amateur frequencies
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Antennas : Wire- Long Wire Antenna for portable operations
- With the view to establish a quick and easy multi-band antenna deployment for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna should present non extreme impedances for all HF amateur band frequencies. This page is far from complete and represents the ongoing investigation into this type of antenna. Experiments to date seem to have raised more questions than obvious answers.
[ Hits: 796 | Votes: 13 | Rating: 8.69 ]
- Western Pennsylvania Repeater Council
- Coordinates amateur radio repeater systems, control and link frequencies
[ Hits: 300 | Votes: 0 | Rating: 0 ]
- Amateuradiomalaysia
- This site is meant to assist all Amateur Radio members know the "ins" and the "outs" of how to enjoy the hobby of getting on the amateur radio frequencies, by 9W2SSJ & 9W2RYS
[ Hits: 327 | Votes: 0 | Rating: 0 ]
- Shelby Amateur Radio Club's VHF Emergency Net
- Shelby amateur radio club's VHF emergency net is open to all within the repeater's coverage area. 146.880 and 147.345 are the repeater frequencies. Shelby Radio Club is the sponsor of the Shelby hamfest.
[ Hits: 870 | Votes: 9 | Rating: 8.67 ]
- AI4UK Ham Radio & Frequency Web Site
- All about amateur radio, police scanner frequencies. Frequency Listings for Kentucky, West Virginia, Virginia and others. Add your URL to the Scanner Link Page.
[ Hits: 4031 | Votes: 14 | Rating: 6 ]
- Digital Operating Modes
- Description, frequencies and sound samples of most popular amateur radio digital modes by DG8FBV
[ Hits: 1249 | Votes: 4 | Rating: 8 ]
- Amateur Radio Frequencies
- List compiled by N4LCD with description of main frequency usage
[ Hits: 768 | Votes: 0 | Rating: 0 ]
- RARS Repeater Operating Guide
- What is a repeater? How do you use repeaters. A great guide to use amateur radio repeaters incuding repeater frequencies, operating procedures and practices.
[ Hits: 294 | Votes: 1 | Rating: 9 ]
- Olivia, the Magic Digital Mode
- 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
[ Hits: 1931 | Votes: 8 | Rating: 8.38 ]
- Amateur Radio Microwave - Introduction
- Introdcution to Amateur Radio Microwave. A 21 page presentation of ham radio microwaves concepts for beginners. Frequencies, modes and activities. How to get started, what equipment is needed and some pictures of ham radio microwave station setups
[ Hits: 407 | Votes: 0 | Rating: 0 ]
- 6-Meter Ham Frequencies
- Alan Muir, VE7BEU, on behalf of the Westcoast Amateur Radio Association,(Victoria) is assembling and submitting the 6-meter Repeater pairs in use to the BC Amateur Radio Coordination Council.
[ Hits: 623 | Votes: 1 | Rating: 10 ]
- Ham Radio: Using Repeaters
- The most basic form of repeater receives communication on one frequency and re-transmits at a different frequency. This is known as duplex communication.
Repeaters are generally set up to operate with FM modulation on the amateur bands within the VHF (30 MHZ – 300 MHZ) and UHF frequencies (300 MHZ – 3 GHz). These are generally the frequencies used by handheld and mobile devices.
[ Hits: 92 | Votes: 1 | Rating: 8 ]
- Ham Satellite frequencies
- This listing was put together by ve7vdx on the USENET rec.radio.amateur.space, and is updated weekly there
[ Hits: 6526 | Votes: 38 | Rating: 5.58 ]
- Using a Baofeng handheld to work Satellites
- How to program Baofeng handheld transceiver with satellite frequencies, and how to get alerts when satellites are visible by using a smartphone app. A beginners guide to work satellites with a common VHF handheld radio.
[ Hits: 544 | Votes: 5 | Rating: 8.2 ]
- UK Scanner 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
[ Hits: 2316 | Votes: 337 | Rating: 7.69 ]
- FT CALC 1.3 - Ferrite Toroidal Core HF Calculator
- This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between 1 and 50 MHz. Manufacturer data for complex permeability, magnetic dimensions, and saturation flux density must be available. Some core types which are commonly used in amateur transmission are included.
The program produces limiting winding voltages for linear operation and temperature rise over the range of frequencies and power specified.
[ Hits: 283 | Votes: 1 | Rating: 2 ]
- Frequency Filer
- Frequency Filer is database program designed for people who use a great many different radio frequencies. It is primarily intended for amateur radio operators, short-wave listening enthusiasts and scanner users. The program makes it easy to keep all of your important frequency information in one place, displayed in a logical format to facilitate easy retrieval.
Frequency information can be displayed as a list and can be viewed on a world globe. Other features include easy data backup and custom field names. Included is database import utility that can be used as a general file conversion utility.
The globe display can also be used as general geographic aid for countries, cities, states, rivers, and lakes. You may even find your home town.
Windows Shareware
[ Hits: 4424 | Votes: 6 | Rating: 6.5 ]
- Radio Control Program ARCP-480
- 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.
[ Hits: 2158 | Votes: 2 | Rating: 9 ]
- About Cavity Filters
- Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass
[ Hits: 470 | Votes: 3 | Rating: 5.33 ]
- DSP-10 2-meter DSP transceiver
- The DSP-10 is an amateur-radio, software-defined 2-meter transceiver that can be built at home. It operates not only on SSB, FM and CW, but also on four Weak-Signal modes. Features are tailored to operation on VHF, UHF and Microwave frequencies. By W7PUA
[ Hits: 15569 | Votes: 39 | Rating: 8.03 ]
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