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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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PACKET RADIO sa PACKET RADIO ANTENNA sa PACKET RADIO INTERFACE CABLE sa RADIOTELETYPE xx AMATEUR RADIO xx DATA COMMUNICATION xx RADIO xx RADIOTELETYPE A primer on packet radio. Amateur packet radio consists of digital "sentences" from your computer or terminal connected to another amateur operater's computer or terminal using amateur radio as the transmission media. Packet radio. How to work it (not how it works). Part 1. Packet radio. How to work it (not how it works). Part 2. The basics of differential phase shift keying and 2400 baud packet. 2400 baud packet and bit error rate. An amateur packet radio primer. Part 1. Introduction. An amateur packet radio primer. Part 2. Packet radio equipment. An amateur packet radio primer. Part 3. Operating packet radio. An amateur radio packet primer. Part 4. Bulletin board operation. Amateur packet radio. An explanation of this new mode of digital communication and the opportunities it offers for amateur radio enjoyment. PICPRO. A PICture PROgram for the PC which allows the display of a picture in color as it is received via packet radio. An introduction to packet picture transfers. An introduction to packet radio. Part 1. Terminology. An introduction to packet radio. Part 2. How to connect your data terminal equipment (DTE) to the data communications equipment (DCE) using the RS-232 buss or cable. An introduction to packet radio. Part 3. Configurations that allow more versatile applications, including binary file and picture transfers. An introduction to packet radio. Part 4. Upgrading older terminal node controllers (TNC). Using MOVs (metal oxide varistors) to protect equipment from power surges. Understanding the seven levels of packet control work. What is a packet. Attaching the TRS-80 color computer to a TNC (terminal node controller). Packet enhancements. Wiring diagrams for attaching Alinco ALR22 transceivers and ICOM 25A/255 series transceivers to Kantronics TNCs. Packet quick connector. Using DIN-type connectors makes it easier to attach different radios to your TNC (termnal node controller). The packet cluster. Attaching to IBM PC and clones. Glossary of packet radio terminology. Building flow-control mechanisms to pass ASCII files from one computer to another. Both RS-232C hardware and software wiring patterns are described. Packet duplexing. Part 1. Construct a dual-port packet system utilizing the Net/Rom firmware from Software 2000 and a pair of MFJ 1270Bs. Adapt one radio for dual-baud operation or output on two different frequencies using the techniques and cable assemblies described. Packet duplexing. Part 2. Learning the Net/Rom end-user commands. Color pictures via packet. Introduction to the process of generating, transmitting and reproducing digitized pictures using packet radio. How to log onto and use a packet radio BBS (bulletin board system) or mailbox system. Full speed ahead for HF packet. Introduction to the use of 1200- and 2400-baud in the frequencies above 28 MHz. Radio frequency interference and its impact on packet radio. Common causes and cures are explained. Cable hookups for interfacing the TAPR 2 (or clone) to the ICOM-290 and the Apple computer. Cable interface for connecting a Macintosh SE computer to a TAPR 2 (or clone) and to a PacComm Tiny-2 TNC. A simple approach to the packet commands that are part of each and every TNC used. Part 1. Modification to use tuning indicator of the KAM to tune 1200 baud signals on HF above 28 MHz and operate 1200 BPS. RS-232 cable for interfacing the TAPR 2 and the Apple computer. A simple approach to the packet commands that are part of each and every TNC used. Part 2. Cable schematic for attaching a TAPR 2 (or clone) to a Kenwood TM-231 transceiver. Cable schematic for attaching an AEA PK-232 to a Yaesu 757GXII transceiver. Starter packet. A basic introduction to packet radio. Includes cable diagrams for connecting common pieces of equipment (computers, transceivers, etc.). Time-shift packet. Easy methods of recording packet information for future decoding and display. Antennas and digital RF communications. A look at the specifics related to various types of antennas and their applications to packet and other digital modes. Building a CONVERS node which connects to a NETWORK node for "gateway" connecting. Packet radio's long-haul mail system. An explanation of how the system works and how to better use it to your advantage. Packet radio's "new wave" comes of age. Detailed information on upgrading various models of TNCs (terminal node controllers) to operate at 2400 baud. Building nodes, gateways, dual-ports, backbones and trunks. Uncomplicating the TNC throughput/timing commands. ROSE switch, the first packet networking program that uses the CCITT X.25 standard, is explained. How to add 2400 BPS (baud) to the AEA PK-232. Instructions for modifying the MFJ-2400 modem kit to interface with the PK-232 TNC. Modifying and configuring the MFJ-1274/Turbo TNC for various gateways and nodes. How to make and use an easy-to-build HF packet tuning indicator. Back to the basics. Information for the packet radio beginner. Tips on modifying packet radio transceivers to operate at 9600 baud. Taking the mystery out of packet controller commands. Part 1. Asychronous commands, special character commands, and identification commands. Taking the mystery out of packet controller commands. Part 2. Link control commands, timing commands, and feature commands. Modifying the Alinco DR-1200 DataRadio to operate at 9600 baud. Implementation and use of the European X-1 bank-switching version of TheNet networking firmware for TNC-2 and clones. Part 1. How to build, install, and configure the X-1J node. Implementation and use of the European X-1 bank-switching version of TheNet networking firmware for TNC-2 and clones. Part 2. A user's guide. Implementation and use of the European X-1 bank-switching version of TheNet networking firmware for TNC-2 and clones. Part 3. A deviation meter for TheNet X-1J node. The care and feeding of nodes. How to perform routine maintenance on a TNC-2 or clone used in packet radio. Explanation of the differences between the MFJ-1270/1274 "B" version and the MFJ-1270/1274 "C" version TNC (terminal node controller). Troubleshooting audio levels in a TNC (terminal node controller). Diagrams included for the MFJ-52A and MFJ-1270C showing location of the transmit audio (AFSK) level control. The art of node configuration. Building (or adding to) a 9600 baud network. Simple modification to the AEA PK-96 will enable this node to interface with node stacks and gateways that already exist. Building and implementing a conference node. Includes location and procedure for installation of the conference node EPROM in the TNC. Slow scan television (SSTV). Tips on experimenting with this form of digital communications using packet radio equipment. How to modify the GE (Ericsson) Phoenix SX and the Motorola MITREK commercial transceivers for use at 9600 baud. Let's talk 9600 baud. Information on adapting existing transceivers to interface at 9600 baud. Part 1. Let's talk 9600 baud. Information on adapting existing transceivers to interface at 9600 baud. Part 2. The cause and cure of RFI in packet radio. What goes into building the 9600 baud backbone node and how to modify the low-band VHF Mitrek as a 9600 baud, 60 watt transceiver. Modifying the Motorola Micor transceiver (predecessor to the Mitrek) for 1200 baud operation plus upgrades to 9600 baud. Modifying the GE/Ericsson MASTR Executive II radio for 1200 baud. Modifying the Motorola VHF Mitrek radio to operate at 1200 or 9600 baud. Modifying the ICOM IC-25 and IC-28 radios for 9600 baud packet operation. How to correctly configure 1200 baud LAN nodes and 9600 baud backbone nodes so they will operate together. Modifying the Ericsson/GE VHF Phoenix SX (a 40 watt, 16 channel transceiver) for packet radio use. Modification to add a 2400 baud modem to the MFJ-1278 (or MFJ-1274) TNC and include 2400 bps packet operation. Features of the X-1J4 TheNET node from the user's point of view. Includes explanations and definitions that support the basic X1 commands. An introduction to packet radio. Looks at interfacing the TNC (terminal node controller), basic packet operation, basic TNC configuration, receiving and transmitting packet signals, and twenty interface cable diagrams for connecting to the various MFJ-5000 series TNCs. Creating your own DX utility (computer) software to control two TNCs from one screen without swapping cables, connectors, etc. A general descripton of the process. Packet radio. An introduction to the use of amateur radio to transmit computer data. Build a packet-radio tuning indicator which alternately flashes two LED's representing the "mark" and "space" frequencies in the presence of a properly tuned signal. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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