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Query: EME
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This antenna was designed for the CQ WW CW 2009 at EA8URL. All elements are made out of fishing rods with an insulated copper cable fixed on the rods by cable ties. Both fishing rods and cable are UV resistant. -
A homebrew four elements log periodic antenna for HF bands -
Using portable generators during emergencies or at field day site, using batteries and how to recharge them, using solar panels. -
An information paper by the International Amateur Radio Union, History of 40m allocation, propagation properties of 7 Mhz band -
Simulation of the Konni Antennen 5 Element for 50 MHz -
Basic guidelines for proper placement of an amateur radio mobile antenna -
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For over 15 years, the putnamemergency and amateur repeater league (pearl) has been providingthe citizens of putnam county, n.y. with emergency and public services. -
Yaesu FT-817 noise blanker improvement -
A modification to improve quality of built-in FT-817 Noise Blanker -
A Six element antenna for the 50 MHz Amateur Radio Band v4 by DF9CY -
The Indianapolis Police Scanner on Broadcastify allows users to listen to live police radio transmissions from Indianapolis. The website provides access to emergency communications and public safety broadcasts. -
The page provides circuit improvements for the Kenwood TS-440S transceiver, addressing issues such as distortion in SSB signals, limited transmit frequency coverage, lack of crispness in RX audio, and flat audio response. The fixes include adjusting bias, cutting specific components, and changing capacitors to improve performance. -
Guidelines for optimal speaker placement inside our ham radio shacks -
RF Current measurements on a Long Wire W3EDP antenna -
Le Club radio-amateur Beziers -
The C.A.R.E.N. Club is one of the oldest amateur radio clubs in Arkansas, dating back to the late 1950s. Just as the name implies, the C.A.R.E.N. Club is the state leader in emergency communications, SKYWARN, Amateur Radio Emergency Service (ARES), Radio Amateur Civil Emergency Service (RACES). -
This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen. -
G8ACC article project for a 144 & 430 MHz wavemeter -
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Designer and manufacture of Airborne Antenna & Radomes covering a range of applications. Products include vhf antenna ,uhf antenna,navigation antenna,comm antenna,blade antenna,vor/ils antenna ,L band antenna, direction finding antenna,DF antenna,vor,ils, IFF antenna on aircraft,aircraft antenna for airborne application. -
2-Element-12,5-Ohm-Yagi with 0,40m-Boom complete description of all details for building this Yagi and stacking to an array -
The construction principles for open-sleeve elements in antennas -
KC5M frequency measurement with yaesu ft-920 -
This 6 meter 2 element yagi antenna is simple, compact and effective antenna for 50 Mhz. The design antenna was optimized with AO for best match to 50 ohms, no matching network. A choke balun is recommended to decouple feedline currents. -
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H.E.A.R.T. Serving Pinellas County -
Wideband receiving phased arrays with small electric or magnetic active wideband elements are discussed in details. Practical results and examples are given. -
A Collection of EME Reflector Antennas and YAGI Arrays. -
YT1VP Yagi antenna for 6 meters -
Pictures, design plan and description of a 5 element yagi antenna for the 4 meters band by 9A7PJT -
IK6CAC windows shareware program to manage the USA County Award -
An interesting presetnation full of usefull tricks to correctly design and build 23 cm Yagi using simple tools. The basic design of the antenna presented in this document is taken from the original DL6WU Yagi Design published in 1982 -
Inrad Roofing Filter installation instruction -
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One of the oldest emergency traffic handling nets on amateur radio -
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Fox Telemetry Decoder Software is a free telemetry software that run on Windows MacOSX and Linux. With Fox Telem will be able to track, store and analyze FOX series and Cubesat satellites -
FMI provides superior solutions in the design and manufacture of frequency control devices including Voltage Controlled Temperature Compensated Crystal Oscillators (VCTCXO), voltage controlled crystal oscillator (VCXO), Temperature Compensated Crystal Oscillators (TCXO), crystal clock oscillators, high temperature oscillators, surface mount and crystal oscillator products, phase locked sources and more. -
Plans for building your own 3-element beam for use on 6m. -
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Installing the Cumbria Designs X-Lock VFO Stabilizer, and Improving The TR7 Audio Quality -
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New York City Amateur Radio Emergency Communications Service (NYC-ARECS) is a NYC based auxiliary communications service. The organization is made up of amateur radio operators who are trained and dedicated to providing radio communications for governments, civil-preparedness and relief agencies during periods of local, regional, or national civil emergencies. This may include situations such as power failures, explosions, fires, floods, earthquakes or terrorist activities. NYC-ARECS is a participant in the NYC Office of Emergency Management (OEM) Partners in Preparedness program and a member of DHS FEMA's National Preparedness Coalition. -
A home made 4 element yagi antenna that can be easily adapted for 10 meter band -
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Article about a high-gain, narrow-band version feature 7.15 dBd and a F/B 13dB with details on how to setup in array mode -
Moonbounce is the ultimate long path DX. It is exciting and allows you to literally work the world on VHF and UHF. It is not as difficult as you may think. Here is how to get started on this most exciting mode -
A fun little project I did over a couple of days was making this little 6 element yagi for 70cm. There are so many designs and ways one can do this so after some reading of different designs and measurements