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Opening A Real Dimensional Portals With Audio Frequency
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<blockquote data-quote="TimeFlipper" data-source="post: 188694" data-attributes="member: 6456"><p>Yes iam fully aware of the crystals that were used for operating on a stable fixed frequency...For example, 7.1 Mhz was a classic amateur radio frequency for using Morse Code, and during the 1950s radio hams were using such crystals in their transmitters for simplicity, instead of building a variable frequency oscillator (VFO)...Crystals were also used for calibration of radio receivers....Radio Hams would sometimes change the frequency of the crystal by etching it, for example the 7.1Mhz crystal I mentioned could be etched to create 7.125 Mhz as an example...There was even a circuit created called "A rubber crystal" that could shift the crystals frequency very slightly!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite45" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" />...</p><p></p><p>To find the length of a resonant piece of copper wire in "meters" you need to divide the frequency in Megahertz into 300....I will explain..</p><p>The speed of light is 300,000,000 meters per second...I will use an amateur radio frequency of 10,000,000Hz (10Mhz)…Remove the 6 zeros from both, and we have the 10Mhz divided into 300, expressed as 10/300=30 meters of copper wire in length which is a full wave dipole...a half wave dipole is 15 meters in length, a quarter wave dipole is 7.5 meters length, a 1/8th wave dipole is 3.75 meters in length and so on..</p><p>. </p><p>To find the resonant length of an antenna for 432Hertz, we have to express it as 0.000432/300=approximately 695,000 meters for a full wave resonant antenna (providing my math is correct)...a half wave antenna is 347,500 meters in length, a quarter wave antenna is 173,750 meters in length, a 1/8th wave antenna is 86,875 meters in length and so on....It is necessary to know that if for example you chose the 1/8th wave length of copper wire, that is 86,875 meters, you still have to cut it into half as you would a half wave dipole...The "positive" side of the transmitters output goes to one half and the other half is known as the "ground" section of the antenna...Such antennas are made from straight lines in varying angles.</p><p></p><p>I believe you could possibly still keep reducing the length of the antenna, provided you keep dividing each length in accordance of how i set it out....Although i have no idea of how it would work, and by winding a suitable length of wire into a coil would not work as other factors such as inductance comes into play....Perhaps you might find some info on how to make a suitable "loading coil" for an end fed length of copper tubing of say 12 foot for example, operating on 432 hertz...Let me know how you get on with that will you? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite38" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />….</p></blockquote><p></p>
[QUOTE="TimeFlipper, post: 188694, member: 6456"] Yes iam fully aware of the crystals that were used for operating on a stable fixed frequency...For example, 7.1 Mhz was a classic amateur radio frequency for using Morse Code, and during the 1950s radio hams were using such crystals in their transmitters for simplicity, instead of building a variable frequency oscillator (VFO)...Crystals were also used for calibration of radio receivers....Radio Hams would sometimes change the frequency of the crystal by etching it, for example the 7.1Mhz crystal I mentioned could be etched to create 7.125 Mhz as an example...There was even a circuit created called "A rubber crystal" that could shift the crystals frequency very slightly!! :D... To find the length of a resonant piece of copper wire in "meters" you need to divide the frequency in Megahertz into 300....I will explain.. The speed of light is 300,000,000 meters per second...I will use an amateur radio frequency of 10,000,000Hz (10Mhz)…Remove the 6 zeros from both, and we have the 10Mhz divided into 300, expressed as 10/300=30 meters of copper wire in length which is a full wave dipole...a half wave dipole is 15 meters in length, a quarter wave dipole is 7.5 meters length, a 1/8th wave dipole is 3.75 meters in length and so on.. . To find the resonant length of an antenna for 432Hertz, we have to express it as 0.000432/300=approximately 695,000 meters for a full wave resonant antenna (providing my math is correct)...a half wave antenna is 347,500 meters in length, a quarter wave antenna is 173,750 meters in length, a 1/8th wave antenna is 86,875 meters in length and so on....It is necessary to know that if for example you chose the 1/8th wave length of copper wire, that is 86,875 meters, you still have to cut it into half as you would a half wave dipole...The "positive" side of the transmitters output goes to one half and the other half is known as the "ground" section of the antenna...Such antennas are made from straight lines in varying angles. I believe you could possibly still keep reducing the length of the antenna, provided you keep dividing each length in accordance of how i set it out....Although i have no idea of how it would work, and by winding a suitable length of wire into a coil would not work as other factors such as inductance comes into play....Perhaps you might find some info on how to make a suitable "loading coil" for an end fed length of copper tubing of say 12 foot for example, operating on 432 hertz...Let me know how you get on with that will you? :)…. [/QUOTE]
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