rf amp circuits

Build A Tin Can WiFi Antenna - Build a tin can waveguide WiFi antenna in one hour. Then put it on a 18" inch direct tv dish. No coax signal loss. Use a USB device on antenna. Complete instructions to build this powerful wlan antenna

Campania Island Award - D.I.C. Diploma Isole Campane from Italy

HF Hamtrader Nes - Trader net frequencies

The Amateur Radio Flea Market - Treffpunkt Amateurfunk (German)

Venezuela - RCV - Radio Club Venezolano

California Amplifier - manufacturer of solutions for worldwide wireless broadband communications

DaveMade  ^pop - 25-30 MHz base and mobile amplifiers

ACOM  ^pop - ACOM international, manufacturer of HF power amplifiers, HF Antennas, Antenna tuners, Switches and Crankup masts

Amphenol - Data and telecom connectors, coaxial cables, smart card connectors and wireless cable products

HD Communications - Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes

Tigertronics, Inc. - Packet/telemetry modems, GPS tracking, sound card interfaces

Zetagi  ^pop - Zetagi amplifiers, accessories, power supplies, microphones, SWR and power meters, battery charges

Champion Radio - Professional tower supplies and specialty products for amateurs and industry.

Vectronics - Antennas, Filters, accessories, wattmeters, tuners and amplifiers.

Current Aurora status - The Aurora in near real-time from Sweden

The Sunspot Cycle - Sunspot Numbers, The Butterfly Diagram, the Greenwich sunspot data and sunspot realted infos.

W9XR XStamper products - Pre-inked - re-inkable stamps

RF Limited - CB and Ham Radio accessories

Elmer - Macintosh shareware, contains the full pool of questions for each of the five exams, and creates sample tests that will vary each time you take them and it will grade your exam.

Radioman - Freeware dos VHF/UHF Logbook morse code facility, kenwood transceivers interface, moontracking, distance and bearing calculators by DF9CY but discontinued and unsupported

Graphic Packet - GP for ms dos and ms Win by DD3DJ

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

TH-D7 control program - This software allows you to control TH-D7 radio functions in real time, using a windows interface. This software will graph current activity of any 4mhz range, allowing the user to mouse click any active portion - automatically changing the radios frequency.

432 MHz EME PreAmplifier - 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY