ARRL Antenna Analyzer Roundup
A preview of four new antenna analyzers by ARRL Laboratory Test Engineer Bob Allison, WB1GCM. See the complete review in the March 2012 issue of QST magazine.
Feature Tech AW07A HF/VHF/UHF Antenna Analyzer
Chinese HF / VHF / UHF Antenna Analyzer (US Clone of MFJ-266) General Description: The AW07A is a self-contained handheld RF analyzer that performs the following diagnostic functions: SWR (1:1 to 9.9:1) Complex Impedance (Z = R + jX) Impedance Magnitude (Z = ?) Capacitance (pF) Inductance (uH) Relative Field Strength (mV) Frequency (MHz) The…
New DZKIT’s HM-17 SWR Meter kit
New! HM-17 SWR Meter kit is rugged, requires no power supply, and handles 1W to 1KW(CW) on HF/6M! We looked around for a good, “no-frills”, inexpensive SWR meter and couldn’t find any that were made in the U.S. with the features we wanted (high power handling, accurate, sturdy, tip-resistant, good looking). So we made our…
KawAZ – Azimuth Angle Calculation Program
KawAZ is the Azimuth angle calculation program for Radio Amateur General It is sometimes annoying us to accurately point the beam of antenna toward the target location. It is actually hard job for juggling with the antenna rotator, key, microphone, spitting dial tuning, logs, etc. in actual operation. KawAZ is the software to save such…
DSW-150 Automatic Switch and USB Digital Wattmeter
DSW-150 is a automatic T/R switch senses transmitted RF (as SwitchBox) and switches your antenna from receive to transmit using a relay. It shorts your receiver antenna input to ground to protect your receiver. Instead of using RF sense to switch the antenna, a control line input lets your key/keyer or PTT line switch the…