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223 results for “CHU”
WB8ILI CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>ICOM IC-7300</span></p> <p>GPS-disciplined: No</p> <p>AGC: Off</p> <p>Antenna: <span>Buckmaster 7-band Off-center-fed Dipole 3,000 watt</span></p> <p>Lat/lon: </p> <table> <tbody> <tr> <td>42.683624</td> <td>-82.744139</td> </tr> </tbody> </table> <p>Notes: <span>My location is not the quietest. </span></p>
VA3ROM CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> VA3ROM collected data on multiple frequencies.</p> <p>Radio: <span>RX-888 MKII SDR (modified for GPDSO)</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>Ground mounted 40m self-resonant vertical with radials. Omni-directional.</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>48.453</td> <td>-89.20946</td> </tr> </tbody> </table>
VE3MCF CHU 7.849 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Elecraft KX3</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>Random Wire 90+ ft. oriented approx. NNW</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>44.3485 N -</td> <td>78.7546 W</td> </tr> </tbody> </table> <p>Notes: <span>Fldigi / Flrig Rx .wav. <span>Used 7849 mhz. <span>Also recorded same time using Xeigu X6100 rig, another computer and a 6M - 40M Dipole, but no way to upload data.</span></span></span></p> <p> </p>
W3OA CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> W3OA recorded on multiple frequencies. WE2S also contributed to this data collection. </p> <p>Radio: <span>Yaesu FDXD5000</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>Dipole, NW-SE</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>35.57851</td> <td>-80.9475</td> </tr> </tbody> </table> <p><span><span> </span></span></p>
VE3RXH CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Yaesu FT-991A, Hustler 5BTV antenna</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>Hustler 5 BTV, vertical</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>45.019897</td> <td>-75.648638</td> </tr> </tbody> </table> <p><span><span> </span></span></p>
VE1KAO CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Kenwood TS-590V</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>Antenna is approximately East West , Pattern is Approximately North South. </span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>44.67061403</td> <td>-63.55923681</td> </tr> </tbody> </table> <p><span><span>Notes: <span>My Antenna is very low and may have NVIS properties. It is resonant at 10.1MHz.<br><span>I hid the paper shredder so no one would shred during the event. I told my wife that all uses of the vacuum cleaner would be recorded for posterity . My antenna works against the garage's steel frame. The electrical power to the garage was off for this event. Now that the recording is over my dirt bike can be used again -also not run during this period to keep noise down. </span><br></span></span></span></p> <p> </p>
VE3GTC CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>home brew zero IF ( i.e. Direct Conversion ) reciever</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>unterminated short beverage oriented E - W</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>45.27569</td> <td>-75.26743</td> </tr> </tbody> </table> <p><span><span><span>Adjustments: RF gain after 2024-04-11</span></span></span></p> <p><span><span><span>Notes: <span>fldigi worked well. However, given some time before hand vlfrx-tools could have been used to good effect to collect and analyze during and post data collection period. Linux only however ...</span></span></span></span></p>
W3OA CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p><em>Note:</em> W3OA recorded on multiple frequencies. WE2S also contributed to this data collection. </p> <p>Radio: <span>Yaesu FTDX10</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>Center Fed Zepp, NW-SE</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>35.57851</td> <td>-80.9475</td> </tr> </tbody> </table> <p> </p> <p><span><span> </span></span></p>
N2CUA CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Yaesu FT-991A, Hustler 5BTV antenna</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>Hustler 5 BTV, vertical</span></span></p> <p><span><span>Lat/lon:</span></span></p> <table> <tbody> <tr> <td>45.019897</td> <td>-75.648638</td> </tr> </tbody> </table>
WQ6D CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>IC-705</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>End-fed Random Wire</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>34.0512921</td> <td>-118.4309105</td> </tr> </tbody> </table> <p><span><span> </span></span></p>
WD8CIV CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p><em>Note</em>: WD8CIV collected on multiple frequencies.</p> <p>Radio: HamSCI Grape1 version 1.12 receiver with QRP Labs ProgRock2 RF synthesizer for local oscillator and QRP Labs QLG2 GPS receiver for PPS.</p> <p>GPS-disciplined: Yes</p> <p>AGC: Off</p> <p>Antenna: 70 foot end fed wire oriented East-West. (I uploaded a file with more details: CHU Monitor Station WD8CIV.docx)</p> <p>Lat/lon:</p> <table> <tbody> <tr> <td>43.22146569</td> <td>-77.26645006</td> </tr> </tbody> </table> <p>Notes: <br>I uploaded a file with more detail about my station: CHU Monitor Station WD8CIV.docx<br>I don't know how good the GPS discipline of the ProgRock2 is with the QLG2 GPS receiver. These are hobby devices.</p>
Fig, 1. A map of Singapore and southern Johor showing the sites examined (Ο) and the locations where Brachidontes striatulus was collected (•) (locations 7a and 11). The locations are numbered in order of ascending salinity, except location 7a; 1: Sungei Mandai, 0‰; 2: West Coast, 1‰; 3, Sungei Danga, 2‰; 4, Kim Seng Canal, 2‰; 5, Sungei Sekudai, 5‰; 6, Sungei Serangoon, 9‰; 7, Siglap Canal, 10‰; 7a, Siglap Canal, 20‰; 8, Kallang River, 11‰; 9, Upper Rochor Canal, 12‰; 10, Kallang River, 13‰; 11, Lower Rochor Canal, 16‰; 12, Sungei Senibong, 17‰; 13, Whampoa/Kallang River junction, 19‰; 14, Rochor Canal mouth, 19‰; 15, Sungei Sembawang, 20‰; 16, Sungei Pandan, 22‰; 17, Sungei Plentong, 22‰; 18, Lim Chu Kang Road end, 24‰; 19, Sungei Simpang, 24‰; 20, Sembawang Park, 25‰; 21, Causeway, 25‰; 22, Kranji bund, 25‰; 23, Stulang Laut, 26‰; 24, West Coast Drain 2, 27‰; 25, Singapore River, 27‰. in Brachidontes Striatulus (Bivalvia Mytilidae) Introduced Into Singapore
Fig, 1. A map of Singapore and southern Johor showing the sites examined (Ο) and the locations where Brachidontes striatulus was collected (•) (locations 7a and 11). The locations are numbered in order of ascending salinity, except location 7a; 1: Sungei Mandai, 0‰; 2: West Coast, 1‰; 3, Sungei Danga, 2‰; 4, Kim Seng Canal, 2‰; 5, Sungei Sekudai, 5‰; 6, Sungei Serangoon, 9‰; 7, Siglap Canal, 10‰; 7a, Siglap Canal, 20‰; 8, Kallang River, 11‰; 9, Upper Rochor Canal, 12‰; 10, Kallang River, 13‰; 11, Lower Rochor Canal, 16‰; 12, Sungei Senibong, 17‰; 13, Whampoa/Kallang River junction, 19‰; 14, Rochor Canal mouth, 19‰; 15, Sungei Sembawang, 20‰; 16, Sungei Pandan, 22‰; 17, Sungei Plentong, 22‰; 18, Lim Chu Kang Road end, 24‰; 19, Sungei Simpang, 24‰; 20, Sembawang Park, 25‰; 21, Causeway, 25‰; 22, Kranji bund, 25‰; 23, Stulang Laut, 26‰; 24, West Coast Drain 2, 27‰; 25, Singapore River, 27‰.
W8EDU CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p><em>Note</em>: These data were collected at the Case Amateur Radio Club, W8EDU (w8edu.wordpress.com) by Adam Goodman, W7OKE.</p> <p>Radio: <span>Icom 7618</span></p> <p><span>GPS-disciplined: Yes</span></p> <p><span>AGC: On</span></p> <p><span>Antenna: <span>40m beam pointed at CHU (NW of here)</span></span></p> <p><span><span>Lat/lon:<br></span></span></p> <table> <tbody> <tr> <td>41.50149532</td> <td>-81.60723716</td> </tr> </tbody> </table> <p>QRM: <span>noisy roof!</span></p> <p><span>Notes: <span>briefly shut it off for the UPS battery swap on april 8</span></span></p>
NT1D CHU 14.670 MHz from April 8, 2024 Solar Eclipse
<p>Radio:</p> <p>GPS-disciplined:</p> <p>AGC:</p> <p>Lat/lon: </p> <table> <tbody> <tr> <td>42.4717</td> <td>-71.619</td> </tr> </tbody> </table> <p>Notes: </p> <p>14.669 MHz USB (CW): Icom IC-705 connected to Mosley CL-33. PC is Dell XPS9320 Windows 11</p>
CWRU Farm SDR CHU 3.330 MHz from April 1, 2024
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
CWRU Farm SDR CHU 14.770 MHz from April 8, 2024 Solar Eclipse
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
CWRU Farm CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
CWRU Farm (ET) CHU 3.330 MHz from April 8, 2024 Solar Eclipse
<p>Collected at Squire Valleevue Farm.</p> <table> <tbody> <tr> <td>41.49308889</td> <td>-81.42378287</td> </tr> </tbody> </table>
Fig. 22. Palaeochoristitid Eochoristites neipentaiensis Chu, 1933 in Silicified Mississippian brachiopods from Muhua, southern China: Rhynchonellides, athyridides, spiriferides, spiriferinides, and terebratulides
Fig. 22. Palaeochoristitid Eochoristites neipentaiensis Chu, 1933 from the Tornaisian Muhua Formation, southern China. SEM stereopair of incomplete dorsal valve, ZPAL V.XXVI/70, showing development of short dorsal adminicula. Sample D3.
WA4YWM CHU 7.850 MHz from April 8, 2024 Solar Eclipse
<p>Radio: <span>Elecraft K3S</span></p> <p><span>GPS-disciplined: No</span></p> <p><span>AGC: Off</span></p> <p><span>Antenna: <span>40M NVIS Dipole oriented East to West</span></span></p> <p><span><span>Lat/lon: </span></span></p> <table> <tbody> <tr> <td>40.41585</td> <td>-75.376109</td> </tr> </tbody> </table> <p>Notes: <span>Note that the first recording was briefly interrupted due to a power failure at 1500 on 4/3. The second recording was started at 1508.</span></p>
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