low pass filter 144mhz

G4CQM Homebrew VHF Yagi antennas  ^{updated  pop} - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis

7 Elements YAGI for 144 Mhz  ^{updated  pop} - The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz SSB/MGM band, in PDF Format

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

W5JI Boatanchor Haven - Dedicated to the Care and Feeding of BoatAnchors, includes some Drake catalogs, and 1968 Collins Mechanical filter catalog pages

QRZ Ham Radio Exam Test - This testing system serves as a training aid to help amateurs and prospective amateurs in passing the FCC exams neccessary to obtain US amateur radio licenses.

Oregon Live - Follow the news as it happens. Listen live as the police and fire service do their jobs

TX RX Systems Inc - TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

G3 Visas and Passports - U.S. passport and visa expediter

Travel.State.Gov - Largely US based information on travel warnings, US Embassy info, Lists of Doctors/hospitals overseas, passport info, and general travel tips etc.

Radio waves below 22 kHz - Exploring ULF-ELF and VLF radio band

CW Operators' QRP Club Inc. - The CW Operators' QRP Club exists for those who enjoy low power amateur radio and homebrewing.

Morse Code For The Rest Of Us: Learn Morse Code quickly and easily. - Morse Code For The Rest Of Us: Learn Morse Code quickly and easily. Have fun with the Morse Code tutorial which is guaranteed to help you pass the FCC 5 word per minute test.

Radiopejlorientering - Radio Direction Finding - The Swedish ARDF page is mainly presented in the Swedish language, but some articles are in English.

Amateur Radio Slow Scan Television by N8GCD - SSTV web site by N8GCD, tips and tricks, getting started and related links

Frequency Guide Victoria - A site for every scanner enthusiast but especially for people living or visiting the lower Vancouver Island Area and Victoria B.C. Canada. This page has pictures with aerial pictures.

ScanNewBedford.com - Welcome to scannewbedford.com. This site was built for people who would like to hear a live broadcast of New Bedford Massachusetts public services. There are also a few frequencies from other local towns such as Dartmouth, and Fairhaven being broadcasted on our live audio feed. The web site is free for everyone to use and pass along to another friend. Thank you and enjoy the Scan New Bedford Live Scanner Audio Broadcast of New Bedford`s Police, Fire, and EMS.

Solder-It Co. - manufacture and distribute specialty low temperature solder pastes, butane powered torches, tools and a few other amazing products

How to Receive SSB Broadcasts With an AM Only Receiver - Iyou want to learn a little about how SSB works, or you absolutely cannot afford a more sophisticated shortwave receiver, try the following

VOAnews.com - VOA Special English uses a limited vocabulary and a slower rate of speech to help people become familiar with American English through programs on radio, television and the Internet. At the same time people also learn about world news, science, American culture and other subjects.

BR-universal-Filt - Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable

Koch Method CW Trainer - Based on the Koch Method as described by David G. Finley, N1IRZ, this software allows you to start out at the full speed you want to achieve by learning two letters and adding an additional letter once you reach 90% proficiency.

ScanControl - ScanControl is the only low cost, easy to use software that supports programming and control & monitoring of the Uniden BC245XLT, BC895XLT, BCT8, BC780XLT, BC250D, BC785D, BC296D, BC796D Digital Scanners and the Radio Shack PRO2052

Filters for NDB reception - RF Filters to help with NDB reception problems

Icom 706MKIIG mod of internal fan on rx - Unlike the old Icom 706, the 706 MKIIG HF/VHF/UHF multi-mode ham radio transceiver do not keep its internal blower running all the time in receive mode.