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This article proposes a lossy transmission line model of a practical Guanella 1:1 balun that is effective for all frequencies within and immediately adjacent to the pass band

JT65A frequencies. List of common HF frequencies where you can work JT65A.

The 20 thru 10 meter dipole is constructed from stranded insulated wire available in most hardware stores. The feedpoint uses an 8 inch long section of 2 inch diameter PVC pipe. A section of wire joins the elements at either side of the feedpoint to avoid the inductance of square knots used on lower frequencies.

ScanOhio Marine Radio frequencies

Free program that interfaces most ICOM radios with the ILG radio frequencies database and lets you click a station in the database to tune your radio to the station, or scan the list looking for stations that are on the air.

Radio scanner frequencies for nsw

List of italian airport frequencies

Informations about Scannings, with frequencies, information about scanning, hardware and software reviews

SSTV Fundamentals, frequencies in use for SSTV and many SSTV related infos, includes Fax basics

Windows freeware database containing frequencies, locations, and a small logging program capable or recording audio

This antenna was designed to meet the requirements of a light body worn small magnetic loop covering all the frequencies continuously from 7 MHz to 29.4 MHz

Sydney, Australia Area Police Scanner Frequencies

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

Guidelines on operating on ham radio repeaters frequencies

Trader net frequencies

It's all about usaf radio frequencies

The UK Scanning Directory - HF, VHF and UHF UK Scanner Frequencies Database Updated Daily by a dedicated group of Radio Amateurs and SWL Listeners

The following frequencies are assigned to datacommunications in the HF bands within the UK By RSGB data communications committee information.

List of VHF UHF ham radio repeaters in italy with frequencies and locations

United States Scanner Frequencies, Phone Numbers, and IP Addresses

This antenna will cover the 2 meter Ham Radio frequencies. This collinear antenna has a total gain factor approx 6 to 7dbd on two meter band

Article on using loop antenna in very low frequencies

Cruise Ship and Maritime Monitoring Frequencies - cruise ship frequencies maritime scanning radios vhf uhf

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.

How to make your ham radio system mobilemany ham radio operators carry radios for fun, safety and public service activities. radios for both vhf and hf frequencies can easily be installed in vehicles.

This free software is an application solely for the use of controlling the Kenwood TS-480. Can be used to edit, save, and export to the TS-480 information such as Memory, Menu, and Auto Mode frequencies.

Suggested frequencies for HELLSCHREIBER operation by the feldhell club

Olivia MFSK digital communications are becoming popular in amateur radio because Olivia is one of the most robust methods of text keyboarding, that can perform superbly for long distance communications. Olivia frequencies, format and software

List of latest published Weather Fax world wide schedule including frequencies and modes.

Website dedicated to Coastal Radio Stations, includes frequency lists for memdium frequencies maritime stations

Western Australia frequencies

United States and Canadian call sign/scanner frequency databases, Worldwide airport frequencies, FIPS codes, Mass Media searches for DXing and more!

F5AD describes the ATV repeaters in the south of France, and methods, frequencies, modulations used in ATV in France and in Europ. (French and English)

Shortwave schedules around the world with frequencies in kHz and distance calculator. This web site is an online searchable database of current broadcasting stations. You can search for stations on the air now or for scheduled transmisssion periods and frequencies.

It is a application which can be used for troubleshooting CB radio faults, by giving a graphical display of the normal operating frequencies generated by various parts of the CB radios circuits, it can help you identify if a frequency is incorrect or even missing. Another good use for this software is simulating possible frequency expansions, as it allows you to choose any frequency that the PLL is capable of generating, so you can see what the radio will allow you to get !

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.

Where to operate QRP

Frequencies, links for scanners, email lists, online audio and more for Maryland, DC, and parts of Delaware and Virginia

An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.

Grahams Goldcoast Australia Radio Scanner Frequencies

Scanning information and frequencies by Clay Irving N2VKG

The main purpose of the county hunter's net is to facilitate the operations of those hams seeking to work all counties in the United State. It is also a useful place for CW emergency communications as there is almost always someone monitoring the frequencies.

This modification will allow the MkIIG to transmit on most of the frequencies that it receives on.

The Considerate Operator's Guide shows frequencies generally recognized for certain modes or activities (all frequencies are in MHz).

When experimenting on an antenna it's often important to determine its feedpoint impedance at various frequencies across the operating band. It's easy enough to measure SWR, but sometimes we need to know more detail than this

Frequency database for Germany. Emergency services, aircrafts, radio and paging system with over 2000 frequencies from all over Germany.

Danish frequencies and scanner resource

Detection and recording of Schumann resonances and other electromagnetic phenomena at frequencies below 50 Hz By Hans Michlmayr

In this article, the author discusses the importance of good transformers for Beverages, especially for common-mode isolation. The author recommends #43 ferrite for the transformer, and provides the turns required for different core types. The author also recommends using lower permeability ferrites for better performance at lower frequencies.

The lists are the most comprehensive compilations of frequencies for the Greater Cleveland area