log periodic array

WW2Y/K2WI Beverage design - Ideas for enhanced beverage antenna performance, Single wire beverage improvements and arrays of two beverages

Beverages: How Short Can They Be - When we think of Beverage antennas, we automatically think of several acres of land and lots of wire!

Thinking about Ideal Loops - Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.

Antennas and Grounds for apartments  ^pop - Suggestions on finding RF ground when you live in an apartment and you want to setup an antenna

IOTA Groups and Reference Numbers - Short Format List of IOTA Groups and Reference Numbers

YI9PSE On-line Log - YI9PSE online log - IRAQ 2010 DXpedition web site

LA3F - Follogruppen av NRRL. - Hjemmesiden til Follogruppen av Norsk Radio Relæ Liga

KB3JUV Amateur Radio Site & Blog - KB3JUV Amateur Radio Site & Blog, with lots of picture of mobile and home station

EZMaster by HamRadioSolutions - EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity. Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .

Malaysia Surge Protection - Global Lightning Technology - Malaysia lightning Malaysia surge protection system

The One Man Tower - Complete tower system incorporates rotator mount, and lateral support collars. You never have to climb again - and forget the hassle of tilting over to work on large arrays. The "One Man Tower" is the strongest dmall footprint free standing self erecting tower in the world

Ham Radio Audio and Resources - EchoLink and IRLP Internet Radio Linking Project Node's, Hurricane Watch Audio Feed's and Info, Live Scanner/Other Feed's from the USA, Local Ham Frequencies, Online Receiver's, Shoutcast Live Audio Feed's from the USA, Southern California Frequencies and more

Long Beach California Frequencies - A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes

Spy Numbers Database Search Form - Search for recent spy numbers listening or add your loggings.

NetLogger - NetLogger is a logging program that can use the internet to transmit check-in information to other users of NetLogger. Net participants that are monitoring the net with NetLogger receive updated information every twenty seconds.

RodLog HAM radio logging system - A site about RodLog, a HAM Radio logging system to replace the paper logbook and allow fast searching and analysis of the data.

B-Log - B-Log is a very simple, free-form logging program that offers useful features for the shortwave or scanner hobbyist, including SWBC listeners, AM-BC listeners, utility listeners, and amateur radio operators. The program is both simple to learn and use, and very powerful.

Turbo HamLog - Japanes only logging program that run under windows.

OH1AA Logging program - The OH1AA logging program package is designed to handle the book-keeping of amateur radio contacts. The package contains three separate main prog- rams by which contacts are managed. Run under DOS and is freeware

URLog - Freeware easy to use amateur radio logging software with basic features.

Cobracom - Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.

G7RAU Live MUF V7 - Live MUF is a DXC (cluster) telnet client which attempts to resolve propagation modes from spots and also attempts to calculate sporadic e possibilities purely based on incoming data from the cluster

FT897 SuperControl - CAT control and logging software project especially developed for the YAESU FT-897 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope

APRS on your phone - iBCNU is an APRS GPS position reporting and text-messaging application for the Apple iPhone. When position reporting is enabled, the application will periodically send out location of your iPhone using either 3G or WiFi network and iPhone's built in GPS receiver

Different grounds for different shacks - Technical questions answered about grounding techniques, in pdf file