1 REM Ins{nd av Bosse Gidmark <455> 1986-04-13 02.15.49 You are connec3ed to the Techn. Univ. of Berlin, Dept. of Computer Science Welcome to QOM. If you want to register as a new QOM user, type "new" when prompted. Otherwise, give a unique abbreviation of your name. Please type your name or "new" ("quit" to leave). Please type your password: - Thank you. Time last present: Today 12-Apr-86 18:02:16. You have seen all the news. (Get) help - join packet Join (conference) Packet-Radio You are not yet a member of Packet-Radio. Do you want to become a member (Yes, No, Perhaps)? - y Welcome to "Packet-Radio"! You have 4 unseen messages. Message-id: 191 Date: Tuesday 4-Jun-85 12:25:50 Sender: Karl-Heinz Pape DESY Hamburg Receiver: Packet-Radio Lines: 20 Subject: Packet Radio Digipeater in Hamburg -------------------------------------------------------------------- In Europe packet radio is running on the data calling channel at 144.675 MHz as assigned by the IARU. Usually the range of transmitters at that frequency is (with a power output of abt. 10 Watts) 30 to 100 km. To increase the range repeater stations have been built since a long time for voice transmissions. The digital equivalence for repeaters is called "digipeaters". Since the digital AX.25 transmissions are in bursts the input and is received by the digipeater,stored, and retransmitted to the next station as soon as the frequency is free again. In Hamburg/Germany we put a digipeater on top of the second highest building belonging to the university (the highest one is already occupied by the meteorologists), the so called "Phil-Turm" located in the Schlueterstrasse. This digipeater has a power output of about 25 Watts and is using a horrizontally polarized antenna pointing in the direction of Hannover. The hardware of the digipeater is a TAPR-TNC Model 1. (TAPR= Tucson Amateur Packet Radio group, TNC= Terminal Node Controller, someting like a PAD for radio) Karl-Heinz DK8HI ------------------------------------------------------ (Message 191) (Read) next notice - Message-id: 205 Date: Thursday 6-Jun-85 7:48:43 Sender: Anders Andersson Uppsala University Receiver: Packet-Radio Lines: 18 Subject: SOFTNET in Sweden -------------------------------------------------------------------- At Linkoeping University, Sweden, the SOFTNET User Group is developing a packet radio network node, complete with software. Unfortunately, I'm not familiar with the state of art, as I only have a copy of the "Softnet News" from early 1984. The node consists of an on-board micro computer (Motorola 6809) with Forth, communicating with a "link computer" (also 6809) via a common packet buffer. The link computer is connected to the radio modem. Each node in the network should be able to be programmed (using Forth) from remote nodes, thus increasing the possibilities to test new routing algorithms etc. I'm sorry I can't contribute with further information, but maybe I'll find time later to catch up on what's going on in this area, and then I'll report in this forum. Anders Andersson SM5POR ------------------------------------------------------ (Message 205) (Read) next notice - Message-id: 566 Date: Sunday 7-Jul-85 14:50:55 Sender: Oliver Laumann TU Berlin Receiver: Packet-Radio Lines: 137 Subject: Packet Radio in the US -------------------------------------------------------------------- Posted: Sun Jul 7 11:39:32 1985 From: Chris To: Pacnet Subject: Packet Radio Usa Welcome to the magic world of Packet radio. (July 5, 1984) This file will briefly introduce you to the resources available to the packet user in the Southern Cailifornia LAN (Local Area Network). Frequencies 1. 145.36 - This is the primary packet channel in the Los Angeles area. There are several digipeaters and mailbox systems available. Simplex operation. Strictly packet operation except for the weekly packet voice net. Very active nightly and on weekends. 2. 144.76 - This is a secondary packet channel for the Los Angeles area, and the primary channel for San Diego. Digipeaters and mailbox systems are available. Strictly packet operation except for weekly packet voice net. 3. 146.595 - Secondary packet channel for both Los Angeles and San Diego. Little activity at present in Los Angeles due to adjacent channel interference from 146.61 repeater. Full time digipeaters or mailboxs are currently unavailable. 4. 146.745 (out), 146.145 (in) - RF duplex packet repeater located on Mount Bill (San Fernando Valley area). Channel shared with PL operated voice repeater in Palos Verdes, and carrier squelch voice repeater in San Diego. Packet repeater requires 202 modem tones for keyup. Active at various times. Set TXD to 10 to allow for repeater keyup delay. Mailbox available. Packet operation is not welcome on the San Diego machine. 5. 441.5 - NBFM simplex packet channel. Currently light activity. This channel is for GROUND LEVEL use only, prior approval from SCRRBA on a case by case basis is required for hilltop use to prevent interference to existing installations. (The Southern California 450 band plan is low in, high out). We are currently seeking a coordination for a wideband channel for high baudrate experimentation, THIS IS NOT IT! 6. 145.83 -> 145.835 (out) - Oscar 10 AMICON channel. Active on weekends. Currently the standard 202 tones at 1200 baud are being used. PSK and other modem standards will be used in the future. Nets & Meetings 1. The LAPG (Los Angeles Packet Group) holds its voice net Monday nights at 8:00 P.M. on 145.36. Meetings are held at 11:00 AM on the last Saturday of the month at the home of WA6TUB, 4814 West 130'th street in Hawthorne. (This is same day as the TRW swap meet and is about a 10 minute drive away.) 2. The SDPG (San Diego Packet Group) holds its voice net Tuesday nights on 144.76 at 9:00 PM weekly. Meetings are held at 11:00 AM on the first Saturday of the month at Howard Johnsons resturant at I-8 and Waring road. 3. A packet roundtable is held on 146.745 following the Monday night LAPG voice net. Mailbox Digipeaters, and Packet hosts 1. WB6UUT - Very active mailbox system with users from both San Diego and Los Angeles. 145.36 simplex, digipeat thru WA6OZJ from Los Angeles. Located in Laguna Beach. 24 hour operation. Apple computer running UCSD PASCAL. 2. WB6YMH-2 - Remote CP/M packet host. 145.36 simplex, digipeat thru W6SE from San Diego area, direct or thru WA6OZJ in Los Angeles area. Located in Palos Verdes. Two disk drives provide 980k on line storage. Packet related files are uploaded regulary from various networks. An Oscar tracking program is available for execution. Surplus Xerox 820 (Z-80) computer. 3. WB6HHV-2 - Remote CP/M packet host. 144.76 simplex, digipeat thru WB6WLV from Los Angles area, direct or thru WB6WLV from San Diego. Located in Mira Mesa. Surplus Xerox 820 (Z-80) computer. 4. WB6WLV - Otay mountain, San Diego area. 144.76 simplex. Digipeat only. 24 hour operation. Good coverage into Los Angeles area. 5. W6SE - Encinitas. 145.36 simplex. Provides a good path from the Los Angeles area into San Diego. Digipeat and local operator John. 6. W6MNO - San Diego. 145.36 simplex. San Diego area digipeat and local operator Chuck. Path into Los Angeles with good conditions. 7. WA6OZJ - Palos Verdes. 145.36 simplex. Los Angles basin digipeat and local operator Jim. 24 hour operation. 8. WB5EKU - Sepulveda. 145.36 simplex. San Fernando Valley digipeat and local operator Don. 24 hour operation. 9. N6BGW - Gardena. 146.745 (out) 145.145 (in). New Mailbox, games available. Many other amateurs make their stations available for digipeat on an irregular basis. The following is a incomplete list of some stations active in the Southern California LAN. KA6AIO, Dave - Mission Viejo WA2AMB, Bill - Hermosa Beach WD6AWP, Tim - Seal Beach K6AWT, JACK - SANTA ANA N6BGW, Scott - Gardena WA5BNH, leon - san diego WA6CFM, RICH - POINT LOMA WA6CGR, Dave - Diamond Bar N6CXB, bob - glendale WA6DTH, BILL - ONTARIO N6EDE, John - La Jolla WA4EJR, JACK - LAGUNA HILLS WB5EKU, Don - Sepulveda WD6FPY, BILL - SAN DIEGO (EAST) KG6FT, JIM - COSTA MESA WB6HHV, Mike - Mira Mesa K6HMS, SKIP - NEWPORT BEACH KD6HR, Pete - Woodland Hills WB6HRD, Roland - Altadena N6JF, JIM - COSTA MESA N6JIX, Dick - Upland NK6K, Harold - North Redondo Beach N6LV, Jim - Costa Mesa W6MNO, Chuck - San Diego KD6MR, Jonathan- San Juan Capistrano WA6NVL, RAY - SAN DIEGO WA6OVY, Rich - Long Beach K6OYY, JIM - SANTA BARBARA WA6OZJ, JIM - PALOS VERDES NG6P, Roger - Glendale KB6QH, BOB - SAN DIEGO WB6RDV, Jay - Goleta KB6RY, Hal - Santa Ana K6RYA, Howard- LA MESA W6SE, JOHN - ENCINITAS KD6SQ, John - Cucamonga W6SS, VANCE - SAN DIEGO N6TE, Harry - La Jolla WA2TMP, Al - Santa Ana, CA AA6TN, TERRY - COSTA MESA WB6UUT, Lynn - Laguna Beach WB6YMH, Skip - Palos Verdes WB6YPL, Bob - Anaheim If you have any corrections, additions or comments, please send them to Skip WB6YMH via the WB6UUT mailbox, WB6YMH-2 host, Prnet.dh, or my RCP/M at (213) 541-2503. ------------------------------------------------------ (Message 566) (Read) next notice - Message-id: 941 Date: Thursday 22-Aug-85 23:43:36 Sender: Oliver Laumann TU Berlin Receiver: Packet-Radio Lines: 43 Subject: Packet radio in the US. -------------------------------------------------------------------- Message-id: 399 Status: Marked Date: Thursday 22-Aug-85 16:57:31 Sender: Carsten Bormann TU Berlin KBS Receiver: Oliver Laumann TU Berlin Received: Thursday 22-Aug-85 16:58:03 Lines: 33 Subject: UUCP Mail from cabo (Carsten Bormann) -------------------------------------------------------------------- Received: by tub.UUCP (4.12/4.7); Thu, 22 Aug 85 16:57:16 -0200 Date: Thu, 22 Aug 85 16:57:16 -0200 From: Carsten Bormann Message-Id: <8508221457.AA11503@tub.UUCP> To: net /***** tub:net.dcom / petrus!karn / 12:42 am Aug 19, 1985*/ So far as I'm aware, the only organization doing anything with terrestrial packet radio besides the amateur radio community is the US Department of Defense. (To me, "packet radio" doesn't include one-way data broadcasting on FM broadcast subcarriers, nor does it include hooking up a modem to your cellular phone.) The DoD has spent a considerable amount of effort in developing packet radio for mobile tactical communications, and at least some of their work has been published (see the November 1978 Proceedings of the IEEE, p. 1468.) As you might expect, IP/TCP are the standard network and transport layers in DoD packet radio networks. The characteristics of a mobile packet radio network, with its constantly changing topology and frequent node failures, (due either to a station driving into a radio "hole" or getting blown to bits by The Enemy) was one of the basic reasons the Internet Protocol is based on datagrams. The refusal of any of the commercial standards organizations to consider datagram protocols is what prompted the DoD to develop their own. DoD packet radio makes heavy use of spread spectrum, as you might imagine. Not only does this make transmissions harder to jam or intercept, but it also alleviates multipath effects common in mobile environments. See the IEEE article for more details. Phil /* ---------- */ ------------------------------------------------------ (Message 399) ------------------------------------------------------ (Message 941) You have seen all 4 messages in Packet-Radio. (Get) help - st pack (Get) status (of) Packet-Radio Name: Packet-Radio Owner: Karl-Heinz Pape DESY Hamburg Type: Public forum Time created: Monday 3-Jun-85 11:14:21 Last present: Today 12-Apr-86 18:20:05 Entries: 4 Last present Member (O: Owner +: Organizer) 28-Aug-85 14:22:39 O Karl-Heinz Pape DESY Hamburg 22-Aug-85 23:41:14 Oliver Laumann TU Berlin 23-Aug-85 9:14:53 Ingo Engelhardt ICL.EI Luxembourg 18-Sep-85 4:35:47 Anders Andersson Uppsala University 24-Aug-85 17:23:43 Stefan Koehler TU Berlin KBS 24-Aug-85 15:19:16 Thomas Braun TUB 1-Sep-85 14:03:39 Peter Neufang Findling/FAPIA 24-Aug-85 10:57:30 Raimon Hennecke GeoNet 26-Aug-85 11:07:09 Juergen Buntrock TUB 24-Aug-85 23:44:29 Carsten Bormann TU Berlin KBS 29-Aug-85 17:14:18 Another Test User TUB 21-Sep-85 16:43:14 GERD SENDER UNI BONN 4-Oct-85 8:11:00 Thorsten Thiele Btx-Gruppe_Teles-Berlin 7-Oct-85 1:51:16 Hidemi Kuroda KDD 2-Oct-85 23:39:46 Alexander Lobodzinski TU Berlin 21-Oct-85 23:45:16 Walter Doerr Uni Aachen 22-Oct-85 11:30:25 Jens-Peter Haack TU-Berlin 17-Feb-86 14:48:51 Gerd Buntkowsky 1-Dec-85 15:55:19 Michael Tepper Actis 22-Dec-85 16:27:23 Andre Godau IDACOM 12-Jan-86 19:43:39 Reinhard Baier TUB/KBS/DIADEM 16-Feb-86 21:29:33 Harald Droste GeoNet (UK) 5-Mar-86 15:22:40 Thomas Kessler FUB FB Physik WE1A Total: 24 (Get) help - li con List (all) conferences (*: Not present O: Owner +: Organizer) Last present Entries Name (Type) 12-Apr-86 18:20:05 4 Packet-Radio 12-Apr-86 18:12:45 181 Presentation (of new) QOM users 12-Apr-86 13:46:32 713 * QOM administrators 11-Apr-86 17:31:35 4 * (Presentation of Online) Meeting Places 9-Apr-86 20:35:32 39 * Speakers' Corner 8-Apr-86 15:45:24 32 * CSS Bugs and News 7-Apr-86 14:41:17 60 * Using QOM 3-Apr-86 13:19:07 85 * Messages (to) Btx (Editor) Group 1-Apr-86 20:12:31 30 * Announcement (of new) conferences 1-Apr-86 20:12:01 12 * Jokes 14-Mar-86 12:43:28 5 * UNIX (is a registered footnote of AT&T Bell Labs) 12-Mar-86 20:46:34 4 * C lovers (and haters) 10-Mar-86 21:51:41 11 * X.25 Network Software Bug Registry 5-Mar-86 23:16:40 1 * Carsten's Archiv 4-Mar-86 11:33:44 2 * Recommended Reading 19-Feb-86 19:13:20 2 * How to become rich 9-Feb-86 15:10:09 17 * (QOM) suggestion box 8-Feb-86 3:46:52 2 * Discussions about Btx/ER 8-Feb-86 3:46:33 17 * Problems with Btx/ER 29-Jan-86 16:55:59 24 * Problems (with the) QNX Operating System 26-Jan-86 22:08:48 2 * Teletex bug registry 12-Jan-86 19:59:32 9 * Test Conference (TUB internal) 12-Jan-86 19:56:23 5 * (Discussions about) TeX and Metafont 3-Dec-85 7:55:59 0 * Electronic Conferencing Systems Implementation 1-Dec-85 15:51:43 0 * Videotex 19-Nov-85 3:10:21 11 * DIADEM Project Interna Total: 26 (Get) help - join elec Join (conference) Electronic Conferencing Systems Implementation You are not yet a member of Electronic Conferencing Systems Implementation. 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