low pass filter 144mhz

Building an own Stackmatch - Nowdays lots of people are putting up antennas to either beam in different directions at the same time or just to stack them and get a lower angle of radiation. Use this stackmatch to match you array.

EI7BA's Amateur Radio Pages  ^updated - Multi Band Quad,Cushcraft R5, R7, R7000, repair and maintenance, Remote Antenna Switching, Hexagonal Beam, Automatic Band Decoder, Low Band Verticals, Crank-up Tiltover Tower etc

EU Sprint Contest - It's a nice DOS program to handle the EU Sprint Contest written by Peter, DL2NBU (tnx). Both the screen and most of the commands are very similar to CT by K1EA so the program will be real friendly. Use a standard CW interface (see below) to connect your computer to the radio and send CW from your keyboard. SPRINT runs on any IBM compatible computer (XT, AT) with MS-DOS 3.3 or higher, W95 and W98. The ZIP file includes an ASCII file in English written by the author with instructions.

Zlog for windows - zLog for Windows is a freeware full-featured contest logging software that runs on Windows. It supports major international and domestic (JA) contests and is customizable to many other contests not directly supported by zLog. Features include CW keying via parallel/serial/USB interfaces, highly sophisticated TCP/IP network that allows instant synchronization of a log of an M/M station, rig control, PacketCluster connenction. By JJ1MED/AD6AJ

Low Land DX-pedition Team - Contains stories, pictures, audio files of all previous expeditions and current ones.

DXCluster IOTA spots - Live IOTA spots by the dxsummit dx cluster

Low band monitor - The Low Band Monitor Newsletter is dedicated to the 40 - 80 and 160 Meter DXer.

G1IVG Colin - Amateur Radio mods for FT847, TM732, TH48, C510, GP300, GM300, MCMicro, IC2800 plus others

PE1PKU Peter - technics, radio astronomy, great links, duplex filter

EI4IX Dave - Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation.

Pravacy Speaker PMR446 - We are a leading developer and manufacturer PMR446 in Korea. Our new developed PMR446 model no. IFR-100 has new function like as private speaker it allow not to speak out from the radio and only you can hear the communication by using a private talk mode.

Isotron Antennas - Isotron antennas are low-profile HF antennas. If you need a small antenna, then an Isotron may be the answer. Bilal isotron antennas.

SuperPass Company Inc. - Antenna manufactuer, Panel antennas, sector panel antennas, high gain for ISM, MMDS, PCS, GSM, CDMA, TDMA, 400MHz, 900MHz,1.9GHz, 2.4GHz, 2.7GHz, 3.5GHz,5.8GHz. Broadband wireless applications for ISP,ASP.

Palstar - Receivers, Antenna Tuners and accessories, antenna analyzers, dummy loads, wattmeters, shortwave radio receivers, baluns, filters

KQ0RP Iowa QRP Club - Club formed to promote amateur radio low power operation, to hone operating skills, to improve building skills, and to introduce the hobby to prospective new amateur radio operators

Radio Direction Finding SM5SVM - SM5SVM ARDF resources

G0ITP Ham radio SSTV Pages - The UK Home of Slow Scan Television

SSTV History - Slow Scan TV History from 1957 till today

Propagation below 10 MHz - About the band behaviour or propagation towards distant locations by SM6EHY

WINRLC - Simple freeware tool to calculate several kinds of HF filters. Use to calculate L-C and R-C band filters and bandpasses, L-C, L-R and R-C highpasses and lowpasses, coils and capacitors.

DSPFilter - MM Hamsoft  ^pop - Freeware DSP filter by JE3HHT

Cloudlog - Self-hosted Open source PHP Amateur Radio Logging Application originally started by Peter 2E0SQL to allow simple interaction with the Ham Radio Deluxe logbook using MySQL

7 MHz SSB Transceiver  ^pop - Circuit diagram and discription of 7 MHz Ham Radio SSB Transceiver. Transceiver using two MC1496, 4.43 MHz Ladder filter, LM386, LM324 and IRF840 in final.

The G8TTI homebrews - Home made transverters blockschematics two metre HB9CV, 144MHz SSB Transceiver

Ham Radio Circuits  ^pop - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.