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- Bearing/Distance Program Operator's Information
-
- Bearing/Distance Program BD.EXE and associated Turbo Pascal 5.5 files
- have been designed to enable an amateur radio operator to quickly identify
- a DX prefix location, determine the Great Circle and reciprocal or long
- path bearing and distance to this location, and observe the local time at
- this location. In addition, if only the Latitude and Longitude are known,
- this may be appropriately entered to determine bearing and distance data.
- UTC Time and Local Time/Date at your location are also furnished for a log
- entry.
-
- This program should run on all IBM compatible machines. To speed up
- the program, no disk accesses are required during operation. All of the
- DXCC prefixes have been included, however more prefixes may be added,
- following the ELSE IF format shown in the Turbo Pascal Unit GETINFO3. In
- some cases like the USSR, more exact entry of the DX prefix is required.
- Printing GETINFO1, GETINFO2, and GETINFO3, should familiarize the user with
- available DX prefixes. Some major US cities have also been included.
- Entering K1 - K0 provides general information only.
-
- Entering BD at the DOS prompt will load the program. Operation is
- self explanatory from then on. Other than remembering that certain DX
- prefixes must be entered with the numeral, i.e. UA1, and some others you'll
- see in the GETINFO Units, operation is simple and fast. After entering UA1
- for example, the following is displayed for Location:
-
-
- UA1 European USSR : Franz Josef Land 81, -55
-
- The information indicated after the Primary Location, European USSR, is for
- Secondary Locations having the same DX Prefix. In the case shown above,
- this prefix is also Franz Josef Land at the latitude and longitude shown.
- In this case the user would note the latitude and longitude, entering this
- information when requested by the program, to obtain bearing/distance
- information. The display includes instructions to the user concerning
- Daylight Savings Time and locations on the half hour. If a location has an
- asterisk before the name, a half hour must be added to the Local Time
- shown. If a location is on Daylight Savings Time(DST), add 1 hour to the
- local time at his location. The time at your QTH is already corrected by
- the program. Since one location may have several prefixes, i.e., DA-DP for
- W. Germany, the first is always in the program, however only some of the
- most common have been included. Hence , if you don't find one like DP,
- think of the first in the series, and enter it. Again, feel free to add as
- you see fit. A word of caution; the maximum number of DX Prefixes in any
- one GETINFO Unit is limited, so if you get a weird compiler error AFTER
- adding prefixes or cities, just set up another unit four.
-
-
-
- Good luck, 73's, and happy DXing.
-
-
- Bob Wagner
- N6DUR
-