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63 lines
2.6 KiB
Plaintext
63 lines
2.6 KiB
Plaintext
// Status=review
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[[FIG_BAND_SETTINGS]]
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By default, the *Working Frequencies* table contains a list of
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frequencies conventionally used for modes FT8, JT4, JT9, JT65, MSK144,
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WSPR, and Echo. Conventions may change with time or by user
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preference; you can modify the frequency table as desired.
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image::settings-frequencies.png[align="center",alt="Frequency Screen"]
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- To change an existing entry, double-click to edit it, type a desired
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frequency in MHz or select from the drop down list of options, then
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hit *Enter* on the keyboard. The program will format your changed
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entry appropriately.
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- To add a new entry, right-click anywhere on the frequency table and
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select *Insert*. Enter a frequency in MHz in the pop-up box and
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select the desired mode (or leave the Mode selection as *All*). Then
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click *OK*. The table may include more than one frequency for a given
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band.
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- To delete an entry, right-click it and select *Delete*, multiple
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entries can be deleted in a single operation by selecting them before
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right-clicking.
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- Right-click anywhere within the table body and click *Reset* button
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to return the table to its default configuration.
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Other more advanced maintenance operations are available on the
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right-click context popup menu that should be self-explanatory.
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_Frequency Calibration_: If you have calibrated your radio using WWV
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or other reliable frequency references, or perhaps with the technique
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described in {fmt_wspr}, enter the measured values for _Intercept_ A
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and _Slope_ B in the equation
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Dial error = A + B*f
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where "`Dial error`" and A are in Hz, f is frequency in MHz, and B is
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in parts per million (ppm). Frequency values sent to the radio and
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received from it will then be adjusted so that frequencies displayed
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by _WSJT-X_ are accurate.
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_Station Information_: You can save *Band*, *Offset* and *Antenna
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Description* information for your station. The antenna information
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will be included in reception reports sent to {pskreporter}. By
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default the frequency offset for each band is zero. Nonzero offsets
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may be added if (for example) a <<VHF_SETUP,transverter>> is in use.
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- To simplify things you might want to delete any unwanted bands --
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for example, bands where you have no equipment. Then click on a
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*Frequency* entry and type *Ctrl+A* to "`select all,`" and
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drag-and-drop the entries onto the _Station Information_ table. You
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can then add any transverter offsets and antenna details.
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- To avoid typing the same information many times, you can
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drag-and-drop entries between the lines of the _Station Information_
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table.
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- When all settings have been configured to your liking, click *OK* to
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dismiss the *Settings* window.
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