Can I Use A Computer Power Supply On A Ham Radio
Over on YouTube the Ham Radio 2. I think it should be powerful enough to run my 4watt cb radio. The best ham radio base station is the perfect way to communicate internationally without any cost with your ham radio. The supply provides a 6. It's an MFJ-4225MV Switching Power Supply that plugs into the wall (120 vac) and has an output that's adjustable from 9 vdc to 15 vdc. This protocol is optimized for "point to multipoint" topology, with the help of managed-TDMA. The following diagrams show how this is accomplished with various systems. So, before getting started, you may want to get your hands on the right equipment. Provides power for radio, and can also slow-charge the battery when the radio is turned off. It is recommended that you start with the power supply board, especially if you have never soldered SMD parts before. I would only use the yellow tops in an application where your running a base VHF/UHF radio at 5-10W. Ham Radio Store on Newegg Marketplace offers the best prices and selection of products. This dual band radio is type accepted by the FCC for Part 90 Business Band also. Radio Shack 3A Switching Power Supply (Cat. Find low everyday prices and buy online for delivery or in-store pick-up. This is a good kit if You want to work on point to point wiring and soldering skills. When I hook up my Multiplex LN-5014 charger to it, the charger gives an input voltage error, though the manual lists the input voltage at 11-15V. Since the digital ham radio systems borrow technology from commercial systems, also the codec definitions have been adopted. 8 03-Dec-2010 (ham) radio operators around the world. That’s okay, there’s a dandy reostat you can use to adjust the output. Comes with programing lead a £150. Do Not Use Existing Vehicle Wiring. ] A ham radio mobile installation also presents some unique and sometimes vexing challenges for the operator to overcome. With all radios, there will be extra expenses beyond the cost of the radio, with handhelds, you'll probably want an extra battery, and charger, and probably an aftermarket antenna. Stream SiriusXM on the go and at home. I think it should be powerful enough to run my 4watt cb radio. There is a youtube video: Modifying a Computer ATX Power Supply For Higher Output Voltage - but be very careful. Follow these steps to safely connect your car stereo to your home power supply. Powering a 100w radio in a way that allows continuous use for a day can be a challenge. I tried a resistance of about 16 ohm to load it. 1 V at 3A the board needs. Unlike most power supplies for amateur radio use on the market, the HP units offer power factor correction and have the added advantage of working from any mains voltage between 100-240 VAC, 50 or 60 Hz, thus can be used in Europe without any modification. How to build your own Power Supply. HAM RADIO About 1982 one of my sons became interested in Chicken Box (Citizens Band) radio. With everything else you'll need to add an antenna(s) and feedline, and power supply for fixed station use. if you are going to use a computer powersupply you must use diodes or you could cause damage to the power supply unit. This antenna is in good shape. Microphone Mute Proximity com/education. (7)Power Supply- 350Watt standard. The purpose of this aquisition is to help me testing RF filters (sweep/wobble), inject a signal into a receiver and trace it along different stages, test attenuators, generic RF ham radio homebrew projects for HF band, up to 20Mhz actually. It's an MFJ-4225MV Switching Power Supply that plugs into the wall (120 vac) and has an output that's adjustable from 9 vdc to 15 vdc. Linear Power Supply Design and Theory. In electrically noisy environments, even very short cables can pick up stray signals. One I use for a base station the other one is mounted in a oversize. These devices provide both battery charge management and load management features. com FREE DELIVERY possible on eligible purchases. So i removed the 4 screws on the top of the PS to open it. Computer power supplies cost around US$30, but lab power supplies can run you $100 or more! By converting the cheap (free) ATX power supplies that can be found in any discarded computer, you can get a phenomenal lab power supply with huge current outputs, short circuit protection, and reasonably tight voltage regulation on the 5V line. if your done cleaning, try to replace your power supply a higher wattage's value cause sometimes if the power of it cant give a exact voltage it can cause also to shot down your PC. This includes fuse taps, and so-called accessory sockets, aka cigarette lighter sockets! In part from the National Fire Protection Association, sub-section 15-3. The additional transmit power does not have to be utilized, but if needed, it is there. I also wanted to try to bring to ham radio the promise of SO2R based in software as an extension of the automated station, and to a very large extent we have created this also using N1MM as the contest interface. We're going to start out small, inexpensive and low-power. This is especially true for starter radios that are known to be high on features and design but low on intuitive usability. Radio Shack 3A Switching Power Supply (Cat. [email protected]
• HSMM-MESH uses off-the-shelf commercially available hardware that has its internal software changed to perform completely different from a Wifi router. Least expensive but far more work: Build the Pacific Antenna DIGITAL DIAL from qrpkits. Each circuit has a job. The ATX breakout board routes the -12, 3. The main category is Power supply projects that is about Power supply projects and modifications for ham radio. It is recommended that you start with the power supply board, especially if you have never soldered SMD parts before. The Field Day site locator is now up and running, and, to date, around 400 sites already are in the database. Ham Radio → Hybrid power supply idea. Running car stereo head unit indoors? then it would be a good idea to use a power supply that can provide about 10A on the 12 Volt line. If you, your family or your neighbors haven’t heard your signal coming from their computer speakers you are quite a lucky ham. Ham radio may seem like an irrelevant and forgotten proto-technology, yet, the truth is that ham radio is internationally standardized and acknowledged as a service. These adaptors use state-of-the-art switching power supplies and feature some major. RotorCard SDX for Computer RS-232/USB Control of Yaesu SDX Rotor Controllers by Ham Supply – Invented, Patented and Manufactured in the USA. Get the best deal for Radio Communication Power Supplies from the largest online selection at eBay. The Hidden FM Radio Inside Your Pocket, And Why You Can't Use It : All Tech Considered Most smartphones have a built-in FM chip. Just connect it to a wall wart. It's ideal for use on a test bench when working on car stereos, CB sets or other communications equipment. lots of screen shots, videos, and getting hams to check out andy's ham radio livecd for learning more. And as far as making do with existing technology, it's great. A simple TNC for megabit packet-radio links Matjaž Vidmar, S53MV 1. Answer A is carrying power, and D is data. System power is provided by the FT-897’s FP-30 power supply. With features that are more or less hit or miss for what you need. Why wouldn't it be possible to run a station, or any other electrical device, on solar power? Most amateur radio equipment can run on a 12V battery, usually lead-acid. NPR (New Packet Radio) is a custom radio protocol, designed to transport bidirectional IP trafic over 430MHz radio links (ham radio frequencies 420-450MHz). CAVEAT EMPTOR applies as in all things. One I use for a base station the other one is mounted in a oversize. If the government wants to track people down and take their radios they can use directional antennas to find you. The wires coming out of a computer power supply are made to supply smaller amounts of power to the various parts of the computer rather than just having one output to a radio which may use more power. APRS is a standard used by amateur-radio operators to broadcast location and sensor data. Home \ Electronics \ 12VDC Power Supplies Whether you're looking to power a small 2-amp radio or a 12-volt 60- amp power supply, we have a large selection of CB radio power supplies, HAM radio power supplies, and AC to 12V DC converters available for you. Got a old computer or power supply laying around? Put it to good use, by converting it to a 12 volt supply for a CB or small ham radio. We also have nearly 100 modification kits for CB radio and ham (amateur) radio. [email protected]
If you cannot trim the voltage, there's another possibility. Converting PC Power Supplies for Amateur Equipment Modern PCs use well designed, high capacity and reliable switch mode power supplies (SMPS), which ought to be ideal for amateur use. Don’t forget to share your views once you read it! What is a power supply? A power supply is a device which delivers an exact voltage to another device as per its needs. In build 6,and 2 meters with built in power supply and on board computer,, new 7610, (Ham Radio Outlet, Denver. Amateur ( Ham ) radio is not "CB". LimeSDR can send and receive UMTS, LTE, GSM, LoRa, Bluetooth, Zigbee, RFID, and Digital Broadcasting, to name but a few. Of course, while there are no more Morse code exams, lots of ham radio operators still use Morse code, and you're free to join in. You can see some info on how I did that here: /wh7da-mobile/ Today, I setup the FT-857D in my Dodge Ram with a friend’s Yaesu FC-40 tuner and a random wire dipole. once you exceed that ampage by adding another powersupply, the parts internally can go bang!. Has anybody here tried using a computer power supply to run their HF rig? If so, I have some questions for you: Can you compare the noise using the computer PSU to other power sources? Is it quieter? Did you have to tie multiple 12v rails together? Can this be accomplished? For example, to drive a radio pulling 350w? Did you use any additional. Yes this is true 12 volt is a more common name and I have my power supply tuned to 13. My New Favourite Social Network Is Ham Radio. In many ways, it's a software defined radio -- the real radio is just dropping a 2. I tried a resistance of about 16 ohm to load it. I used a 150w supply once to power my basic Sony radio, and if I turned up the volume a little over a quarter, the PSU cut out, which was a pain in the butt as the speakers I use are rather weak and need good volume to be able to hear anything. And about 70/80watts ssb. I also wanted to try to bring to ham radio the promise of SO2R based in software as an extension of the automated station, and to a very large extent we have created this also using N1MM as the contest interface. 8 vdc power supply. Ham Radio Technician License. We're going to start out small, inexpensive and low-power. It is a raspy hash that, by comparison, would make a flatulent water buffalo seem melodic. 6 Way Multi Charger for BAOFENG UV-5R Ham Radio, US $ 1 - 39 / Set, baofeng radios charger, walkie talkie 6 way charger, WALKIE TALKIE. See Chapter 26, Test Procedures and Projects. How to Convert a Computer ATX Power Supply to a Lab Power Supply. The Field Day site locator is now up and running, and, to date, around 400 sites already are in the database. On the surface it seems as though they supply the perfect solution: Inexpensive, high current, regulated 12V DC supplies for a fraction of the cost of specialized amateur. Buy eTopxizu 12v 30a Dc Universal Regulated Switching Power Supply 360w for CCTV, Radio, Computer Project : Internal Power Supplies - Amazon. Computer power supplies cost around US$30, but lab power supplies can run you $100 or more! By converting the cheap (free) ATX power supplies that can be found in any. One highlight of the FDM-DUO is the possibility to use it standalone without a computer also. Inspired by the articles (referenced below), this is my build of a 13. 3V (orange wire) from the other. NPR (New Packet Radio) is a custom radio protocol, designed to transport bidirectional IP trafic over 430MHz radio links (ham radio frequencies 420-450MHz). In many ways, it's a software defined radio -- the real radio is just dropping a 2. One way is higher-end HAM radio with the APRS TNC built-in. We sell high powered MegaWatt Ham Radio CB Radio Linear Amplifier Power Supplies, best Mobile Radio Power Supply, Shortwave and HF too, All Amateur Radios, 50 Amp, 36 Amp and 33 Amp 9 to 15 volt output 120 or 240 volt AC input. All of these things, efficiency of the load, the load power usage, the regulation method (such as switched vs linear), and the ability to dissipate heat will affect the current capacity needed for a transceiver's power supply. In addition computer power supplies can generate unwanted noise and hash that can interfere with your radio, much better to go with a good commercial power supply large enough to power all your radios at the same time. please help me i search in youtube about the tutorial on how to power a car stereo using a computer power supply, i cut the green, 2 black, 2 yellow wires from power supply, i connected the green wire and black wire , and also the yellow to yellow , on my car stereo i connected the yellow wire to red wire. You must need to take ham radio license or follow government rules regarding ham radio. Ham Radio Power Supply. Each radio has 32 channels (old versions only 8 channels) so multiple radio pairs can operate at the same location without interference. sir i have a problem about this. La Voz de los Andes, Radio Habana, NHK from Japan. Power is regulated using the Super Powergate 40S so with battery connected, auto failure is provided and battery is charged when AC is available. Computers also use switching power supplies. 8 but I am looking to power my KL-503 "Italy" I am using a switching power supply that is 30 amps seems to be doing the job and handling the task of 480 watts peak but I am not sure. Linear DC power supplies were the mainstay of power conversion until the late 1970’s. The radio has a pin to sense 12 volts from your car's ignition so that the radio will power on when you turn the ignition key, and turn the radio off when you turn the key off. If you don’t have the right equipment, it is probably safe to say that you don’t have the best ham radio. HamCity has more than 30 years of experience in the amateur radio equipment business! Please visit us today for all your ham radio needs!. I have the antenna and feed built already…. In most power supplies the + and the - would be floating (isolated). It allows millions to communicate worldwide using speech, computer data, and morse code, just to name a few. That is; regardless of who you are and where you live, you can use a ham radio base station. A CAR Radio transmitters to use in the home, need a ham radio power supply DC-12V or high current 13. A Solar Powered Ham Radio Station There's an interest nowadays in alternative forms of power but the most popular for Amateur Radio Operators would have to be Solar Power Although I don't know much about solar systems, I can share with you what I do know. So i removed the 4 screws on the top of the PS to open it. ) Amazing Breakthrough In Compact Portable Backup Power — Charges Your Phone, Laptop. Line cord switches may be obtained from a hardware store. Transform data into actionable insights with dashboards and reports. Examples of CAT interfaces are Icom’s CT-17 and Yaesu’s FIF-232 and CT-62. LEARN MORE. West Mountain Radio offers a variety of power management devices to protect both the radio equipment and the power systems they are connected to. In the picture, you can see the antenna in the background and I've got the power supply sitting on the chair with the radio on a little table. Power Supply with built-in battery charger: For ease of use and install, the repeater you purchase must have a built-in power supply. Ham Radio Store on Newegg Marketplace offers the best prices and selection of products. The Tecsun S2000 Desktop Radio can be run from mains power or via D cell batteries (maximum current drain 250mA). Versatile, powerful and looking great, too. The power supply must be rated at 3 amps or more. This is especially true for starter radios that are known to be high on features and design but low on intuitive usability. This tutorial is the culmination of information that we distilled. Some have an adjustable voltage control with volt and current meters. The picture below the shot of the ONAIR sign is of the Net Book that has replaced the larger laptop to diosplay the frequency of the 7062G. The FCC requires that you use only the power necessary for a "QSO," which is the term for contact, or conversation between two radio operators. with a FireWire flash drive you can use another computer's target disk mode. The gain is internally set to 20 to keep external part count low, but with the addition of an external resistor and capacitor between pins 1-8 the gain can be set to any value from 20 to 200. This radio is. Contact the site with comments or questions. it will duplicate the input voltage on the output, scaled by R2/R1 set by the potentiometer R2. All two way radios must have a sufficient power supply to produce the proper RF power output. So I suggest using your separate station power supply for an external tuner such as the KAT-500. Many have recommended unsoldering the wire from the PSU and soldering on a heavier gauge. Thanks go to the ARRL for permission to use their article, and to George Henry KA3HSW for scanning it and PDFing it. 8V power supply with enough power out of 5A,10A,15A,20A,25A, and 30A as you need. Shop for computer power supply at Best Buy. Mega Watt S-400-12 Power Supply Review switching power supplies weren't the best for use with Ham radio or CB gear as they generated a lot of noise in receivers. and tuner also lot of things are on station but it is not working on the noise may be you can tell me what or how to do it for less receiving noise I bought them from Palomar Engineers in CA. 49 KB; High Power Magnetron Transmitter. These power supplies (two Samlex model 1223's and a Radio Shack #22-510) were designed to be "RF Quiet" compared to more typical switching supplies. The main category is Power supply projects that is about Power supply projects and modifications for ham radio. Stryker SR-955HPC Radio ~ Stryker SR955HP ~ SR-955-HPC. Ham & Amateur Radio Transceivers. The picture below illustrates only one possible way to configure your station for immediate portable use. It is being designed and developed by a group of SDR enthusiasts with representation from interested experimenters worldwide. The HX1 is a low-power radio transmitter set to a fixed frequency of 144. Many include an option referred to as a Noise Offset. Voice-enabled home theater projector integrates with Amazon Alexa Smart Home and Custom Skills to enable projection to fluidly align with speakers, screen, lighting and more in any smart home setting. In the manual it states that the radio requires a 13. QRZ Call sign lookup and Ham Radio Super Site. Popular hf linear amplifier of Good Quality and at Affordable Prices You can Buy on AliExpress. I tried a resistance of about 16 ohm to load it. it works great. And, recently, we have been developing repair kits for CB and ham radio. the computer, keeping the interference from the PC to a minimum. Get rid of those bulky power-hungry heat-producing mains adapters. Power supply electronics overview Linear power supply Switch mode power supply Over-voltage protection PSU specs Digital Power Power management bus: PMbus Although modern power supplies are now very reliable, there is always a small but real chance that they can fail. Vacuum tubes almost always operate at high voltages, typically over 100 volts. Unintended high-resistance faults in wiring can. I think it should be powerful enough to run my 4watt cb radio. Lastly, you can set up a 12VDC power bus on your breadboard, and connect it to the Vin pin on the Arduino. Yes, it's possible. Our new Hammo-Can XL™ is a complete VHF-UHF Station in a box. A computer is the only place you are going to find something with 12Vdc available at that amount of power. 00: Your Price $36. Admittedly, that's not an easy task when you are starting out. Welcome to my Ham Radio site devoted to the Yaesu FT1000MP Series of Radios and Accessories!. How to Convert a Computer ATX Power Supply to a Lab Power Supply. Computer Power Supply Converted for Ham Use. Current flowing on the shield to the radio causes a longitudinal voltage drop along the mic cable, and that voltage will modulate the transmitter. 5v) PSUs with enough wattage to supply a decent ham mobile can be expensive. Ham Radio Technician License. 8 vdc power supply for such a small unit?. Yaesu FT-897D can operate on all Amateur Radio Bands in a variety of modes. To configure the TM-D700, follow the steps provided in Figure 3. Admittedly, that's not an easy task when you are starting out. It allows millions to communicate worldwide using speech, computer data, and morse code, just to name a few. Product (empty). First, you can still use a USB cable for power only. The BC-375 runs much better at +28vdc. How to get your ham radio license. Radio Hams can transmit and receive using satellites, and can send TV pictures too. Radio Amateur's Best Asset, Rig and Rotor Control, Logging, Digital Modes, and Satellite. With features that are more or less hit or miss for what you need. A Cat 6a LAN cable has 4 pares of twisted wires. Recycle an ATX computer power supply into a beefy bench tool that powers your projects. I use a Sony ICF-SW100 radio, which has an internal ferrite antenna, and can be tuned down to 150 kHz. I just took the power supply out of an old computer and made it into a amateur radio power supply. Power supplies that convert 120 volt AC power to 12 volt DC power are large, heavy, cumbersome electronics devices that take up a bunch of room on your desk right? Well all that has changed with the introduction of the switching power supply. I have also since installed two 6V 210AH AGM batteries on an open UHF repeater. The radio has 3 power levels (7 watt maximum), allowing you to choose how far you can communicate. 8VDC electronic devices or automotive accessories that have banana plugs or bare-wire leads. Repeaters are only available in some parts of the country. 1 Transceiver VFO SSB price from jumia in Nigeria. All I am trying to do is get more people informed on the licenses and the benefits of having one. The following diagrams show how this is accomplished with various systems. Every ham. I built a 30A 13. Recently, a work colleague became interested in ham radio for emergency preparation purposes. ARRL Field Day is June 24-25. Computer power supply w/ mobile ham radio « Reply #3 on: February 08, 2004, 04:14:07 PM » You can get a 15 amp 13. Versatile, powerful and looking great, too. DC Power Products. You should take into consideration both your present and future needs. and very easy to make. Power consumption is independent of load. But every radio I had did run off its power supply without a battery present. it will duplicate the input voltage on the output, scaled by R2/R1 set by the potentiometer R2. New in May 2012. Many have recommended unsoldering the wire from the PSU and soldering on a heavier gauge. A Transverter is a device that you can use to convert an old CB radio into a 222MHz radio. You cannot use the regulator form an alternator for a power supply. the op-amp provides buffering of your computer's audio output. And about 70/80watts ssb. In that case you can take your radio for a walk outside to see if you can pinpoint any noise sources, such as a neighbor's Plasma TV or a noisy power pole. Consists of two units, RF Deck sits on top of Power Supply. BATTERIES AMERICA - E. I think it should be powerful enough to run my 4watt cb radio. Bioenne Power is near Los Angeles, and over the last 3 years has established a serious presence in the ham radio market. SUPERNIGHT DC 12V 30A 360W Universal Regulated Switching Power Supply Power Driver for 3D Printer , HAM Radio Transceiver , Car Subwoofer amp Audio Amplifier and RC LiPo Chargers 4. Versatile, powerful and looking great, too. com [ 6 ] kit, and use it to give your vacuum tube rig a digital dial. net focuses on business uses for legal micro-power radio such as informational radio and talking signage applications. In the picture, you can see the antenna in the background and I've got the power supply sitting on the chair with the radio on a little table. The Corsair RM750x scores the top spot on this list for one simple reason: it’s the most well-rounded power supply you can buy today. - A great HIGH EFFICIENCY power supply for many applications! - Great for +12V or +24V Radio Control and Ham Radio projects, and featured extensively in RC and amateur radio forums. The wires coming out of a computer power supply are made to supply smaller amounts of power to the various parts of the computer rather than just having one output to a radio which may use more power. Local Emergency frequencies are preprogrammed in the FT-897D. matter how much power it supplies. Q: I have a power line connection at home. Before we begin, here is some background information on computer power supplies. 15 thoughts on “ The best general coverage transceivers for shortwave listening ” Tony Ward December 30, 2018 at 6:52 am. Originally used as a replacement for the paper logbook, the computer in ham radio has evolved nearly to the point of becoming a second op, controlling radios, sending and receiving CW, and linking your shack to […]. 3 volt outputs. Once again, the Base Station box (green background) is what I will have on my desk (EDIT: sans antennas). Most 100W rigs consume around 23 Amps at maximum output, so a 25 Amp supply will do. All of these things, efficiency of the load, the load power usage, the regulation method (such as switched vs linear), and the ability to dissipate heat will affect the current capacity needed for a transceiver's power supply. Everything else is either much lower power (printers, cell phone chargers, TVs, etc. Can HSMM Find a Real Home in Ham Radio. One of the outputs reads about 14. So, I set him up with our caravan (long gone, like everything else) to use as a CB shack thus finding myself involved with aerials and setting up a station. Ham Radio → Use the mobile as a HT and then just have the face and mic and such at my computer desk or radio desk (when I get it set up). This antenna is in good shape. Optoma UHD51A - World's 1st Alexa Voice assistant supported 4K UHD projector. Computer Power Supply Converted for Ham Use 12V (or 13. Window management is an issue and I'm still trying to master the best combination and positions for SmartSDR, DDUtil, CAT, DAX, FRStack, PstRotator, Ham Radio Deluxe, HRD Logbook, DM780, and VoiceKeyer! A second display is very likely in the future!. 6Kb/sec • 802. Listen to music, live sports radio, the best talk and entertainment radio. We are proud to continue to offer an ever-increasing line of high-quality products for Ham Radio! If your particular need is not listed here, call us with your specifications! We can ALSO rebuild most battery packs that may be otherwise irreplaceable. Unintended high-resistance faults in wiring can. com in a single category. The idea is to take an ATX form factor power supply (available for free from dead computers everywhere), hack off some wires, add about $5 worth of parts from the electronics store (like MCM Electronics) or the junk bin and end up with a bench power supply that has enough power to run many mobile transceivers as base stations. I used standard spade connectors (though mine are from Menards), again crimped and soldered, to connect everything to the power supply unit. Since at that time computers were not easily available and were much less capable than today, most amateurs started their activity on. Ham Radio Outlet, a large (for ham radio) chain of stores distributes their products. As with AC power grounds, the length of the conductor usually isn't an issue, but its current-carrying capacity is. 1st of all, most power supplies cant just be wired to work for 12 volts, the right way. it works great. Home \ Electronics \ 12VDC Power Supplies Whether you're looking to power a small 2-amp radio or a 12-volt 60- amp power supply, we have a large selection of CB radio power supplies, HAM radio power supplies, and AC to 12V DC converters available for you. I use this converter with a single wire antenna, about 10 meter long and only about 1. 3, 5 and 12 volt ATX outputs to screw terminals, each protected by a 1. The techniques that work for AC and DC power safety often don't work well for the high frequencies that hams use. YAESU FT-757GX HF transceiver ham radio with power supply. It started out as an EchoLink application for Linux back in 2003 but have now evolved to be something much more advanced. Conveniently, charging 12V lead-acid batteries is a very common application for solar panels. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Sales, Supplies, and Service. org Look for the "Clubs" section at top of their home page. Surface Pro 6. Each ones comes with a own power supply. Power consumption is independent of load. Velleman COMPACT SWITCHING POWER SUPPLY WITH SELECTABLE OUTPUT: 3 TO 12 VDC. Both the receiver and transmitter are load, and the regulation method of the power supply can be a load as well. So I suggest using your separate station power supply for an external tuner such as the KAT-500. Amateur (Ham) Radio items including Electronic Keyers, Rotor Enhancements, Bandpass Filters, Linear Amplifier Accessories, DX Books and more from HamSupply. I am not sure how much a neighbor's power line network would affect my ham radio operation, but I had to stop using the devices in my home because the radio noise was awful. The West Mountain Radio COMspkr is expressly designed for use with the PC in your ham shack. com provides Web Hosting and Ham Radio services. Repeaters are only available in some parts of the country. Yes this is true 12 volt is a more common name and I have my power supply tuned to 13. I'm about to start a new project and I'd really like this stuff out of my shop so prices are negotiable. Source from Quanzhou Kingtone Optics & Electronics Technology Co. The Hidden FM Radio Inside Your Pocket, And Why You Can't Use It : All Tech Considered Most smartphones have a built-in FM chip. The secondary supply used for other items not associated with the flex system, is a Pyramid Phase III Model PS-25, also with meters for voltage and current. HAM and amateur radio equipment is perfect for broadcasting hobbyists. 49 KB; High Power Magnetron Transmitter. LEARN MORE. In North America this frequency is used for the Automatic Packet Reporting System, or APRS. 5khz isn't really optimal for digital, it's optimal for voice. Yes, you can use a computer power supply for radios. In this radio, the switch on the volume control had two circuits, one for the 1. The power supply I have puts out about 15 volts at 8 amps. The display on the radio is great. Amateur Radio Station Grounding RCC Mar 2007 - Lane Giard, N7ZXP This article comes from Don Young, N7DY, which was in The Wenatchee Radio Club News letter. Since at that time computers were not easily available and were much less capable than today, most amateurs started their activity on. I've worked hard in my shack to keep the RF away and have been mostly successful, although on 80 meters I have to shut off the computer speakers because they buzz loudly. Converting PC Power Supply to Bench Supply Turn a surplus computer power supply into a bench power supply to run your amateur radio transceiver and other equipment Overview This project will show you how to turn an ATX power supply unit (PSU) from a computer into a bench power supply capable of providing the DC power necessary to operate your. So if you have some of those older CB radios that had a sideband switch or extra filters, donâ€™t throw them away just yet. 8 vdc power supply for such a small unit?. Cable and Connectors. #22-507) 6 3. ) Equipment has a design defect. It scans fast, and there are 3 setting on the scan feature. com [ 6 ] kit, and use it to give your vacuum tube rig a digital dial. On the surface it seems as though they supply the perfect solution: Inexpensive, high current, regulated 12V DC supplies for a fraction of the cost of specialized amateur. But, how can I easily drop the voltage down to (what to, anyway?) 13. Our batteries, at less than half the weight but with greatly enhanced performance characteristics, are highly attractive as enhanced power options for such applications. This is high current 12V power supply. That power supply was working fine, so what could be the cause for that big noise? After some time, I decided to open the computer for clean it ( Fans can accumulate a lot of dust ) and I checked the power supply also. Sales, Supplies, and Service.