Diy shortwave radio

1. Form a three inch coil with seven turns. Secure into a round shape with ties or tape. The attached alligator clip shown below will be connected to no less than 60′ of your antenna wire. Generally the longer the antenna wire the better so if you have a 100′ antenna wire, that's good. 2.

Diy shortwave radio. 5. 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 ...

Jun 29, 2019 ... Comments173 · Prepping Do It Yourself Tip Shortwave Long Wire Antenna · Shortwave radio antenna and ground demonstration · How to make a Ham R...

This item SDR Transceiver Radio Receiver HF QRP 8 Band SSB CW Shortwave Radio Receiver Transmitter Aluminium Alloy for DIY Radio Communication(US Plug) Eton - Elite 750, The Classic AM/FM/LW/VHF/Shortwave Radio with Single Side Band, 360° Rotating AM Antenna, 1000 Channels, Back-Up Battery Packs, Commitment to PreparednessOpen Source SDR Transceiver Radio Receiver with 8 Bands, USDX QRP HF, DIY, Built in Lithium Polymer Battery, for Shortwave Radio Transmission (US Plug) Visit the Cuifati Store. $176.67 $ 176. 67. Eligible for Return, Refund or Replacement within 30 days of receipt .Best Overall (Best shortwave radio of all time): Tecsun PL880. Best shortwave crank emergency radio: Sangean MMR-88 AM/FM weather-alert. Best AM/FM portable radio: Sony ICF-P36 Black color. Best small shortwave radio: C Crane Skywave SSB NOAA Weather Alert, Scannable VHF Aviation Band.Radio waves are used to receive and transmit signals between two objects. These waves help to transfer signals from broadcasting stations to televisions and radios, and they are al...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.

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.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.Many thanks to SWLing Post contributor, Giuseppe Morlè (IZ0GZW), who writes: Dear friends, I'm Giuseppe Morlè from Formia, central Italy on the Tyrrhenian Sea. I want to share with you my latest ferrite antenna for listening; it is composed of 3 ferrites of 20 cm each in a tube for electrical systems with 2 separate windings, one for medium waves and one for short waves, 40 turns for ...Don't forget to use adequate lengths of rope, or safety cord for this project. You can use PVC pipe here as an insulator. Cut 3 or 4 pieces of 1 1⁄2 inch (3.8 cm) PVC pipe about 6 or 7 inches (15.2 or 17.8 cm) long. Drill 1⁄2 inch (1.3 cm) holes using a good drill bit, and never drill close to the end of the pipe.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 ...It sounds like you're currently using a slinky antenna and a portable PK Loop HF antenna. The PK Loop. You're on the right track with a PK Loop if you live in an apartment and have no way of putting an antenna outdoors. Being a small magnetic loop antenna, the PK Loop should help mitigate a bit of the noise in your apartment building.I bought a Sony five-band shortwave-receiver specifically for recording weird tuning-noise and radio-chatter. The circa-1981 Sony ICF-6700W has a digital frequency display and flywheel-weighted tuning-knob with excellent ballistics. It also has a headphone-out and a "record-out" (of unknown level).

N. Magnetic conductivity: 100. Overall dimensions: outer diameter 31 mm * height 7 mm * diameter 18 mm. Center frequency: 15 MHZ. Application frequency: 1-30 MHZ. Waterproof Case Size: 65mm * 60mm * 35mm. This kit uses a low-permeability nickel zinc NXO-100 high-frequency magnetic, high-quality wire, waterproof box package, stainless steel ...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.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 ...01. Sangean ANT-60 Shortwave Antenna. Check Price on Amazon. Allow us to introduce the versatile Sangean ANT-60 antenna, designed to enhance the performance and reception of any shortwave radio. What makes this indoor shortwave antenna particularly appealing is its compatibility with various shortwave radio models, not limited to Sangean alone.DIY notepads are very simple to create. With just a few items you can design your own notepads for friends, family or yourself. Get started on this fun and easy craft today. To sta...Part 3 of this series is all about antenna options. While nearly any antenna will bring in a few of the stronger stations, A good shortwave antenna will brin...

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DIY Radio Receivers For Cheap With Found Materials. Time Required: 1–3 Hours. Difficulty: Easy. Price: $0-$50. Print this Project. By Shortwave Collective. Shortwave Collective. An international, feminist artist group, established following a workshop at Soundcamp in May 2020.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 ...The small single turn magnetic loop (SSTML) antenna consists of a single winding inductor, about 3 feet (1 meter) in diameter, and a tuning capacitor. A second loop, which is one fifth of the diameter of the large loop, is connected to the feedline and this small loop is positioned in the large loop on the opposite side of the tuning capacitor.It is based on Genius idea of T.Uebo / JF3HZB to create virtual Analog rotating dial on Colour TFT screen. For the preparation of this section is used an ESP32 microcontroller, Si5351A I2C Signal Generator module board and 1.8 inch 128x160 TFT LCD with ST7735 chip. A rotary encoder is used to change the frequency.

Shortwave frequencies, also known as high frequency (HF) bands, are a range of radio frequencies that fall between 1.6 and 30 MHz. These frequencies can travel long distances, making them ideal for international communication. Vintage shortwave radios can tune into these frequencies, allowing the listener to pick up international broadcasts.QRP Manual DIY Antenna Tuner Kit 1 -30Mhz. This little QRP (low power) Antenna tuner has been around for a while and it is sold as a Kit from Aliexpress, Amazon, Ebay, Banggood to name a few. The price ranges from $8.00 through to $60 (discounted for the same group of components. The design is actually quite simple, building on some existing ...Get one here: https://amzn.to/36BfQtq Amazon Affiliate Store: https://www.amazon.com/shop/iridium242 Prep With My Patriot Supply: http://www.preparewithiridi...Shortwave and HF Listening. In a truly grid-down situation where the radio is your only tool to find out what’s going on in the world, the ability to listen to shortwave radio broadcasts and 2-way HF communication from hams or other radio operators could be a lifesaver, making an SDR receiver a prime source of intelligence.The simplest radio receiver, known as a Crystal Set, consists of nothing more than a coil, tuning capacitor, diode detector, and a pair of earphones. A typical circuit diagram for a Crystal Set Radio is given below where inductor or coil L1 is tuned by variable capacitor VC1 to the transmitter frequency. Diode D1 demodulates the signal, which ...Apr 22, 2023 ... One of the easiest and very effective ways to improve your shortwave radio reception significantly is by using a simple wire antenna.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.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 ...Use masking tape to fasten the foil square to the white paper. Tape all around the foil square to ensure it sits smoothly against the paper. 5. Fasten the paper-foil square around the paper towel roll. Wrap the square around the roll with the aluminum side facing out, and tape it to create a tube.If you know the specific band you would like to use you can get more gain if you trim it to the wave length of the frequency you want to use it on. 234 divided by frequency is the formula for 1/4 wave length for practicle antenna use (234/f). So if you wanted to listen mainly around 5MHz you are looking around 45 feet.

At the same time, diy shortwave radio kit is used to set the frequency and volume of a diy fm transmitter. This radio is made of high quality components and has a stable structure. And this diy shortwave fm transmitter kit is designed for diy enthusiasts, and has a wide range of uses. Complete radios, suitable for beginners and advanced players.

The Top 5 Shortwave Radio Antennas in the uS. Overall: Upgrade Version Loop Antenna MLA-30+. Pros. Cons. Best Outdoor Antenna: Alpha Delta HF SWL Shortwave Sloper Antenna. Pros. Cons. Best Indoor Antenna: Sangean ANT-60 Short Wave Antenna. Pros.Application frequency: 1-30 MHZ. Waterproof Case Size: 65mm * 60mm * 35mm. It production 1:1, 4:1, 9:1 the package using the the large size NXO-100 magnetic ring and 1 mm in diameter enameled wire, can work in the 1-30MHz shortwave, can withstand high power of 100W-200W, such as magnetic Barron's ideal kit. Types of antennas: 1: 1, 1: 4, 1: 9 ...A Vacuum Tube Based Shortwave Software Defined Radio. Vacuum tubes are not typically found in software defined radios, but this interesting mix of old and new technology by Mirko Pavelski uses one in it's front end. The way it works is that the analogue radio circuit receives a small range of spectrum, and then the tube acts as a mixer ...World-wide stations come in loud and clear Build this shortwave regenerative receiver kit and sit back and enjoy listening to the world. The VEC-102K covers all or part of 75/80, 49, 40, 30, 31, 20, 25, 22, 19, 17, 16, 15, and 13 Meter bands. It lets you listen to AM, SSB, CW, WWV, RTTY, and packet. The kit offers smooI bought a Sony five-band shortwave-receiver specifically for recording weird tuning-noise and radio-chatter. The circa-1981 Sony ICF-6700W has a digital frequency display and flywheel-weighted tuning-knob with excellent ballistics. It also has a headphone-out and a "record-out" (of unknown level).Homebrewing antenna tuners category is a curation of 96 web resources on , ICOM Tuner Connector, Balanced Antenna Tuner, A Versatile SOTA Antenna Tuner. Resources listed under Antenna Tuner category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators.Step 4: Circuit and Working. The circuit diagram of simple shortwave voice transmitter is shown in Fig. 1. It is built around power transistors 2N2219 (T1), BD139 (T2), and low-power audio amplifier LM386 (IC1) Transistor T1 is configured as a pierce oscillator whose frequency is determined by XTAL1. Resistors R1, R2, and R3 provide biasing and ...468 divided by 5.90 = 79' 3". 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 about 435 feet of wire for this antenna plus appropriate length of coaxial cable.A little quick Shortwave radio I put together just for fun, took 1-hour to create on the breadboard, and a little more fiddling with the various coils for di...

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If your main interest is VHF then it may be adviseable to build the receiver for 10.7 MHz and use standard VHF (Pye, Storno, Trio 2200, 44MHz) crystals in a ...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.Circuit Operation. The figure below shows how the single transistor radio can be made, we can clearly see that it just involves a single transistor as the main active component.A regular type of MW antenna coil has been used for collecting or sensing the MW receptions. The coil is tuned using a GANG condenser or a variable capacitor which is ...Today I'm counting down my Top 5 favorite antennas for Shortwave SWL Radio! I have put links below to kits that make it easy to construct these antennas and ...Vacuum tubes are an old, but fascinating technology that was used before transistors were invented. We can learn how simple circuits were back then if we bui...item 8 PIC Version 8W Super RM RockMite QRP CW Transceiver HAM Radio Shortwave DIY Kits PIC Version 8W Super RM RockMite QRP CW Transceiver HAM Radio Shortwave DIY Kits. $14.29 +$3.00 shipping. Best Selling in LCR Meters & Impedance Analyzers. See all.2.8 inch TFT colour display with Touch screeen. Small D-Class power amplifier board. Speaker. Lithium Battrey 3.7 Volts. Lithium battery charger. Upconverter board 3.7 to 5V. Rotary encoder. and Potentiometer. Si4732 chip can be purchased on Aliexpress at a price of about US $ 10 for one piece, or US $ 21 for 5 pieces.Simple Active Antenna amplifier circuit. This circuit is the easiest with only one FET. And other equipment just a little more. In experiments using this circuit with many a short wave radio. They have similar results with the shortwave radio antenna size 20-30 feet. When used with a conventional MW radio receiver.S-Pixie CW QRP Ham Amateur Shortwave Radio Transceiver 7.023 7.050 Mhz DIY Kits with Transparent Acrylic Shell. $1599. FREE delivery Thu, May 9 on $35 of items shipped by Amazon. Only 10 left in stock - order soon.Eton Executive. C Crane CC. Tecsun PL880. Eton Grundig. Sangean ATS-909X. Some of the finest shortwave radios on today's market are highly-portable, allow a great bandwidth range selection, and have external antennas that provide great reception even at remote locations. In this guide, we will compare the top models for 2021 and then talk a ...Popular radio personalities like Howard Stern receive a salary of nearly $80 million a year. The salaries of radio personalities varies from individual to individual, but most well...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 ... ….

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.Jun 6, 2018 ... Comments189 · Make Your Own Shortwave Speaker Wire Antenna! · How to listen into radio signals from around the world with an SDRplay box and a .....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 userFix one end of the wire and secure it with a tape. Cut the cord of the phone and spread out the wires inside by two inches. Make an antenna. Check if it works. Building a shortwave radio is quite easy because the materials needed to build them are not difficult to find.3 thoughts on “ 1942 One Tube “Beginner’s Special” Receiver ” Pingback: 1942 Two-Tube Broadcast/Shortwave Receiver | OneTubeRadio.com Magda John June 1, 2018 at 12:55 am. Hi, My name is John, I remember when I was 10 years old I built a one tube radio using a 1t4 tube, my recollection of the power was with a 1.5 volt battery and …﹀Multifunctional Antenna: The DIY short wave radio telescopic antenna with MagicalANT 3 in 1 short wave antenna can realize 3 kinds of setup methods, NVIS antenna, positive V antenna and GP antenna can be set up. ﹀Lightweight Compact: Short wave radio telescopic antenna material using aluminum alloy shell, very lightweight and compact, easy ...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.A little quick Shortwave radio I put together just for fun, took 1-hour to create on the breadboard, and a little more fiddling with the various coils for di...May 22, 2020 ... Categories: 31 meters, Amateur Radio, Electronics, manhattan style, Q-Multiplier, Radio, Shortwave radio, Superhet | Tags: Amateur Radio, DIY ...DIY SW, MW, SDR Radio with ESP32 and Si5351. Sensitive retro look radio capable of receiving signals from middle wave and short wave band. Advanced Full … Diy shortwave radio, For the specifics of winding your inductor, it is best to rearrange formula 1 to find the value of L for a given capacitor value and a given target frequency: L = ( 1 (2πf))2 C−1 (2) (2) L = ( 1 ( 2 π f)) 2 C − 1. So for your shortwave example, if your capacitor is set to 500 pF (500 x 10 -12 farads) and you wish to receive a frequency of ..., Portable Radio Receiver Kit FM PCB DIY Electronic Kits 76MHz-108MHz (86) $ 9.75. FREE shipping Add to Favorites ... 450pf (meshed) AM FM Short Wave Antenna Tuner Ham Radio Electronic diy kit David. 5 out of 5 stars "I love this electronics kit" Portable Radio Receiver Kit FM PCB DIY Electronic Kits 76MHz-108MHz Roger. 5 out of 5 stars ..., It's a simple L match using a single variable capacitor and coil. For the coil I wound ~100 turns of 26 Ga wire on a one inch diameter wooden dowel. The wire size can be whatever you have on hand. I twisted a tap every 10 turns. I drilled a hole in each end and glued in a machine screw to mount the coil to the bottom of the enclosure., 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., Radio broadcasting has come a long way since its inception, and technology has played a vital role in shaping the industry. One such technological advancement that has revolutioniz..., 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%., Forty-9er 3W CW Shortwave Radio Transmitter Receiver, HAM Radio QRP Kit, Telegraph DIY Radio Kit (NOT Assembled Yet) 9. £1522. Was: £16.27. Save 5% with voucher. FREE delivery Tue, 19 Mar on your first eligible order to UK or Ireland. Or fastest delivery Tomorrow, 17 Mar. Only 1 left in stock (more on the way)., Again, you will need a high-quality splitter cable that has a frequency range within your interests. To split the signal, connect the splitter to the adapter and plug the adapters into each antenna. Then, connect the radio to the adapter using the SL 239 connector. This will split the signal between the two antennas and allow the radio to ..., A Simple Regen Radio for Beginners. Need a simple, fun project possibly for a Scout Radio Merit Badge? This project is a great way to introduce kids of any age to electronics and shortwave listening. ere’s a low cost, simple-to-build, portable shortwave Hreceiver., ﹀Multifunctional Antenna: The DIY short wave radio telescopic antenna with MagicalANT 3 in 1 short wave antenna can realize 3 kinds of setup methods, NVIS antenna, positive V antenna and GP antenna can be set up. ﹀Lightweight Compact: Short wave radio telescopic antenna material using aluminum alloy shell, very lightweight and compact, easy ..., This 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" ..., 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..., Shortwave listening is alive and well. From decoding digital tones, listening to broadcast stations or amateur transmissions - all can be a lot of fun. I hav..., 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., It's a battery driven shortwave tube radio kit which can be assembled in just a couple of hours. I have built one and it works surprisingly well, even with an antenna of just 5 meters length (usually not really enough), I was able to receive broadcasts [in Finland - Ed.] from as far as China, India and the Middle East in good quality. The kit ..., 7.030 MHz crystal - The kit comes with a 7.023 MHz crystal. This frequency is in the "Extra Only" portion of the 40 meter band. This replacement crystal will let Technician and General operators transmit in their own portion of the band. eBay details. 3.5 mm plug for a CW key - This will let the operator connect a straight key to the ..., Now, we are starting to construct the radio and first make the coil. For making the coil use a toilet roll or PVC pipe and afterward wind 80 turns of enameled copper wire on that roll. When the winding finishes securely with glue or tape. Remember to scratch the wire enamel from the two parts of the enameled wire with the blade., S-Pixie CW QRP Ham Amateur Shortwave Radio Transceiver 7.023 7.050 Mhz DIY Kits with Transparent Acrylic Shell. $1599. FREE delivery Thu, May 9 on $35 of items shipped by Amazon. Only 10 left in stock - order soon. , 2.8 inch TFT colour display with Touch screeen. Small D-Class power amplifier board. Speaker. Lithium Battrey 3.7 Volts. Lithium battery charger. Upconverter board 3.7 to 5V. Rotary encoder. and Potentiometer. Si4732 chip can be purchased on Aliexpress at a price of about US $ 10 for one piece, or US $ 21 for 5 pieces., These free plans will guide you to convert a classic home radio to receive shortwave transmissions. Here is the most inexpensive route to short-wave listening—the conversion of a table model radio. JUST above the broadcast band exists the bustling activity of various communications services. A sweep across the dial from 1.7 to 5.5 mc will ..., Figures 10A and 10B show a coil designed to cover the 4-14 MHz shortwave bands, including international broadcasts and amateur radio. It requires heavier gauge wire (#16) and larger slits in the spiderweb coil. Because of the very wide tuning range, you may have difficulty tuning signals precisely. FIGURE 10. Template of spiderweb shortwave coil., 7.030 MHz crystal – The kit comes with a 7.023 MHz crystal. This frequency is in the “Extra Only” portion of the 40 meter band. This replacement crystal will let Technician and General operators transmit in their own portion of the band. eBay details. 3.5 mm plug for a CW key – This will let the operator connect a straight key to the ..., Jun 6, 2018 ... Comments189 · Make Your Own Shortwave Speaker Wire Antenna! · How to listen into radio signals from around the world with an SDRplay box and a ....., R1 - 10 kOhm. R2 - 150 kOhm. R3 - 1 kOhm. That's all you need to make this shortwave transmitter circuit . Power up the circuit with a clean 3 V to 5 V DC supply, i.e with a single Li-Ion battery is. You can also replace the 10.7 MHz ceramic resonator with any other between 2.3 MHz to 26 MHz range., Fix one end of the wire and secure it with a tape. Cut the cord of the phone and spread out the wires inside by two inches. Make an antenna. Check if it works. Building a shortwave radio is quite easy because the materials needed to build them are not difficult to find., Just like the DIY SWL Kits made famous by your local Radio Store years ago ; Brief content visible, double tap to read full content. Full content visible, double tap to read brief content. ... GOOZEEZOO Active Shortwave Radio Loop Antenna GA450 with BNC Cable SW 2.3-30MHz MW 522-1710KHz Portable Receiving Antenna for Ham Radio 26. $89.99 $ 89. 99., 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 ..., DIY notepads are very simple to create. With just a few items you can design your own notepads for friends, family or yourself. Get started on this fun and easy craft today. To sta..., MFJ 8100K World Band Receiver Kits MFJ-8100K. ( 11 ) Part Number: MFJ-8100K. $119.95. MFJ 8100K World Band Receiver Kits. World Band SWL Receiver Kit, 10 ft. Wire Antenna, 3.51-22 MHz, Volume/RF Gain Control, 2 Earphone Jacks, Each. See More Specifications. Only 9 left in stock - order soon., 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 ..., 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., By Phillip Torrone. The shortwave radio projects keep coming in, here's a great kit-. Many pieces of ham radio equipment are available as kits. Ten-Tec offers two kits in the $30 range that are good beginner projects. One is the 1054 4-band Shortwave Regenerative Receiver and the other is the 1056 "any band" CW/SSB Direct Conversion Receiver., Simple Breadboard SDR For Shortwave. 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 a simple HF SDR ...