pi filter

G5RV Optimization - Optimising a typical G5RV antenna by VK1OD

14 CPI 90 Eric - Station, info and links

Crazy Lex - Keeping the CB-Radio spirit alive and kickin', Crazy Lex infos, equipment and links

PI4CC DX Cluster - Web cluster by PI4CC Contest Club

OE1002419 Kurt Brandstetter - Page with pictures of my boatanchors and QSL's from Ham Radio, Broadcast and Utility stations. Over 330 DXCC countries. QSL Info Page with a lot of search engines for QSL Info servers. Broadcast and Utility QSL's.

Philippines - PARA  ^updated - Philippine Amateur Radio Association

9A5AAC Miroslav - Personal site dedicated to amateur radio. HAM stuff - something about me, my homeclub and 9A - Croatia, links, pictures. This is also home of HAMs On The Net WebRing.

SV8CS Spiros - Dx on Hf specially on low bands from Zante island Greece

Amateur Radio & DX Reference Guide - Ham Radio and DX topics by AC6V

Array Solutions - WX0B - Stacking and phasing HF and 6m arrays antenna switches and contesting devices. Custom low band antenna arrays, bandpass filters,commercial/Mil STd filters,microwave components, commercial broadcast filters.

Q-PAR Microwave Antennas - The company (founded in 1973) excels in the research, design, development and manufacture of microwave antenna systems & components. Our range includes horn, reflector, sinuous, spiral, LPDA, helical antennas, etc; antenna positioners, and many bespoke components.

Piccon - PicCon is a PIC microcontroller based radio controller designed for hidden transmitter hunting

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

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

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

Piratas Amateur Radio Club - "KC2DVQ ""CB Os Piratas"""

W1PID QRP Operations - W1PID outdoor amateur radio operation web site with pictures and descriptions of his portable operations

Yaesu VX-8R Audio Level - The RadioReference.com Forum topic about VX-8R and audio setting

RigPix Database - Yaesu - VX-8R - Yaesu VX-8R specifications and picture

Scanner-radios picking the right scanner - There was a time that scanning was easy. There were no trunked radio links and no digital radios. There was no encryption with frequency hopping to drivge us scanner radio-operators nuts. And there were no laws at one time telling us what we can scan and what we can not scan. Fortunately even with the above scanning is still a fun hobby.

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.

Chromapix - SSTV Workstation for Windows 95/98/NT by siliconpixels

Tunekit - Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter tuning aid for actually designing and building a working filter

TVI and BCI Filters - TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.

Lowpass filter for 5MHz - The following lowpass filter was built using the tables in the arrl manual, it is a 5 section one and seems to work ok