how much type of diode

Old Radios - Dedicated to the collection and preservation of old radios, both tube and transistor.

International Communication Friends - Official website of the ICF group

WhiteCliffs DX Group - Started in 1998 and grew out of the new CB internet newsgroup, uk.rec.radio.cb. the Group is run on a non-profit making basis

Echo Alpha Int. DX Group - Radio group with members all over the world.The group offers free membership including use of the groups PO Box and quality QSL cards.

DXCC spreadsheet - Excel spreadsheet that helps you trace your status of DXCC entities. You only have to fill the cells with your worked and confirmed entities and the totals will be automatically updated. You don't have to make any calculation

Philippine DX Foundation, Inc. - An affiliate of the Philippine Amateur Radio Association, Inc.

CT2GQV homebreing blog - The Speaky HF SSB transceiver and other homebrew projects Homebrew of radio equipment, antennas, tuner, etc.

Midwinter Madness Home - Midwinter Madness Hamfest, hobby electronics show. Buffalo Civic Center. VE exams. Talk-in 147.000

AD4C Web Page - About ham radio hobby with hundreds of related links

The #cq11 page - This is the official web page of the #cq11 IRC channel on Othernet Network. It was created to help users on 11m. band.

California Amplifier - manufacturer of solutions for worldwide wireless broadband communications

Olivia Modes - Olivia is a family of MFSK modes with a high redundancy Forward Error Correction system similar to MT63. General description and protocol information by w1hkj

Aurora current status - Current image of earth's aurora

Auroral Activity - Plots showing the current extent and position of the auroral oval at each pole

Stanford Solar Center - Providing solar on-line activity resources for the joy of solar science exploration

The ionosphere at VHF - Influence of the ionosphere on the EME signals by EAVQ

NASA Sunspot Cycle Predictions - Nasa MSFC predictions on the behavior of current sunspot cycle.

Digi key - Digi-Key offers over 1,000,000 electronic components from more than 360 manufacturers.

Isis Electronics (Cheltenham) Ltd - UK Sales of used RACAL, Watkins-Johnson, Icom, Microwave. Large Qty Racal 1792 in Stock. Spectrum Analysers, UHF,VHF Generators, Network Analysers, Bus Switches.

Radio Icons - A .ico file library containing lots of icons for Windows, regarding Amateur Radio, to customize your desktop

ARMHAM-Program Map - Amateur Radio Maps program which contains maps of continents and countries.

Logger 32  ^pop - 32-bit Amateur Radio logging program written by Bob Furzer, K4CY the author of Zakanaka. Logger32 runs under Windows 95/98, Windows 2000, Windows ME, Windows NT and Windows XP Logger32 has been developed to be a highly user configurable general purpose Amateur Radio logbook with computer control support for many radios and antenna rotators.

AREPS propagation programs - Collection of various propagation software by Space and Naval Warfare Systems Center, San Diego, Atmospheric Propagation Branch

RF prop  ^pop - RF propagation software

RTTY by WF1B - RTTY by WF1B combines features of a terminal program with the features of a contest logging program, support AEA PK-900,MFJ-1278, AMT-1, HAM PCI4000/4100/3000 and many more