GREAmerica PSR-310 GRE PSR-310 Analog Handheld Scanner

GREAmerica PSR-310 GRE PSR-310 Analog Handheld Scanner

  • Intuitive “Object Oriented” User Interface Design – Easy to use, yet powerful enough to satisfy sophisticated experts. Common data entry, browsing and control methods are used for conventional channels, Talkgroups, searches and Spectrum Sweeper setups.
  • Powerful and flexible Scan List Functionality – Arrange, group and scan objects according to your preference, with no limit to the number or types of objects in a Scan List, and no limit to the number of Scan Lists an object can be a member of.
  • Menu Driven Programming with Context Sensitive Help – Each menu item provides a few lines of help text that provide assistance with programming and using the scanner.
  • User Upgradeable CPU Firmware – Stay current with software enhancements as they become available with free upgrades from www.greamerica.com!
  • Flexible Free-Form Memory Organization – Memory is assigned as objects are created. Store over 1,800 conventional channels, Trunking Talkgroups, search configurations and Spectrum Sweeper objects in any combination.

The GRE PSR-310 triple trunking handheld scanner offers a host of features and some new technologies. This radio includes coverage of the new 700 MHz band, new 380 MHz federal band and has upgradable CPU firmware in support of future rebanding. The vast memory system can store 40744 objects in 20 dynamically allocated scan lists. The multi-system trunking capability scans most common trunked radio system signaling formats, including Motorola, EDACS Standard, EDACS Narrow, and LTR trunked radio s

List Price: $ 199.99

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YAESU FT-8800R

YAESU FT-8800R INSTALL FORD EXPLORER
Video Rating: 5 / 5

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Youth@HamRadio.Fun: The Young Amateurs Contest Ham Team

By Sterling Coffey, N0SSC
ARRL Youth Editor

Everyone has heard the phrase “If you build it, they will come,” and when it comes to ham radio, they will.

For quite some time, I have been receiving e-mail from the Young Amateurs Contest Ham Team (YACHT), but rarely do I read them, as most of the e-mails end up at the bottom of my inbox. But a few weeks ago I saw a particularly interesting e-mail enti…

American Radio Relay League | Ham Radio Association and Resources

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DSP Concepts: Audio Weaver on SHARC Processor Demo

DSP Concepts is a leading provider of embedded audio processing tools and services for a wide range of product categories. We work with product and algorithm developers to deliver customized solutions. We specialize in Analog Devices SHARC and Blackfin processor families. This is a demo of the Audio Weaver product running on SHARC ADSP-21371 processor
Video Rating: 5 / 5

freescale.com – High definition video demo featuring full-duplex H.264 1080p30 running on a single MSC8256. Exemplifies device performance and enables dynamic adjustment of resolutions and bit-rates.

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Surfin’: Google Earth Radio Tricks

By Stan Horzepa, WA1LOU
Contributing Editor

This week, Surfin’ features guest columnist Mike Schaffer, KA3JAW, of September 7 Surfin’ fame.

Upon posting my rare, out-of-season Costa Rican analog television Sporadic-E 1240-mile distance video on YouTube, I was curious about the broadcast towers’ location and appearance.

In my pursuit of this quest, I visited Wikipedia to obtain some information; how…

American Radio Relay League | Ham Radio Association and Resources

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miniVNA Demo Part 2 (Ham Radio)

This is the second video relating to the miniVNA antenna analyzer, I show you some details that I couldn’t fit into part one and I also show you my homemade grid dip meter here’s the link to part one (youtu.be where I show you my aerial setup for 80 and 20 metres and the start of the demo for the miniVNA Kind Regards … Andy gw0jxm

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The K7RA Solar Update

The average daily sunspot numbers rose this week from 56 to 81.3, while the average daily solar flux increased from 101.4 to 129.7. Sunspot numbers for September 20-26 were 68, 74, 46, 57, 90, 121 and 113, with a mean of 81.3. The 10.7 cm flux was 117.4, 116.9, 124.5, 133.6, 136.6, 139.8 and 139.2, with a mean of 129.7. The estimated planetary A indices were 9, 5, 4, 2, 2, 2 and 6, with a mean …

American Radio Relay League | Ham Radio Association and Resources

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NEW Puxing Px-777 Uhf(400-470mhz) Professional Radio PTT

NEW Puxing Px-777 Uhf(400-470mhz) Professional Radio PTT

  • 100% Brand new

118 Groups of memory channels
Built-in 50 Groups of CTCSS and 104 Groups of DCS
Wide(25kHz) and Narrow(12.5kHz) available
Come with 1200mAh Li-ion battery
Input Freq. By using keypad
Scan function

Three color LCD backlight display
Emergency Alarm
Bell ring when receiving signal
Priority Scan Function
Adjust power Hi/Lo
Switching between Channel/Freq.
Adjust squelch level(0-9)
Busy channel lockout
Keypad lock
Reverse Freq

List Price: $ 63.88

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Surfin’: Logging Periodically

By Stan Horzepa, WA1LOU
Contributing Editor

This week, Surfin’ can begin antenna maintenance now that the trees are out of the way.

The tree man finally showed up on Monday and cleared the area around my crank-up/down tower, so I can now lower it without the antenna hitting any branches on the way down.

The antenna is a log periodic and is the actual one Bart Jahnke, KB9NM, reviewed way back in the…

American Radio Relay League | Ham Radio Association and Resources

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Smirnoff Parties With RFID

Smirnoff Parties With RFID
The solution, provided by Fish Technology, was managed by Blondefish, a London-based RFID and social-media firm that helps brands promote and organize events via the use of RFID tags and readers, as well as social links and digital media. Blondefish …
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Fujitsu introduces new FRAM-based device for radio frequency ID applications
In addition to its wireless HF interface, the dual-interface MB89R112 incorporates a wired serial interface (SPI) for microcontroller connectivity. Supplying more available data on RFID tags enables efficient … Examples include facilitating wireless …
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Get In on the VHF Fun in the 2012 ARRL September VHF QSO Party
With many HF radios now offering at least 6 meter SSB/CW capabilities — and some offering 2 meters and 70 cm as well — any amateur with a Technician class license or higher can experience long-haul communication on the VHF bands.” Kutzko explained …
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Attention Kit Builders: The ARRL Wants to Hear from You!

The ARRL wants to hear from kit builders about simple useful, educational and exciting kits. These kits should have a high probability for success and would serve as stepping stones for more advanced projects. We are looking all sorts of kits, but RF detector kits that work in the 380 MHz-2.5 GHz range are of special interest. The kits should also have a “Wow, I built this and it works!” factor…

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Yaesu FT2000 and Noon Time Net

N7RPB’S Radio station and the NOON TIME NET plus a little DX and Rag-Chew. The first station heard is from the Czech Republic and that is the station I am shown talking to in the first shot of myself toward the end of the video. The remaining stations are west coast and the last loud signal is from Arizona.

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ARRL HQ Seeks Applicants for the Position of QST Technical Editor

The League is currently looking to fill the position of QST Technical Editor at ARRL Headquarters in Newington. Connecticut residency or the ability to relocate to Connecticut is required.

The QST Technical Editor will provide leadership to the technical Amateur Radio community by developing and promulgating a vision of the state of the Amateur Radio art through the pages of QST.

Qualifications:…

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2011 DCC – ‘INTRO’ to APRS (sort of)

I’ll be honest with you – this isn’t the ‘Introduction to APRS’ you’ve been looking for… the one where Bob Bruninga WB4APR, the mode’s inventor, explains in step-by-step detail just how to get started and use APRS. Such a guide doesn’t exist that I know of, and the ones out there that come close are quickly out of date. What this is… is another version of Bob’s APRS talk, with bits and pieces of what APRS is, how it started, and where it’s going (or where it can go if Bob can talk you into doing more than watching little car icons drive around on a map). You will learn a lot… just not what you were hoping to get (sorry!). This is one of three talks Bob gave (all variations on the same theme) at the 2011 ARRL/TAPR DCC in Baltimore. At the end of this video is an informal discussion between Bob and John Gorkos AB0OO about John’s development of the AVRS, the Automatic Voice Relay System, another new development in APRS. John details AVRS is the 2011 DCC Sunday Seminar Part 3. I apologize in advance for the video quality. It’s not terrible, but it’s going to be hard to read some of the text on the screens. I was using ARVN’s ‘old’ camera, a standard-definition camera set for wide-screen, recording in the one-hour, lower quality mode. All my high-def cameras (all three of them) were tied up in the main DCC presentation room.
Video Rating: 5 / 5

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Ethiopian Amateur Radio Society Chairman Sid T. May, ET3SID (SK)

Ethiopian Amateur Radio Society (EARS) Chairman Sid T. May, ET3SID/G4CTQ/AB3OZ, passed away September 25. In 1993, May established ET3AA, the first Amateur Radio club in Ethiopia. According to Hailemelekot Negussie, AB3OX, of EARS, May has taught Amateur Radio licensing classes in Ethiopia for more than 15 years. EARS is Ethiopia’s IARU Member-Society.

An accredited ARRL Volunteer Examiner (VE),…

American Radio Relay League | Ham Radio Association and Resources

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Reconfigurable Processing in Low-Power Programmable DSP

Digital signal processors constitute an important aspect of signal processing in many high performance applications and end-user devices. Keeping the power dissipation as low as possible in a reconfigurable architecture that enables dynamic reconfiguration of hardware modules is quite a challenging task. This paper examines one approach towards low-power programmable DSPs that seeks to solve this problem by matching the model of computation of a given task with a well defined architectural granularity without adverse consequences on performance.
Video Rating: 0 / 5

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Army MARS Adopts New Leadership System

Army MARS Chief Stephen G. Klinefelter has implemented a major leadership realignment: Under the new organization chart, the 11 Regional Directors — all volunteers — will assume the day-to-day management responsibility previously exercised from the Army MARS Headquarters at Fort Huachuca, Arizona. “You will tell us if you can take on a task and you will tell us the resources you need,” Klinef…

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DTV Newsbreak – Great American Cleanup, Skywarn Program, Parks Programs, Denton Guyer Baseball

The City of Denton’s Newscast
Video Rating: 0 / 5

Emergency Vehicle Lights on Chase Vehicle at night.
Video Rating: 3 / 5

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A First-Hand Look at the Z60K Activation in Kosovo

Editor’s Note: On September 12, the Autoriteti Rregullativ i Telekomunikacionit (ART) — Kosovo’s telecommunications regulatory authority — created the necessary legal framework for the development of an Amateur Radio Service in the Republic of Kosovo by approving its Regulation for Amateur Radio Services (please see the link below for the document). Although not formally assigned a prefix by …

American Radio Relay League | Ham Radio Association and Resources

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VE3TMG Ham Shack 2009

My new ham shack as of 2009
Video Rating: 4 / 5

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I/O XMC board for avionics, radar, and digital imaging introduced by Curtiss …

I/O XMC board for avionics, radar, and digital imaging introduced by Curtiss …
The Kintex-7 FPGAs offer high-density logic, high-performance serial connectivity, memory, and digital signal processing (DSP) capabilities. Fabricated on a high-performance, low-power 28-nanometer process, all Xilinx 7 series FPGAs share a scalable …
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Advantech, eInfochips, TI offer HLS sol'n
Developed by eInfochips on Advantech's DSPC-8681 PCIe card, this solution houses four TI Key-Stone based TMS320C6678 multi-core digital signal processors (DSPs). The features of the HLS streaming solution include inbound and outbound multimedia …
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MRVL, DNDN Are Seasonally Ripe To Go Down In the Next Five Weeks
Marvell Technology Group Ltd (NASDAQ:MRVL) – Marvell Technology Group Ltd. designs, develops, and markets analog, mixed-signal, and digital signal processing and embedded microprocessor integrated circuits. The company offers storage products, …
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IARU Region 3 Chairman Michael Owen, VK3KI (SK)

IARU Region 3 Chairman Michael Owen, VK3KI, passed away September 22. He was 75. Owen, who was also President of the Wireless Institute of Australia (WIA) — that country’s IARU Member-Society — participated in many IARU committees and was a member of the IARU Observer Team at a number of World Radiocommunication Conferences. He is perhaps best remembered for his work on Article 25 — a packag…

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Complete psk31 contact with Ukraine, no edits.

Showing FLDIGI in Linux, using Yaesu ft-847, Donner Interface cable, 20 meter psk31 short qso contact from California to Ukraine almost 6200 miles away from me. Using a 40m Horizontal delta loop, about 10 feet high. (131 feet long). Using a homebrew aircore Balun which is about 2.5 to 1. and about 70 watts of power. Thanks to the great videos by K7AGE on how to get started with PSK31.. I loved the simple microphone receive only video that he did…Nice!! Easily understood, easily duplicated and certainly made me want to work this mode and transmit too! I have had many contacts on 5 watts, normally I start low and work up..but in this case, to get a video in 1 shot, I cranked up to about 70 watts, however, it most likely wasn’t necessary to be that high…just an fyi I have been ‘cross the ocean on 10 watts many times when the bands are open. Yes, you can hear my cat in the background…I guess he thinks I am talking to him..LOL 73 from AG6IF
Video Rating: 5 / 5

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Everett Gracey, WA6CBA (SK)

Everett Gracey, WA6CBA, of Grass Valley, California, passed away on August 26. He was 90. In 1979, Gracey — along with Ken, K6HCP, and Jacqui Holladay — founded Mirage Communications in Gilroy, California; Mirage is now owned by MFJ. After selling Mirage, Gracey founded RF Concepts in 1986. Both companies sold and manufactured VHF and UHF amplifiers. After Gracey sold RF Concepts, he continue…

American Radio Relay League | Ham Radio Association and Resources

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kenwood THF7 + RTTY + IPHONE 4

Hello this is my IPHONE 4 decoding RTTY and to keep it small / portable im using the kenwood THF7 on USB 20m the program is Multimode, the antenna is a one of the Wonder Wand types the next experiment i will be using it hopefully on an MIZUHO mx3.5s when i build a interface then follow up with a little VOX unit. sorry about the quality of the test.
Video Rating: 5 / 5

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The K7RA Solar Update

The average daily sunspot numbers dropped this week, from 83.1 to 56, while the average daily solar flux declined from 118.9 to 101.4. Sunspot numbers for September 13-19 were 44, 44, 53, 77, 51, 61 and 62, with a mean of 56. The 10.7 cm flux was 99.1, 100.5, 97.5, 97.3, 101.5, 104.3 and 109.8, with a mean of 101.4. The estimated planetary A indices were 6, 5, 6, 7, 6, 8 and 14, with a mean of …

American Radio Relay League | Ham Radio Association and Resources

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KC2WQW’s HF setup

Some of my friends were asking for pictures of my HF antenna and my ham shack so I decided to make a video of it since I haven’t uploaded anything to youtube in a while. The rig is a Kenwood TS-120S 100watt radio and the antenna is a full wave 40m loop configured for vertical polarization. UPDATE: Since this video has been posted I hooked up an external 4:1 voltage balun and now it works 80m – 10m no problem. Now to set something up for 160m, 6m, 2m, and maybe either 1.25m or 70cm. 🙂

As test antenna was measured at 22 foot linear using a piece of triple #22 AWG conductor zip cord commonly used for older home intercom by Nutone. The base feed was run 11 feet up on an outside conductor, then returns 11 feet down on the center conductor back to the base and is connected to the other outside conductor that is the full 22 feet long.
Video Rating: 0 / 5

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Former AMSAT President Bill Tynan, W3XO, to Receive RCA’s Goldwater Award

The Radio Club of America (RCA) has announced that William A. Tynan, W3XO, of Kerrville, Texas, will receive its 2012 Barry Goldwater Amateur Radio Award. First given in 1994, the Goldwater Award is given to an RCA member who is also a licensed amateur in recognition of a long record of service to the public through the use of Amateur Radio. Tynan — an RCA Fellow and an ARRL Life Member — wil…

American Radio Relay League | Ham Radio Association and Resources

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Skywarn

Skywarn

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. SKYWARN is a program of the United States’ National Weather Service. Its mission is to collect reports of localized severe weather. These reports are used to aid forecasters in issuing and verifying severe weather watches and warnings and to improve the forecasting and warning processes and the tools used to collect meteorological data. It consists of a network of sever

List Price: $ 42.00

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The Amateur Amateur: Ready, SET 1, SET 2…

By Gary Hoffman, KB0H
Contributing Editor

“Who did you say you were again?” the receptionist asked. “Gary Hoffman,” I said. “I’m with the Amateur Radio Emergency Service. I’m supposed to run a test on your Amateur Radio equipment.”

I was patient, even though I knew that the SET (Simulated Emergency Test) was supposed to start right at that very moment. They had kept me at the reception desk of the…

American Radio Relay League | Ham Radio Association and Resources

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W1UU-Flex5000a-June11-2012

W1UU’s Flex-5000a and why SDR (Software Defined Radios) technologies are being used in today’s digital communication age.
Video Rating: 5 / 5

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ARRL Executive Committee to Meet in Colorado

The ARRL Executive Committee will meet Saturday, September 29 in Denver, Colorado. See the link below for the meeting’s agenda. 

ARRL President Kay Craigie, N3KN, serves as Chairman of the Executive Committee. Five Division Directors who are elected by the ARRL Board of Directors are also on the committee: Midwest Division Director Cliff Ahrens, K0CA; Northwestern Division Director Jim Fensterma…

American Radio Relay League | Ham Radio Association and Resources

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ham shack tour nov 10

Ham Radio Shack tour of K7SU
Video Rating: 5 / 5

Just a brief tour of my ham shack/production studio.
Video Rating: 4 / 5

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ARRL HQ Seeks Applicants for the Position of QST Technical Editor

The League is currently looking to fill the position of QST Technical Editor at ARRL Headquarters in Newington. Connecticut residency or the ability to relocate to Connecticut is required.

The QST Technical Editor will provide leadership to the technical Amateur Radio community by developing and promulgating a vision of the state of the Amateur Radio art through the pages of QST.

Qualifications:…

American Radio Relay League | Ham Radio Association and Resources

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Chevy suburban snow in deep snow

Chevy suburban snow plowing

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Last Man Standing Plans Special Event Station

The crew of the hit ABC comedy Last Man Standing is planning a radio event on Sunday, October 28 to kick off the show’s second season. Last Man Standing features Tim Allen as Mike Baxter, KA0XTT. According to Last Man Standing Producer John Amodeo, NN6JA, Mike’s station is back this year with even more gear. In addition, all the antennas that were in the catwalk last year have been relocated to…

American Radio Relay League | Ham Radio Association and Resources

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ZL9HR equipment shipped

ATS3B Anagawa Park QRP DX-pedition.

Image by kc7fys
untitled

ZL9HR equipment shipped
… team down to Campbell Island in the great southern ocean for the activation between November 28th. and December 9th. Please refer to the web site ZL9HR.COM for the full, up to date, information about this major DX'Pedition to the Great Southern Ocean.
Read more on Southgate Amateur Radio Club

ZL9HR DXpedition to Campbell Island
We'd be remiss if we didn't recognize the New Zealand Department of Conservation for their support of this DX-pedition. The DoC is permitting us to use several of the existing buildings which will provide shelter from the weather which we expect to be …
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The 2011 English Estates Teach-In

With the current focus on STEM (Science, Technology, Engineering and Math) initiatives in US schools, teachers are always looking for new ways to draw student interest into these areas. To promote STEM and to get students thinking ahead about their career path, many schools in Seminole County, Florida participate in “Teach-In.” This is an annual event in mid-November where the parents of studen…

American Radio Relay League | Ham Radio Association and Resources

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PEPRO Deployable Radio Sites

Upgrade to Flash Player 10 for improved playback performance. Upgrade Now or More Info. close This video is public. 26 views Like Add toShare Loading… This feature is not available right now. Please try again later. Uploaded by PEPROllc on May 18, 2011 Pepro manufactures patented shielded enclosure systems ideal for use on remote mountain tops, roof tops, and at tower bases. These units employ the Faraday Cage principle to shield the sensitive digital communications equipment from the effects of Radio Frequency Interference (RFI), Electromagnetic Interference (EMI), and Electromagnetic Pulse (EMP). Several of our units are capable of being helicopter deployed to remote locations or crane deployed to roof tops.
Video Rating: 5 / 5

Explanation for the answer to Final Exam Question No. 79 in “Teach Yourself Electricity and Electronics, 5th Edition” (page 678).
Video Rating: 0 / 5

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Nice ICOM photos

Some cool ICOM images:

Icom IC-2AT
ICOM
Image by lu6fpj

Icom IC-27h
ICOM
Image by lu6fpj

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Stealth Amateur Antenna System (7 MHz to 1.3 GHz) AKA HDTV

My antenna system,40 meters to 1.3 GHz, passing as an HDTV antenna
Video Rating: 5 / 5

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Sean Smith, KG4WSS, Killed in Consulate Attack

Sean P. Smith, KG4WSS, of Falls Church, Virginia, was killed when the US Consulate in Benghazi, Libya, was attacked on September 11. He was 34. Smith was one of four Americans, including Chris Stevens — the US Ambassador to Libya — who was killed in the attack.

Smith — a native of San Diego — enlisted in the Air Force in 1995 at age 17. He served six years as a ground radio maintenance speci…

American Radio Relay League | Ham Radio Association and Resources

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Enid Hamfest 2007

This is a video recap of the Enid Hamfest 2007 in Enid Oklahoma. www.enidhamfest.com
Video Rating: 5 / 5

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Find Out What’s In Store at the 2012 ARRL National Convention

On October 12-14, the ARRL will welcome members and friends to the 2012 ARRL National Convention in Santa Clara, California. Hosted by Pacificon and sponsored by members of the Mount Diablo Amateur Radio Club, this three-day event is sure to be jam-packed with excitement, exhibits and, of course, the ever-popular ARRL EXPO. Use this handy guide to find ARRL-sponsored activities and exhibits thr…

American Radio Relay League | Ham Radio Association and Resources

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vk9hr DX’Pedition 2011 by haraoa

Lord Howe Island DX’Pedition by Hellenic Amateur Radio Association of Australia www.haraoa.com

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TI’s (Texas Instrument’s) Da Vinci DSP

TI Texas Instrument’s video for their new Da-Vinci processor, calming to make impossible entirely possible. The last sentence in the video says “And it is only the beginning”. So I wonder there is lot more to come from TI in upcoming years

ADI’s new low power SHARC(R) 2147x floating point digital signal processor series brings portability to sophisticated medical instrumentation. (Video: Analog Devices) Permalink: www.businesswire.com

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Federal Employees Can Help Support ARRL through the 2012 Combined Federal Campaign

For the past 11 years, the US Office of Personnel Management has designated the ARRL to participate in the Combined Federal Campaign (CFC). In that time, this campaign for federal government civilian employees, US Postal Service workers and members of the military has generated almost $ 192,000 for ARRL programs since it first became an option for federal employees to donate to the League. The C…

American Radio Relay League | Ham Radio Association and Resources

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W4RT CW Filter Install – ICOM 703

Installing the W4RT CW Filter in Icom 703+
Video Rating: 5 / 5

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Nice ICOM photos

Some cool ICOM images:

Icom IC-22u
ICOM
Image by lu6fpj

Icom IC-22u
ICOM
Image by lu6fpj

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IOTA News from OPDX

IOTA News from OPDX
Activity will be holiday style using SSB and CW, and perhaps some RTTY. During the weekend of September 1st, they will join the local OZ5GX group from Saeby, Denmark, during IARU region One Field Day as OZ5GX/P. QSL Manager for OV2T is PA0ABM, …
Read more on Southgate Amateur Radio Club

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LAS Memorial Day Picnic-5

Check out these Ham Shack images:

LAS Memorial Day Picnic-5

Image by laserbub
Watching and listening to the first radio contact ceremony of the K9LAS ham shack.

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Surfin’: Whacking Radios

By Stan Horzepa, WA1LOU
Contributing Editor

This week, Surfin’ discovers a new way of fixing radios.

I won a Radio Shack Realistic Astronaut 8 circa 1972 multiband receiver at an auction for $ 1 a few years ago. It had minor cosmetic wear and tear, but functioned like new after I sprayed all the switches and pots with an electronics cleaner.

It had been my garage radio ever since, and sits on top o…

American Radio Relay League | Ham Radio Association and Resources

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Motorola NMO Antenna Hole Plug Video

MOTOROLA NMO MOUNT PLUGS

American Forces Network is being heard on an Icom IC-718 HF tranceiver, via ssb feeds from a transmission in Guam.

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Digital Edition of October QST Now Available

The digital version of the October QST is now available to ARRL members. The digital version includes many features not available in the print version, such as:

 

  • Video overviews of the Alinco DJ-V57T and Kenwood TH-K20A handheld transceivers.
  • Audio of galactic noise on 10 meters.
  • Bonus photos of the 2012 HK0NA DXpedition to Malpelo Island.
  • Audio of the Hendricks QRP Kits Scout regen receiver.

Eve…

American Radio Relay League | Ham Radio Association and Resources

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Degen DE1103 with my DIY antenna tuner

Video Rating: 5 / 5

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The K7RA Solar Update

Solar activity retreated this week, with the average daily sunspot numbers off nearly 46 points — about 35 percent — to 83.1, while the average daily solar flux declined 18 points to 118.9. Sunspot numbers for September 6-12 were 112, 110, 70, 87, 62, 73 and 68, with a mean of 83.1. The 10.7 cm flux was 128, 133.4, 128.6, 123, 111.3, 105.1 and 102.6, with a mean of 118.9. The estimated planet…

American Radio Relay League | Ham Radio Association and Resources

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ARRL Field Day 2010 Nassau County Florida

Field Day in Yulee, Nassau County Florida 2010

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Hecla SKYWARN 5-3-09 – 2009 Spring Flood

Video of James River west of Hecla, Brown County, SD along BC-5. All video taken early afternoon on Sunday, May 3, 2009. Near record water levels at this location (if not record) now slowly receding?…
Video Rating: 5 / 5

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ARRL to Welcome USTTI Students in October

Next month — October 1-5 — the ARRL will welcome eight international students who want to learn how to administer and regulate Amateur Radio programs in their home countries. This course, offered by the United States Telecommunications Training Institute (USTTI) for learners from developing countries, will help the participants create, administer and foster an Amateur Radio Service in their c…

American Radio Relay League | Ham Radio Association and Resources

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