---
name: "azimuth"
section: "1"
platform: "linux"
package: "jiffy-perl-tk"
version: "19990726-6"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://new.carta.tech/azimuth"
---

# azimuth(1)

a program to view azimuth patterns

## NAME

  Azimuth - a program to view azimuth patterns

## SYNOPSIS

  azimuth \[NEC2outputfile\]

## DESCRIPTION

**Azimuth** reads files produced by NEC2 and provides three graphical depictions of that data, as well as a \`\`fact sheet'' summary. The default NEC2outputfile is \`\`fort.2''.

The three \`\`plots'' of output data include an ARRL-scaled polar graph, a linearly-scaled polar graph, and a cartesian graph of the same data.

If the minimum gain of an antenna is below -60 db, the program assumes a minimum gain of -60 db for the purposes of scaling the graphs properly.

In order to use  **azimuth** you must have NEC2 calculate certain data. The \`\`RP card'' for NEC2 input must be of this form:

```
RP  0  1    361 1001  75.0  0.0  0.0  1.0  10000.0 0.00E+00
```

This will insure that  **azimuth** has the data it expects.

A sample data file which describes a rhombic is included with azimuth, and is reproduced here also.

```
CM NEC Input File for Rhombic
CE
GW  1 10   0.00000   0.00000  10.00000  17.30000  10.00000  10.00000 0.01000
GW  2 10   0.00000   0.00000  10.00000  17.30000 -10.00000  10.00000 0.01000
GW  3 10  17.30000  10.00000  10.00000  34.60000   0.00000  10.00000 0.01000
GW  4 10  17.30000 -10.00000  10.00000  34.60000   0.00000  10.00000 0.01000
GE  1
GN  1  0    0    0  0.00E+00  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00
FR  0  1    0    0  3.00E+01  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00
EX  0  1    1    0  1.00E+00  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00
EX  0  2    1    0 -1.00E+00  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00
LD  0  3   10   10  2.90E+02  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00
LD  0  4   10   10  2.90E+02  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00
RP  0  1    361 1001  75.0  0.0  0.0  1.0  10000.0 0.00E+00
EN
```

A NEC2outputfile that results from this input file is included in the jiffy-perl-tk example directory as "fort.2".  A file called "azimuthcard" is also included.  That file contains only an appropriate "RP card".

**Azimuth** is part of the W5GFE Antenna Toolkit.  It is released under terms of the GNU Public License.

## AUTHOR

Bill Walker, W5GFE, bw@cs.ecok.edu

## SEE ALSO

[jiffy-perl-tk(1)](/jiffy-perl-tk/1.md), [elevation(1)](/elevation/1.md), [necview(1)](/necview/1.md), [wiresview(1)](/wiresview/1.md)