exam tests

Effect of tower coupling on an array - It's well known that a nearby tower can affect the performance of a vertical array, this article by NK7U describe measurements and prove interaction.

The Adventures of a Stealth Vertical Dipole - An example of a stealth vertical antenna installed in a condo.

dB: What is a decibel? - Decibels: dB, dBA, dBC, dBV, dBm and dBi? What are they all? How are they related to loudness, to phons and to sones? This page describes and compares them all and gives sound file examples.

2009 IARU HF Contest - 2009 IARU HF World Championship Contest Rules

TACLog - Tac Log is a free input format log book for VHF/UHF/SHF contests. Where most other programs dictate the order and format of the input data during contesting, TACLog gives you freedom of operation, both on the air and on your computer. EDI format and Region 1 rules compliant.

AATest - A special edition of AALog, optimized for the use in a lot of different contests. It can export file in Cabrillo, .SUM and .ALL files, ADIF. To use this program in CW and digital modes you need to use CwType and TrueTTY.

The No-Code Technician Class - The No-Nonsense, No-Code Technician Class License Study Guide (for tests given after July 1, 2006) Dan Romanchik KB6NU

Radio Experimenter's Licensing course - Course for the Irish Radio experimenter's Exam

HamStart - Ham Start, starter kit. Stugy guides, resources, exams, upgrades and morse code

VU2UKR HAM Radio Station - HAM Radio India Yagi Beam CW QRP SSB QUAD DX circuits sound card Transceiver Morse HF VHF Antenna Satellites Amateur Club Station Operators Licence Exam ASOC Guide Digital Mode Equipment Transmitter Experiments Project schematics Beacon dx HAMSAT VUSAT Satellite Emergency communication Information Homebrew QRP Kits

Samlex america - Manufacturer industrial and consumer power supply products including switching power supplies, solar panels, solar charge controllers, inverters.

Cabrillo - The Cabrillo log format specifications, examples and templates.

ARRL Expanded Tests on TS-570 - ARRL Laboratory Expanded Test-Result Report Kenwood TS-570D

Contesting with New Yaesu FT-950 - Unsing FT-950 in contests by K9ZW

Cushcraft R7 repair and tests - F5DQK repairing and swr measurement tests of a Cushcraft R7 Antenna

GAP Titan DX - Test Details - GAP Titan DX 10 15 20 40 meter performance tests by AA3RL

GAP Titan DX SWR Measurements - Gap Titan DX Antenna SWR Tests GAP Titan DX Antenna SWR Test

GAP Titan DX Test report - Tests and operational report of a GAP Titan by dl8rds

Gap Titan dx SWR tests - GAP Titan DX Measurements of SWR report by WT5L

Receiver Test Data - Sherwood Engineering Tests, conduct receiver comparison among popular commercial radios.

TR4W Contest Logger - TR4W (TR for Windows) is a freeware program for operating in ham radio contests. Approximately 80 percent of the program is based on source code of the TR LOG MS-DOS program, kindly provided by Larry Tyree, N6TR

CW Trainer for Linux - Easy to use CW Trainer for Linux. Adaptable for both the Koch and Farnsworth method of learning CW. Makes random tests or can read text from a file

NZART Morse Tester - Learn morse code with NZART Morse tester. Is a shareware run under windows Windows 95/98 and above, small size and easy to use by ZL1AN

Elmer for iPhone - iPhone Software to practice taking your Ham Radio Exam

Identifying sources of radio frequency interference - This page describes the results of some tests with a portable spectrum analyzer in attempt to identify the sources of RFI around the house. Radio interference was found in a number of unexpected places.