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Ham Radio programs and information| Found: 171. Displaying: 1-10 |  |  |
 | ka9oplcw.zip - |  | This program will help you learn Morse code. It also provides features
which will help sharpen your Morse code skills. Hams wishing to
prepare for their code test can benefit from this software.
Features include:
* Code generation using SoundBlaster (or compatible) card.
* Adjustable speed and pitch.
* Random code.
* QSO practice.
* Code chart which may be printed.
* Code from a text file.
Special requirements: MS-DOS or Windows 95/98; SoundBlaster-compatible
card.
Freeware. Uploaded by the author.
Joseph A. LaFauci, Custom Computer Services
joeleah@iquest.net
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  | Beacons 1.1 | | World radio beacons identifier aid. Useful to "ham" radio operators and swl (short wave listeners). Simplifies the identification of radio beacons around the world. Otherwise, you need a skill in Morse code. Even an expert at Morse code, this program has the advantage because it can show you the source of a beacon/s when the signal is barely perceivable. Also shows the location of beacons unheard due to poor propagation. |
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 | Ham Radio Tutor 2.0 | | Ham Radio Tutor is a drill program for the Ham License tests. It Drills one on Technician,Extra and General question pools, it creates sample tests, Drills on missed questions, Can take entire question pools in straight or random order.
Computers have a reputation for speeding things up. This includes studying for General Radiotelephone Operator License tests. This program is very helpful in memorizing items needed for the test. Often times,test questions are worded in ways that fool you. By using this program you will not be thrown by them.
Ham Radio Tutor drills you on questions you don't know instead of the questions you do know the answers to.
What you do is to take every question in the element topics. You can do this a little at a time; because the computer remembers which questions you have taken. Then You choose missed questions for the computer to drill you in questions you have missed.
Then you take the sample test which represents what you would be given in a real test. If you flunk the test you can then go thru every question you have missed. |
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 | coil02.zip 0.2 | | This program computes the electrical self inductance of various shapes and sizes of air core coils. Geometries include circular solenoidal current sheet, straight round wire, N-turn circular loop, circular toroid with circular winding, multi-layer square solenoid, circular toroid with rectangular winding, multi-layer circular solenoid, single-layer circular solenoid of round wire, single-layer square solenoid. Wire gauge calculation and dimensions in inches or centimetersare included.
The formulas for a multi-layer circular solenoid were obtained from National Bureau of Standards publications and are very accurate. They work for arbitrary winding thickness and length. A flat spiral disc coil is obtained by setting the length = 0. Also very precise is the NBS formula for a helical solenoid of round wire. It models the size of the wire and the nonuniform
current density inside the wire. In the case of a single-turn loop or a straight piece of wire, a
skin effect correction is computed. This requires that you enter the frequency of operation. The wire is then assumed to have the conductivity of copper. The inductance formulas are derived from the works of Butterworth, Dwight, Grover, Lyle, Nagaoka, Rosa, Snow, and Speilrein.
Included in the archive are a DOS executable program and C language source code.
Build scripts for the program are provided for Microsoft Visual C, Borland C 4.5,
VAX C, MSC, and unix systems. The program runs as a command line application.
Options and values are entered in a menu-style display format. |
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 | SNAPmax501 5.01 | | SNAPMax v5.01 calculates 1.5 to 45 MHz HF/MF radio propagation, including signal strength, signal-noise ratio and circuit quality, as well as MUF, LUF and FOT, and saves any three paths for future reference. Transmitter and receiver locations can be input either by call prefix or by latitude and longitude, and many can be selected by name too. Path loss analysis enables users to select different or better times, routes and frequencies, and gives a graphic breakdown of all noise sources. Other inputs are antenna gain, adjusted for take-off angle, and modulation schemes including digital modes, for assessing circuit quality, including multipath delay. The program supports long path, antipodean enhancement, and chordal hop. WWV ionospheric storm indexes (A or K) are used to determine polar path auroral losses, also MUF depression during storm events. E layer paths are assessed and ground-wave coverage is also calculated. Noise data for most major countries world-wide is provided, as is a simple graphic of probable noise levels across HF bands for any location. An expanded low frequency scale (2-12 MHz) improves low band displays for NVIS etc.
MUF is determined using the Fricker (BBC) algorithms, losses being determined by George and Bradley's method using an internal world-wide vertical absorption map. An approximate MF algorithm is used for top-band. Gyro-frequency is also mapped, as are terrestrial reflection points to take correct account of reflection from ground or oceans. More detail is to be found in Crawford MacKeand's book "The Friendly Ionosphere", also from Tyndar Press, and detailed operating descriptions are included with the zipped file for SNAPMax. Finally, SNAPMax501 supersedes shareware SNAPMax3.63 and is now FREEWARE for any non-commercial uses.
Crawford MacKeand WA3ZKZ, VP8CMY, ex-G4ARR |
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 | mcdtr100.zip - | | Morse Code Translator v1.00 is a relatively simple program which
translates what you type into Morse code. It displays the translation
on screen as you hear it through your PC speaker. Use it as a teaching
aid to learn Morse code as it stimulates both the visual and audio
portions of your brain, or use it just for fun.
Special requirements: None.
Freeware. Uploaded by the author.
Aaron Parecki
aaron737@juno.com
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 | morsetst.zip - | | Morse test is an aid for anyone learning Morse Code. The sound comes
from the speaker, the Tone and Morse speed can be controlled. It will
convert text entered from the Keyboard, or any ACII file loaded, to
Morse sounds.
Special requirements: None.
Freeware. Uploaded by the author.
Gordon Sweet
gordon.sweet@talk21.com
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 | grayln12.zip - | | Grayline v1.2 helps radio amateurs and shortwave listeners to benefit
from so called 'grayline propagation'. The grayline is a virtual line
which divides the earth in the day and the night side. When one radio
station is in the dusk and the opposite station is in the dawn, there
is a possibility for so called 'grayline propagation'. At sunrise the
D-layer builds up slowly and at sunset it disappears slowly again.
During this change, low frequencies are not absorbed but refracted by
the D-layer and they will enter the F-layer with a much lower wave
angle than normal. In this way longer distances can be used for
propagation on the lower HF bands. Grayline propagation occurs in
general from about 1.8 to 10 MHz and the propagation paths will be in
the dark. Grayline v1.2 calculates possible grayline propagation paths
for your location to other DXCC countries for any given date.
Special requirements: None.
Freeware. Uploaded by the author.
Folkert Geurink, PA3CQR
geurink@iri.tudelft.nl
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 | mtype.zip - | | MTYPE: Morse player. w/Pascal src. Freeware |
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| Found: 171. Displaying: 1-10 | | |
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