Build a Homebrew Radio Telescope
From June 2009 QST © ARRL T here are many ham radio related activ-ities that provide a rich opportunity to explore and learn more about the sci-
Download Build a Homebrew Radio Telescope
Information
Domain:
Source:
Link to this page:
Documents from same domain
US Amateur Radio Technician Privileges
www.arrl.orgTitle: US Amateur Radio Technician Privileges Author: dszlachetka Subject: Tech Band Chart Keywords: Job #580 Tech Band Chart color only UPDATED 10-29-2015.indd
FSD-218 Relief Emergency · Routine Messages …
www.arrl.orgThe QN signals listed above are special ARRL signals for use in amateur cw nets only. They are not for use in casual amateur conversation. Other meanings that may be used in other services do not apply.
Lightning Protection for the Amateur Radio …
www.arrl.org50 July 2002 also be protected. The method of protection will change, how-ever, since the interface is electronic. Once the peak operating interface voltages are determined, it is relatively straightfor-
A Home-made Ultrasonic Power Line Arc Detector
www.arrl.orgFrom April 2006 QST © ARRL Figure 2 — Ultrasonic dish assembly. Figure 1 — Simplified block diagram of the ultrasonic detector. at full blast, and the ...
Field Day - arrl.org
www.arrl.orgField Day Entry Submission Instructions: Please make certain that your required summary sheet is complete with the following fields filled in:
Registration Form - American Radio Relay League
www.arrl.orgAmateur Radio Emergency Service@ ARES@ Registration Form Name: Cal Sign: Mailing Address: City, state, ZIP code: e-mail address(es): Home phone number:
The NorCal Sierra: An 80-15 M CW Transceiver
www.arrl.orgThe NorCal Sierra: An 80-15 M CW Transceiver Most home-built QRP transceivers cover a single band, for good reason: complexity of the circuit and physical layout can
A Simple yet Precise Function Generator for the …
www.arrl.orgQEX – May/June 2013 7 important role in the generator. A DDS chip like this one builds the waveform using discrete voltage samples whose amplitudes
A Quick Trainer and Field Resource Guide for the …
www.arrl.orgPage 2 This manual is intended to serve as a quick trainer and reference for amateurs deployed in the field for emergency services work, primarily through the ARRL Amateur Radio Emergency Service (ARES).
The Ultimate Transmatch
www.arrl.organd The Ultimate Transmatch BY LEWIS G. MCCOY, *WIICP OME amateurs assume that because they use coaxial feed lines they don't need a Trans- match.
Related documents
Chapter 6 BUILDING A HOMEBREW QRP - QRP ARCI
www.qrparci.org3. Chapter 6, Harris an inductor. Sliding an oscilloscope probe along the wire, I could see an 80% drop in drive voltage from the output of the first amplifier to the input of the next stage.
Homebrew Your Own Inductors!
www.arrl.orgHomebrew Your Own Inductors! Can’t find the inductors you need for an antenna, a tuner or amplifier? Build your own—it’s easy! By Robert H. Johns, W3JIP
Chapter 13 BUILDING A HOMEBREW HF RECEIVER
www.qrparci.org2. Chapter 13, Harris My receiver is based on the “High Performance Communications Receiver” designed by W7ZOI and K5IRK described in most of the annual ARRL Handbooks in the 1980s.
FOUR NOZZLES VACUUM FILLING MACHINE - homebrewit.com
www.homebrewit.comˇˇˆ ˙ CHAPTER 3 - CLEANING AND MAINTENANCE No maintenance is required, except for cleaning and sanitizing before and after use. In order to clean equipment, after rising, isolate the equipment by sectioning power supply.
HOME BREWING - Polar Ware
polarware.comCover features a recessed strap handle for easy lifting and stacking, and a hook on the cover for hanging on the edge of your pot. Handles are strong
USB Loader Guide (These 8 steps take about 20 minutes)
wiki.ledhed.netSTEP 1. UnZip and load the contents of the WeHackWii Package to your SD Card. Optionally, you should read the included README.txt for some useful information. Note: Skip steps 2 through 4 if you already have the HomeBrew Channel and BootMii (but make sure to do step 4-1 if you don't have a NAND backup, otherwise you will have a horrible time trying to recover from a brick).
Digital TV Coat Hanger Antenna - Repeater Builder
www.repeater-builder.comDigital TV Coat Hanger Antenna Rabbit ears are for rabbits, not digital televisions. In this project, we’ll show you how to build your own digital TV antenna from wire hangers, a piece of wood and some pipe.
BREWING WATER - The Homebrew Club of Silicon Valley
www.sudzers.orgBREWING WATER Introduction: Why as a brewer, do you care about water? ! Treating Water for Chlorine and Chloramine ! Water pH, Alkalinity, and Hardness
A Homebrew Yagi for 1296 MHz DX - OK2KKW connection
www.ok2kkw.com16 DUBUS 1/2006 A Homebrew Yagi for 1296 MHz DX by Heinrich F. Reckemeyer, DJ9YW - DJ9YW@t-online.de Many 23cm yagis from well known manufacturers are on the market.