rf power

FRS Specifications - FRS frequencies, antenna and power limitations

ARRL: US Band Plan  ^pop - Includes a downlodable colorfull or b/w US Band Plan in PDF Format

bhi Ltd - Design & manufacture of Noise Eliminating speakers and modules for effective removal of unwanted noise & interference from SSB, HF, VHF, FM & UHF using new DSP technology

Luxorion ON4SKY website - Thierry LOMBRY, ON4SKY has developped a educational website mainly devoted to amateur astronomy but it includes also a large section dealing with amateur radio activities includes several interesting pages about radio astronomy and SETI

F6BLK.net -- Bernie's Website - F6BLK, ham radio operator since 1958, discovered the QRP in 1995. He presents the transceivers he built : the very performant Elecraft K2, and antennas. A part of the site is reserved for Gerard F6EHJ, who presents his creations.

F5NYV web site - My personal web site with a description of rotor sat

scanningmetrorichmond.info - This site is supplied as a reference for those interested in monitoring radio communications in the Richmond,Chesterfield,Henrico areas.

ScannerWorld.com - Radio Scanners Uniden Bearcat, Antennas, CB_Radios, Ni-Cad Batteries, Frequency Books, Accessories, Power Supplies and Cords, FM Two Way Radios, and other Related Merchandise

MJ Products - Wholesale distributor of CB radios, parts, antennas, microphones, power supplies, crystals, echo boards, expanders, meters and CB accessories.

DX Activities of ONL5183 - Whith more than 20 years of ham practicen SWL Thierry LOMBRY, alias ONL5183, has written several technical pages about ham activities, including propagation, radio perturbations, radioastronomy, DXing, QSLing, ham-spirit, review of material and more. This very interesting website is completed by a large French section devoted to amateur astronomy illustrated with vivid colors pictures.

4NEC2 antenna modeler  ^pop - 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler. Can be interfaced to HFwin32 propagation prediction software.

Satellite tracking with WinRotor - Tracking Interfaces and software for allmost every rotor

Beacon-Prediction Wizard Priority listing - Specialized interface for the communications-analysis-prediction engine provided by VOACAP, predicts the expected performance of high frequency, HF, radio systems

CQ Log - CQLog is a powerful logging program for Windows. It provides a comprehensive control centre for everyday on-the-air activities, including: full-featured logging of QSOs; statistics for many awards (for LoTW and eQSL capability); support for QRZ, RAC, GOLIST databases. You can save up to 3 pictures for each SSTV-QSO. Two-way data exchange with MixW2, and DigiPan. Integrates with DX Atlas. Real-time upload of QSOs to eQSL.cc. The program also offers a "contest-mode"; supports CAT systems for YAESU, ICOM, KENWOOD, Ten-Tec. Prints QSL cards, and QSL labels, addresses envelopes.

MacDSP - Digital filter for Macintosh computers with a PowerPC processor

EchoStation - EchoStation is a commercial windows repeater-control program for Windows which makes it easy to set up a complete, fully-functional repeater or announcement machine using a personal computer. Demo version available

eQSO - Dedicated ham radio internet gateway and server system. It is intended for use by RF gateways and PC users connected to the internet

HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.

HA8ET Technical & Homebrew pages  ^pop Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links

DL6JAN's CW keyboard - A micro processor interface that converts PC keyboard code into Morse code

A 20 Ampere / 13,8V power supply  ^pop - A 20 ampere and more 13,8V power supply for RTX

SSB20 power supply for SSB transceivers - 20 Amps peak of recycled grunt for SSB transceivers

Radio receiver dynamic range - The basics of radio receiver dynamic range performance used for specifying the performance of radio receivers used in radio communications systems.

Rtty interface (FSK/AFSK) with sound cards - "How to remove the so called ""ground loop"" and the reentry in the RTTY broadcast and make radio and PC happily coexist"

CAT Interface for Yaesu - schematic diagram for CAT interface for yaesu HF Transceivers