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223 results for “CHU”
NT1D CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> NT1D collected data on multiple frequencies.</p> <p>7.850 MHz USB. Icom IC-7610 connected to dipole. PC is Dell Inspiron 5567 Windows 10</p>
ET0002 - CWRU Farm - CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>See <a href="https://doi.org/10.5281/zenodo.13293306">10.5281/zenodo.13293306</a> for system documentation. <br>See <a href="https://doi.org/10.5281/zenodo.14004715">10.5281/zenodo.14004715</a> for python code to parse these files. </p> <p>Location: Chagrin Falls, OH. </p> <p>Lat/lon: </p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
AK0SK CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: FTDX-1200, Hustler 5BTV</p> <p>Antenna: Vertical omnidirectional</p> <p>GPS-disciplined: Yes</p> <p>Potential QRM: Nearby commercial AM radio transmitter</p>
K5UTD CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Alice Beideck KI1TEN, Eric Mutton KJ5DIF, Ronald Dang K5SUS<br><br>Radio: <span>Yaesu FT-1000MP</span></p> <p><span>Antenna: <span>Crushcraft R7000 Vertical, Mounted 3 stories on roof</span></span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Lat/Lon:</span></p> <table> <tbody> <tr> <td>32.98706034</td> <td>-96.75054227</td> </tr> </tbody> </table> <p> </p>
K8EOD CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio: Yaesu FT-817</p> <p>GPS-Disciplined: No</p> <p>AGC: Off</p> <p>Antenna: Long wire oriented NW/SE Used throughout</p> <p>Lat/Lon:</p> <table> <tbody> <tr> <td>43.2548005</td> <td>-86.2689067</td> </tr> </tbody> </table> <p>Notes:</p> <p><span>It appears that the software could only record 5 GB segments. I was alerted to this possibility after the period started. There was no way for me to know if it was actually happening. Thus, my file size is only 5GB or about 21 hours. Bummer! </span></p> <p><span>The 20 meter signal was strong during the several days it took to set up the station. It remained strong for a short time after the start and then disappeared. It came back very strong a few times during the two weeks of operation.</span></p>
K4NLC CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: Icom 7300</p> <p>GPS-Disciplined: Yes</p> <p>AGC: Off</p> <p>Antenna: EFHW - East-West</p> <p>Lat/Lon:</p> <table> <tbody> <tr> <td>35.1962</td> <td>-76.9787</td> </tr> </tbody> </table> <p>Comments: <span>Thank you all for letting an old man play!</span></p>
KG2BAD CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Yaesu FTDX10</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>North-South</span></span></p> <p><span><span>Lat/Lon:</span></span></p> <table> <tbody> <tr> <td>32.722879</td> <td>-96.846604</td> </tr> </tbody> </table> <p>Notes:</p> <p><span>I had to disconnect my system twice because of thunderstorms with serious lightning twice during the recording period. I also lost power while I was away from my station on Friday 4/12. I started recording again when I got home and learned power was lost and my computer had restarted. </span></p>
N1NAZ CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> N1NAZ collected data for all 3 frequencies of interest. </p> <p>Radio: Not specified</p> <p>Antenna: <span>265' Horz. Delta Loop At 50'</span></p> <p><span>Lat/Lon: </span></p> <table> <tbody> <tr> <td>42.84655113</td> <td>-71.42770866</td> </tr> </tbody> </table> <p>Notes: <span>April 6th data interupted because of extended Power Failure from Storm</span></p>
N1NAZ CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> N1NAZ collected data for all 3 frequencies of interest. </p> <p>Radio: Not specified</p> <p>Antenna: <span>265' Horz. Delta Loop At 50'</span></p> <p><span>Lat/Lon: </span></p> <table> <tbody> <tr> <td>42.84655113</td> <td>-71.42770866</td> </tr> </tbody> </table> <p>Notes: <span>April 6th data interupted because of extended Power Failure from Storm</span></p>
KD8VRX CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>IC-7300 with FLDigi</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>1/4 wave vertical antenna. Omni directional, only antenna used.</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>39.38604766</td> <td>-84.47576088</td> </tr> </tbody> </table> <p>Notes: Started recording late because of thunderstorms for a few days.</p>
N1NAZ CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> N1NAZ collected data for all 3 frequencies of interest. </p> <p>Radio: Not specified</p> <p>Antenna: <span>265' Horz. Delta Loop At 50'</span></p> <p><span>Lat/Lon: </span></p> <table> <tbody> <tr> <td>42.84655113</td> <td>-71.42770866</td> </tr> </tbody> </table> <p>Notes: <span>April 6th data interupted because of extended Power Failure from Storm</span></p>
W1WV CHU 7.580 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> W1WV recorded multiple frequencies.</p> <p>Radio: <span>Yaesu FTDX5000; AGC off, 6Kc roofing filter, USB mode tuned 1Kc below carrier frequency. No changes to receiver and antenna throughout recording period.</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>Array Solutions SAL-20 Vertical Shared Apex Loop array oriented NW direction. Loop apex height 25 feet. </span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>42.64357</td> <td>-74.03729</td> </tr> </tbody> </table> <p>Notes: <span>Separate files due to PC crash and HDD space limitations.</span></p>
W1WV CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p><em>Note: </em>W1WV recorded on multiple frequencies.<br><br>Radio: <span>ICOM IC-R75, AGC off, Wide filter, USB mode tuned 1Kc below carrier frequency. No changes to receiver and antenna throughout recording period.</span></p> <p><span>Antenna: <span>Wellbrooke ALA-1530LNP Bi-Directional Mag RX Loop oriented NW/SE direction. Loop diameter 1-meter, 10 feet above ground mounted onto a rotator.</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>42.64357</td> <td>-74.03729</td> </tr> </tbody> </table> <p>Notes: <span>Two separate files made due to PC HDD space limitations</span></p> <p> </p>
N2END CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>QRPLabs Receiver Module with Polyphase Network (USB)</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>12' circumference magnetic loop, 1/2" copper, vacuum capacitor, ferrite transformer, broad sides N-S</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>44.308707</td> <td>-74.130823</td> </tr> </tbody> </table> <p>Recording method: <span>SBSpectrum (bitmap images)</span></p> <p> </p>
AA9FT CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p>Radio: RSPduo software defined receiver</p> <p>Antenna: East-West EFHW</p> <p>GPS-disciplined: Yes</p> <p>AGC: Off</p> <p>Station Coordinates: 41.339, -88.427</p> <p>Notes: <span>I tried to record 7.850 MHz also with the other tuner, but the recording did not initialize properly. My apologies.</span></p>
N3NMV CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Icom IC-7300</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>MFJ-1796</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>30.3837824</td> <td>-97.6828444</td> </tr> </tbody> </table> <p> </p>
ND1T CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> ND1T collected on multiple frequencies. </p> <p>Radio: <span>FT-818ND & SignaLink USB</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>40m Dipole North-South</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>44.272165</td> <td>-73.095839</td> </tr> </tbody> </table>
NO9B CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> NO9B collected data on multiple frequencies.</p> <p><span>Radio: Icom IC-7300</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna:</span></p> <p><span>Lat/lon:</span></p> <table> <tbody> <tr> <td>-88.141471</td> <td>42.892428</td> </tr> </tbody> </table> <p>Notes: Thanks very much for the opportunity to provide possible data for this research. I am happy to do this again. I mentioned to multiple people that I was doing this and they thought is was really interesting and some of them didn't even know the ionosphere existed and those that did, didn't realize the sun affected it so much and how much it affected radio communications.</p>
NO9B CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> NO9B collected data on multiple frequencies.</p> <p>Radio: ICOM IC-741</p> <p>GPS-disciplined: No</p> <p>AGC: Off</p> <p>Antenna: Ladder fed 80 meter dipole with an auto tuner. Runs between two trees from north east to south west. The latitude and longitude are for the center of the dipole.</p> <p>Lat/lon:</p> <table> <tbody> <tr> <td>42.89254</td> <td>-88.141684</td> </tr> </tbody> </table> <p>Notes: Thanks very much for the opportunity to provide possible data for this research. I am happy to do this again. I mentioned to multiple people that I was doing this and they thought is was really interesting and some of them didn't even know the ionosphere existed and those that did, didn't realize the sun affected it so much and how much it affected radio communications.</p>
N8BMA CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>IC-7300</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>30 cm diameter Amplified loop receiving antenna.</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>31.81808</td> <td>-97.27431</td> </tr> </tbody> </table> <p>Notes: <span>Computer clock on the laptop running FLdigi was set to mountain time for about an hour, before it was switched to central time. <span>Also power was cut to the receiver several minutes before the FLdigi recording was ended. </span></span></p> <p> </p>
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