https://www.hfunderground.com/wiki/index.php?title=LowFER&feed=atom&action=historyLowFER - Revision history2024-03-19T08:06:58ZRevision history for this page on the wikiMediaWiki 1.16.5https://www.hfunderground.com/wiki/index.php?title=LowFER&diff=6265&oldid=prevChrisSmolinski at 20:15, 7 August 20142014-08-07T20:15:31Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[HiFER]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[HiFER]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Radio propagation beacon]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Radio propagation beacon]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Part_15_Beacons]]</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==External links==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==External links==</div></td></tr>
</table>ChrisSmolinskihttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5919&oldid=prevStrange Attractor at 12:19, 24 September 20122012-09-24T12:19:23Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency [[radio propagation beacon]] (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency [[radio propagation beacon]] (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmitter and the antenna). RF stage ''input power'' is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''.<ins class="diffchange diffchange-inline"><sup>(1)</sup> </ins>In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmitter and the antenna). RF stage ''input power'' is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz), as in the past the lower half of the band was occupied by strong signals of the Ground Wave Emergency Network (GWEN). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz), as in the past the lower half of the band was occupied by strong signals of the Ground Wave Emergency Network (GWEN). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5918&oldid=prevStrange Attractor: /* References */ new section2012-09-24T12:17:59Z<p><span class="autocomment">References: </span> new section</p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==International==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==International==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to achieve an ''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to achieve an ''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">==References==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"># White, G.E.: "1750 meters - Some data on an undiscovered experimental band". CQ, April 1968, p. 31-32,120.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"># Ellen White, W1YL, ed.: "ARRL Ham Radio Operating Guide", The American Radio Relay League, Newington, CT, p. 36-37, 1976.</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5833&oldid=prevStrange Attractor: /* External links */2012-06-01T20:03:46Z<p><span class="autocomment">External links</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.sdradio.eu/weaksignals/argo/index.html Argo]: a QRSS and DFCW viewer, especially tailored for LF, but usable also for EME, by I2PHD.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.sdradio.eu/weaksignals/argo/index.html Argo]: a QRSS and DFCW viewer, especially tailored for LF, but usable also for EME, by I2PHD.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.auroralchorus.com/pli/1750meter_antennas.pdf Basic 1705m transmitting antenna] by Mitchell Lee.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.auroralchorus.com/pli/1750meter_antennas.pdf Basic 1705m transmitting antenna] by Mitchell Lee.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://www.w4dex.com/gallery/lowfer_QSL Lowfer QSL] : A great collection of LowFER QSL cards, by W4DEX</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Radio esoterica]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Radio esoterica]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Beacons]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Beacons]]</div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5245&oldid=prevStrange Attractor: /* International */2011-08-15T06:45:46Z<p><span class="autocomment">International</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==International==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==International==</div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to achieve <del class="diffchange diffchange-inline">and </del>''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to achieve <ins class="diffchange diffchange-inline">an </ins>''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5195&oldid=prevStrange Attractor at 17:13, 1 August 20112011-08-01T17:13:19Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmitter and the antenna). RF stage ''input power'' is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmitter and the antenna). RF stage ''input power'' is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz<ins class="diffchange diffchange-inline">), as in the past the lower half of the band was occupied by strong signals of the Ground Wave Emergency Network (GWEN</ins>). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most of the tranmitting equipment for the LowFER band is homemade, but commercial equipment becomes available occasionally. Several HF transceivers and receivers tune down to 100 kHz or lower, alternativley LF up convertes may be used for reception.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most of the tranmitting equipment for the LowFER band is homemade, but commercial equipment becomes available occasionally. Several HF transceivers and receivers tune down to 100 kHz or lower, alternativley LF up convertes may be used for reception.</div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5170&oldid=prevStrange Attractor: /* International */2011-07-30T05:34:03Z<p><span class="autocomment">International</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==International==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==International==</div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to <del class="diffchange diffchange-inline">achive </del>and ''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to <ins class="diffchange diffchange-inline">achieve </ins>and ''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5169&oldid=prevStrange Attractor: /* International */2011-07-30T05:33:25Z<p><span class="autocomment">International</span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency [[radio propagation beacon]] (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency [[radio propagation beacon]] (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmitter and the antenna). RF stage input power is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmitter and the antenna). RF stage <ins class="diffchange diffchange-inline">''</ins>input power<ins class="diffchange diffchange-inline">'' </ins>is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td></tr>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">==International==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Outside North America, there is an official [[amateur radio]] allocation between 135.7-137.8 kHz. Higher trasnmitter power levels are permitted, to achive and ''effective radiated power (ERP)'' of 1 W. This power level allows long distance two-way communications under favorable conditions and with the use of special modulation techniques.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5166&oldid=prevStrange Attractor: spelling2011-07-28T03:22:31Z<p>spelling</p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 03:22, 28 July 2011</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency [[radio propagation beacon]] (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency [[radio propagation beacon]] (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the <del class="diffchange diffchange-inline">transmisster </del>and the antenna). RF stage input power is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the <ins class="diffchange diffchange-inline">transmitter </ins>and the antenna). RF stage input power is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Most transmissions consist of beacons near the high end of the band (180-190 kHz). LowFERs usualy transmit morse code telegraphy, slow speed telegraphy and various digital modes. These modes include extremely slow morse code (QRSS) and dual-frequncy CW (DFCW), which can be passed through very narrow filters and displayed visually with programs like SPECTRAN, ARGO etc. Speech transmission (AM or SSB) is also allowed but sheldomly used. </div></td></tr>
</table>Strange Attractorhttps://www.hfunderground.com/wiki/index.php?title=LowFER&diff=5165&oldid=prevStrange Attractor at 20:36, 27 July 20112011-07-27T20:36:59Z<p></p>
<table style="background-color: white; color:black;">
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<td colspan='2' style="background-color: white; color:black;">Revision as of 20:36, 27 July 2011</td>
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<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency radio beacon (or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>A '''LowFER''' is a low frequency <ins class="diffchange diffchange-inline">[[</ins>radio <ins class="diffchange diffchange-inline">propagation </ins>beacon<ins class="diffchange diffchange-inline">]] </ins>(or occasionally other type of station), run by a hobbyist under FCC Part 15 rules. The word is an acronym of ''Low Frequency Experimental Radio''. </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmisster and the antenna). RF stage input power is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Unlicensed LowFER operation is allowed in the frequency range 160 - 190 kHz, the so called ''1750 meters band''. In this frequncy range transmitters may not use antennas longer than fifty feet (including any transmission line between the transmisster and the antenna). RF stage input power is restricted to a maximum of 1 W. Due to these restrictions, LowFER transmitters are usually located at the base (feeding and grounding point) of a vertical antenna.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[HiFER]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[HiFER]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Radio propagation beacon]]</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==External links==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==External links==</div></td></tr>
</table>Strange Attractor