R&S 4200 Series Operating Manual page 33

Open Source Acknowledgement
Open Source Acknowledgement\\Open Source Acknowledgement "Radio".doc
The firmware of the instrument makes use of valuable open source software
packages. The most important of them are listed below together with their
corresponding open source license. The verbatim license texts are provided in
the following chapters.
BZIP2
Linux
FEC
MD5
Net-SNMP
OpenSSL
The product OpenSSL includes cryptographic software written by Eric Young
(eay@cryptsoft.com) and software written by Tim Hudson (tjh@cryptsoft.com).
Rohde & Schwarz would like to thank the open source community for their
valuable contribution to embedded computing.
The source code of the open source packages is available on request.
Package
http://www.bzip.org
http://www.kernel.org
http://www.ka9q.net/code/fec
http://openjpeg.googlecode.com/svn
/trunk/OPJ_Validate/md5.c
http://www.net-snmp.org/
http://www.openssl.org
Link
0.17
R&S XU 4200
License
BZIP2
GPL v.2
LGPL 2.1
RSA MD5
NetSnmp-5.4.2.1
OpenSSL / SSLeay
6166.5368.02.01