log periodic design

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Museum of Radio and Technology - Museum of radio and technology in Huntington, West Virginia USA

11-meter.com - Activation logs, IOTA, projects and more.

RA0FF LogSearch Collection - DXers and Contesters logs. Interactive Logs, Log Search, Logbooks collections.

VP8CRB - On-Line VP8CRB DXpedition Log

XR0YG Online-Log - XR0YG Log On-line Easter Island 2013

Real-Time Internet Radio - All about live Internet Radio Broadcasting, including links to stations throughout the world and articles on the technologies that make Internet Radio possible.

Texas Towers - Ham radio products, with on-line catalog and prices

All Electronics Corp. - Surplus and electronics parts. On-line catalog available.

P. C. Electronics - Manufacturer & dealer for ATV gear. Catalogue and application notes available free to licensed Amateur Radio operators.

INRAD International Radio - Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios

Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

Titanex  ^pop - Low weight Titanium Verticals, Log-Periodics, Yagi antennas, Quads, towers and antenna accessories by Titanex

Linux DStar Development - The life and times of development of a Linux D-Star repeater and dplus node.

Satellite Tutorial - A good starting point to setup an Amateur Radio Satellite receiving system.

Universal Radio  ^pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories

DOS programs by g4fgq - Small collection of DOS antenna design and RF calculations programs

CQRLOG - Advanced ham radio Linux logger based on Firebird database. Provides radio control based on hamlib libraries, DX cluster connection, QRZ callbook, a grayliner, ON6DP QSL manager database support and a most accurate country resolution algorithm based on country tables developed by OK1RR. CQRLOG is strongly focused on easy operation and maintenance.

DirLog  ^updated - DirLog is freeware CB 11 meters logbook available only to Alfa Tango Members

YPlog - YPLOG logging software for Windows support Icom and Kenwood Radios, map programs and a program for coaxial trap design.

CwGet  ^{updated  pop} Priority listing - A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required — you need only receiver and computer with a sound card. Can integrate with AALog logger.

MRX Software - MRX Morse Code for Windows 9x/NT is a program designed to teach morse code receive and transmit using the benefits of Multi-Media PC technology

SOFT990 - SOFT990 is a freeware designed for the transceiver YAESU FT-990. Running also with FT-840 FT-890 FT-900 FT-920 FT1000MP FT-1000D

Speaker Design - Java applet to design speakers

JF1OZL  ^pop - Large list of homemade projects and designs