A C-program for encoding POCSAG-packages
Base
Radio paging is defined as "non-speech, one-way, personal selective calling
system with alert, without message or with defined message such as numeric
or alphanumeric" in CCIR's recommendation defined below.
POCSAG is a protocol for transmitting data to pagers. It is also called
Radio Paging Protocol No. 1. The protocol is used for example in the swedish pagernet MiniCall.
The program
I have made a C-program that calculates what to send in batches.
To understand what batches are are you almost have to read the spec.
Here is the sourcecode zipped (11443 bytes).
Sources of information on POCSAG and pagers:
- "Recommendations of the CCIR, 1990 Volume VIII". Rec. 539-2 describes
the requirements of the transmitter as frequency deviation. Also
called "Technical and Operational Characteristics of Future International
Radio-Paging Systems".
- "Recommendations of the CCIR, 1990 Volume VIII". Rec. 584-1 describes
the protocol. Also called "Standard Codes and Formats for International
Radio Paging"
- "Recommendations of the CCIR, 1990 Volume VIII". Rep. 900-2 contains
additional information concerning Radio-Paging Code No. 1.
- Philips
have made an "application book" called "Pager Applications
Handbook AN3B".
- A link
to low cost POCSAG paging network howto.
[Back to my project page]
[Copyright © 1996, 1997, 1998, 1999, 2000,2004 Stefan Petersen,
spe@stacken.kth.se ]