Unlimited", Radio Habana, Cuba. This is a "helically wound" wire antenna. It can be built in a few hours... it will take longer if you really want to make it look pretty... ugly versions can be assembled in minutes.If you like what you see and want to help, or get more involved, please Consider Supporting the Stream:Donations: https://streamlabs.com/PhysicsduckPatreon: ...Over on the swling.com blog admin Thomas has been exploring various indoor antenna options for pairing with an HF capable software defined radio. He notes that unless you happen to live in isolation, you're highly likely to experience RFI problems with standard wire antennas. Instead he recommends looking into magnetic loop antennas which are significantly more resistant to urban electric ...

Learn how to build a multiband radio using the Si4844-A10 receiver and an Arduino. The project includes a schematic, a parts list, and an Arduino program for tuning and displaying the frequency.. Mi tierra bay point

diy shortwave radio

Circuit Working. The short wave radio receiver could also be used in oscillating mode by reducing the effect of oscillations caused by unwanted coupling to about 100 Hz. The oscillating mode may provide the owner various product-detector reception modes, namely CW, RTTY and SSB. If a frequency counter is added, this feature can be more pronounced.Check the schematic for your radio, looking for diodes across the input leads. It is up to you, if you are willing to risk hooking up the wire without the diodes. (There is a good chance that there will be no problem, but no promises.) The shortwave landscape has changed in the recent past.Are you a Sirius radio subscriber? If so, you’re in for a treat. With a Sirius radio subscription, you can listen to over 200 commercial-free music channels, plus exclusive sports,...Step 1: The Idea. The Raspberry Pi Zero W is an incredible bite-sized linux computer that opens the door to so many cool projects and possibilities. I thought it'd be cool to make a Spotify streaming radio, but with a bit of flare. The goal is to make it look like a retro radio with working knobs that displays the album art of the song that's ...Shortwave antenna plans and links category is a curation of 56 web resources on , Long Loopstick Antenna, Dual-Band X-Frame Shortwave RX Loop Antenna, Rhombic Antenna for Shortwave Radio Broadcasting. Resources listed under Shortwave Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio …It's a simple matter to measure and assemble a 22-foot piece of the line and then cut back one conductor on each side to the proper length for 10 meters. You can do the same thing for the 40/80-meter sections, but you can reduce the amount of open-wire line needed by splicing on a single wire for the 80-meter extension.The world of shortwave listening and radio reception is a fascinating and diverse one. There are different paths from shortwave listener to licensed radio amateur, each with its own fascination. As a shortwave listener (SWL), you can prepare yourself for amateur radio by listening to the shortwave bands and collect QSL cards, even without an ...DIY RADIO 40M CW Shortwave Transmitte r QRP Pixie Kit Receiver 7.023-7.02 6MHz. Opens in a new window or tab. Brand New. C $4.75. Top Rated Seller Top Rated Seller. or Best Offer +C $2.02 shipping. from China. Free returns. 50 soldMost of the drilling and cutting is quite straightforward. The three 3⁄4in. (19m.m.) diameter cut outs are made using a chas-sis punch. When the two 3⁄4in. diameter holes in the chassis have been made the positions of the two smaller holes for the coilholders are located using the coilholders themselves as templates.This item: SDR Radio Receiver, HF Transceiver, Stable Output HF QRP SDR Radio Receiver SSB CW with Microphone for Signal Reception, Shortwave Transceiver for DIY Radio Communication (US 110-240V) $214.66 $ 214 . 665. Broadcast. Run the PiFM code. You’ll do that by running a command like “sudo ./pifm awesomejams.wav 100.0”, where that “100.0” is the frequency in MHz on which you’re broadcasting ...Feb 25, 2020 ... Comments205 · Cheap SWL Antennas - Listening to Shortwave Radio With Scrap Wire · AM Loop Antenna from PVC Pipe · Wrapping a Vertical Long Wir...Building an antenna and receiving ham and shortwave stations with SDR. In my previous blog on the topic of software defined radio ( SDR ), I provided a quickstart guide to using …3. Make a simple wire antenna. Cost: Free (or, at most, $10-15) Most shortwave portables radios on the market today have a telescopic whip antenna that will suffice for casual listening. But often you can increase the antenna gain by simply adding more length in the form of a simple thin wire.Attic AMSAT Antenna - Working the Ham Radio Satellites With A Rotatable Computer Controlled Yagi Attic Antenna; First Portable Solar Setup For Ham Radio - Bioenno Solar Charge Controller SC-4830JUD and TCXW 100 Watts 12 Volts Portable Solar Panel KitHanging "HUMMINGBIRD FEEDER" bird feeder 10-40m HF Antenna Instructions. This hides the outside loading coil so your random wire will tune up on 10-40m. Puts substansial portion of your radiated RF outside your apartment-condo. Here is a brief description until I put up a page: Buy a plastic hummingbird feeder with standard glass syrup jar.Many small tuning ranges (37.9 kHz at 10 kHz and 61.7 kHz at 30 MHz) can be tuned by the 10 turn potmeter. Press the up/down switches to go to the nearest next small tuning range. For large frequency changes, set S1 to coarse tuning. Otherwise you have to press the up switch 1000 times to go from 10 kHz to 30 MHz!!My SuperHet radio uses hand wound coils in the Antenna transformer, two IF transformers, the Local Oscillator, and the Beat Frequency Oscillator. It covers the 80M or 3.5Mhz band. The Antenna transformer and Local Oscillator coil used in the Frequency Converter or Mixer Stage are pluggable, allowing them to be swapped out to cover other bands.11 thoughts on “ Tom builds a portable Loop-On-Ground antenna ” i700plus February 6, 2022 at 11:59 pm. With my Airspy HF+ Discovery its the best antenna in my area in the middle of a HOA in a subdivision with homes all around me with pool pumps and solar chargers and grow lights since we have legal MJ here. 🙂 I’ve tried a OCF Dipole at 83ft/50ft split, an above ground 200 ft loop ....

Popular Topics