itu grid

Sensitivity of Multi Turn Receiving Loops - Magnetism is manifested as a 'field of vectors', that is, any point in the magnetic field has not only a magnitude, but a direction in space. The four Maxwell equations describe how electric and magnetic vector fields behave and interact.

The WiWi Tubes Home Page

AA1TT/B - 28.269 CLAREMONT, NH grid FN33uj

KB9NK - 10 Meter Beacon - 28.2845 Mhz Location: Jamestown Township, Michigan USA - Grid EN72bu

DXCC List with your beam headings - You can have your persolal DXCC country list with correct beam heading calculated on you grid square location by ok2pbq

Russian awards for HAMs. - CORA - Cities Of Russia Award, TZA - Time Zones Award, Transsib, Baikal Lake Award, Baikal Winteriada, GLORIA - Grid Locators Of Russia International Award. Look for details at the site.

ECTAR Inc. - Emergency Communications Through Amateur Radio "The coordination of effort between private volunteers and local government resources is critical in assuring the public of the best possible communications link during emergency situations."

SV7LNK - SV7LOS - Hellenic Radio Amateur Station CQZ 20 ITUZ 28 KN11SC

VE5-URC Amateur Radio Club - Unity is situated about 2 hours North West of Saskatoon.

K4KSC The Titusville Amateur Radio Club - Brevard County, Florida, USA

WPI Wireless Association - The Worcester Polytechnic Institute Wireless Association has its roots in the beginnings of Amateur Radio. The group was first founded in October of 1909, by Oliver B. Jacobs and a group of 40 other men.

Long Island Amateur Radio Club - 575-Long Island Amateur Radio Simplex Club, Operating locally on 147.575 FM Simplex from Grid Square FN-30

Cleveland Wireless Association - The Cleveland Wireless Association was formed in 1927 during the early years of amateur radio. The club constitution was signed July 1930.

US grid square map - A pdf file of US grid square map by Icom america

QSO Map - Write down grid squares of your qsos and this nice tool will create a map with all QTH linked to your home QTH.

ITU Zones map - A PDF File of ITU zones made available by Icom America

VK6DI QRSS - Weak Signal and QRSS Web page by VK6DI Grid Square OF88cd

RF Circuit design basics - Ebook by Akira Matsuzawa Tokyo Institute of Technology, Building blocks in RF system and basic performances, Device characteristics in RF application , Low noise amplifier design, Mixer design and Oscillator design

The Tube Center - Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

AM-6154 FAA Amplifier circuit conversion - AM-6154 222MHz grid Conversion Information by N0UK

Homebrewing a tube-type HF amp. - This article discuss the use and construction of a grounded-grid, triode type HF amplifiers

Homebrew HF Amp with 3CX3000F7 - Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC. The amp design was for 160 80 40 and 20 meters

Ameritron AL-1200 to gs35b Conversion - The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.

W2DTC Homebew RF Amplifier - Grounded grid, Cathode driven, 3CX3000F7 Triodes

Atlas of Ground Conductivity - The ITU-R World Atlas of Ground Conductivity in PDF