dc converter

A portable 10/20/40 mt vertical antenna  ^pop - A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too.

24 Mhz Yagi Antenna - A two elements yagi antenna for 24 Mhz

Rotary dipole for 12/17 meters - A home brewed rotary dipole antenna for 12 and 17 meters band with pictures and construction details

Yagi antenna for 17 meters band - A 3 element yagi antenna for 17 meters

The Cycloid Collinear, a CP Omni - This paper describes a wide band, high gain, multi-element cp omni with a single 50 ohm feedpoint with instructions for building a 2 and half element cycloid collinear for 2 meters.

The Little Stick Antenna  ^pop - The Little Stick antenna is an aluminium version of the Vertical Bazooka design which was made from coax.

Rotary Dipole for 30 and 40 meters band - Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band

A 30/40 meters band vertical anetnna - A shortened 30/40 meters band vertical antenna in italian

Mobile 10/80 dipole antenna setup - A mobile setup using a dipole antenna for 10 to 80 meters band in italian

Linear Loaded mobile antenna - A vertical linear loaded antenna for 2 meters band in italian

WARC 24 18 - 3 element Yagi Antenna - An old project by I1VCF for a 3 element yagi antenna originally designed for 10/15/20 and extended to 24 and 18 Mhz in Italian

Quad Antenna for 144 Mhz - A VHF Quad antenna for teh two meters band in italian

Delta Loop antenna maintenance - IK4DCS experience on maintaining a multiband delta loop antenna for 10/12/20 meters.

IK4DCS 80-160 mt Sloper antennas - My Sloopers antennas for 80 and 160 meters

A cheep and reliable tower - Pictures, drawings and notes about IK4DCS home made tower in italian

Resonant Frequency: The Ham Radio Podcast - The amateur radio podcast was created to help get information on amateur radio out to the new ham and the ham that wants to find out about different aspects of the hobby they are thinking about trying out.

SolderSmoke podcast - Radio experimenters discuss workbench projects

WD8LQB Morse Code Learning Podcast - 5 word per minute morse code training for amateur radio operators. Listen to these 10 podcasts and learn morse code

Ham Radio Video and Sound clips - KB7TBT amateur radio video clips and sound clips collections

Maxdao Technologies - Maxdao: offer you 7/16, N coaxial connectors, jumper cables, feeder clamps and grouding kits, surge arresters & brackets, wall entries and microwave components used in base tower, power dividers, couplers

Operating from a scooter - Activities from a scooter by IK4DCS using a dipole

Text to Morse converter - A simple text to morse and morse to text online converter

LP-Rotor - LP-Rotor 2.0 is a standalone freeware rotator control program for use with Microsoft Windows. LP-Rotor should work with all versions of Windows from Windows 95 forward. It is designed to be used with the Hy-Gain DCU-1 or RotorEZ interfaces for Hy-Gain rotators, or the RotorCard interface for Yaesu rotators.

The KB6IBB Utilities - Ham radio frequency list consolidation software. The Ham Radio database can house a unlimited number of records. Holding frequency information from DC to Daylight. The Radio Scanner Database is designed to emulate a radio scanner. A 5,000 record table is provided and is organized by channel number.

JQAM (QAM modem) - Transmit audio/video, UDP packets, http, rs232, with QAM using the soundcard rates up to 100kb/s.