F j w M a p

Program for planning of transmitter locations in ARDF competitions

and simple creations of data necessary for ARDF-FjwW

All rights reserve:   © Karl-Heinz Schade 2004-2019, www.dl7vdb.de     Commercial using is not permitted !

Hints to improve this English text are welcome !
Thanks for download and using FjwMap. The author is interested in error messages and new ideas.
Note: please do not use monitor resolution with 256 colors !

Generation of the data for planning a new contest:

Edit functions:

Precise setting of locations with GPS data from GPX files (way points):

Storage of the generated data:

Open a MAP file:

Receiving of GPS-NMEA data on serial COM port:

Printing the map with the locations:

Running route calculations for categories:

Limit time recommendation:

Display of running route stored in GPX/TCX files:

Drawing of the personal running route:

Work with Altitude data:


Precondition for the next three points is the using of coordinate crosses with setted GPS data !


All rights reserved:  Karl-Heinz Schade, Berlin/Germany DL7VDB
For all linked pages above I have no influence on the design and contents,
therefore I outdistances me expressly from the contents of this pages.
Program is using library to unpack of ZIP altitude data
// zlib.h -- interface of the 'zlib' general purpose compression library, version 1.1.3, July 9th, 1998
// Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
// and to store as JPG file
// jpge.cpp - C++ class for JPEG compression.
// Public domain, Rich Geldreich (richgel99@gmail.com)
// and algorithm to investigate the optimal searching order of
// Keld Helsgaun (keld@ruc.dk): An Effective Implementation of the Lin-Kernighan Traveling Salesman Heuristic
// Department of Computer Science, Roskilde University, Roskilde/Denmark