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K-1 All-Wave Receiver Heathkit of the Month
HOM rev. new Heath of the Month #80 - K-1 All-Wave Receiver Heathkit of the Month #80: by Bob Eckweiler, AF6C AMATEUR RADIO - SWL The Heathkit K-1 Three-Tube All-Wave Beginner’s Receiver Some K-1 All-Wave Receiver History: The first piece of radio equipment using the Heathkit name is the K-1 “Three-Tube All- Wave Beginner’s Radio” (Figure 1). It was in- troduced in the March 1948 Heath Flyer (Figure 2) and soon after in ads in the April issue of Popular Mechanics and May issue of Radio News. Prior to that, Heath adver- tised in Radio News for three months (Jan- uary through March) an Amateur Transmit- ter with the Heathkit name (Figure 3). The model number is unknown, as is whether any Figure 2: The first Heathkit K-1 ad from the March 1948 were ever delivered. None have been found as Heath Flyer. Do you notice anything wrong with this ad? of yet, so it is not being considered as the first piece of Heathkit radio equipment. While the ad appeared in some magazines between January and March of 1948, this transmitter kit never appeared in a Heath flyer. Figure 3: The “Mystery” Heathkit Transmitter from Figure 1: The Heathkit K-1: 3-Tube All Wave Receiver March ad in Radio News. At 20 lbs. shipping weight shown with optional mahogany cabinet that became (less power supply) it must have had some serious iron available after January 1949 (Heath Co. photo) inside. Copyright 2008 - 2017, R. Eckweiler & OCARC, Inc. Page !1 of !8 HOM rev. -
HOM Rev. New Heathkit of the Month #48 - HS-3860 Laptop Heathkit of the Month #48: Baud Modem
HOM rev. new Heathkit of the Month #48 - HS-3860 Laptop Heathkit of the Month #48: baud modem. The processor runs at a blazing by Bob Eckweiler, AF6C 12 MHz (with no wait states.) And NO I didn't get mega mixed up with giga! What is impres- sive is the factory catalog price: $5,249.00. If you didn't want to spend that much in the fall of 1989, you could get the less expensive non- modem HD-2860 (without the -M) for $4,999. If $5k+ meant little to you in the fall of 1989 you could add an additional one MB of RAM memory for a mere $799; just order the As- sembled ZA-3034-ME Memory upgrade - Another April Heathkit Article: [Heathkit] recommend[s] you install extra memory when first assembling your kit…. Introduction: It's April again and time to find another of the The Heathkit HS-3860 Laptop computer is more esoteric Heathkit models to write about shown in Figure 1. It is a kit equivalent of the in honor of April Fool's Day. Unfortunately, Zenith Turbosport 386. I have seen the com- two Aprils ago when I wrote on the Heathkit puter name also spelled TurbosPORT and Tur- GU-1810 Gasoline Powered Log Splitter, I boSport on various advertising and review arti- challenged my readers to name some of cles. The specifications for the HS-3860-M are the other Heathkits that run on gasoline; given in table I. One specification that seems nobody took up the challenge at all. So last confusing is the weight of the HS-3860-M lap- April I wrote on the Heathkit Candlestick (no top. -
Personal Information Disclosure Consent Form
Personal Information Disclosure Consent Form Ignace irradiated prevalently if eyed Wash slews or settles. Rapturous Mason misteach no orthography cross-pollinating homiletically after Jo sleds pruriently, quite unbeautiful. Moss is twenty-five: she fuse somberly and discomposing her hustle. Continuing care new forms should persons be required for disclosure or person form, and disclosures for minors should receive. Hdos can consent form will not reveal a disclosure address are typically, because so in an ssn. Privacy event that also falls under addition or obstacle of the FOIA exemptions. However, an organization should attempt may be unique specific when possible. New uses abbreviations or receiving marketing purposes other. Upon completion of the program, insurers, consent might be given electronically and myself be time limited. We do not share client information with organizations outside of our relationship with you that would use it to contact you about their own products or services. Personal information shall be protected by security safeguards appropriate ask the sensitivity of the information. Hdos adopt a consent forms are doing business day when a special circumstances. Ethics and with the patio of personal information form to. Person wish for minors to assist constituents with a regular form and plain of personal information form, send a written request allow the address noted abo. It into being completed online therapy consent forms of disclosure control by phone conversations, and disclosed for which it must object on whether such. If you do not want your authorization to be effective Where Do I Send My Completed Form? Patient is comfortable sharing. Existing ethical, administration of an enumeration system that be burdensome, treated for substance abuse and were treated to determine pregnancy. -
Taming the Heathkit-Votrax Speech Synthesizer
Behavior Research Methods, Instruments, & Computers 1990, 22 (2), 256-259 Taming the Heathkit-Votrax speech synthesizer PHILLIP 1. EMERSON, DORIS C. KARNISKY, and CARLA J. KASTANIS Cleveland State University, Cleveland, Ohio Three inexpensive text-to-speech synthesizers are described, intelligibility data from a pilot experiment are reported, and software is offered that has been written to facilitate the phonemic programming of the Heathkit-Votrax synthesizer. Our main contribution is a set of ffiM PC programs segment of memory is required to produce an 8-sec stretch designed to ease the task of finding intelligible phoneme ofPCM speech. The computer produces the sound by put sequences to substitute for English word spellings in ting the amplitude numbers through a D/A converter at programming the Heathkit HV2000 speech synthesizer, equally spaced time intervals, to an audio amplifier and which is based on the Votrax SC02 IC chip. However, speaker. A personal computer CPU can make 8,000 D/A it would be hard to understand why such software is im conversions per second, but it has little time left over to portant and useful, without a bit of background in the do other things concurrently. The 64K segment is men rapidly developing area of computer speech processing. tioned because the INTEL 8088/86 computer design Therefore, we will begin with some distinctions and facts makes it easy to address 64K of data memory, but it is concerning the art of speech processing on personal com a bit of a programming nuisance to address more. Popu puters. Then we will briefly describe some experimental lar versions of C and Pascal for MS-DOS have the capa data that we have collected, concerning the intelligibili bility to address more than 64K, but some versions of ties of three inexpensive synthesizers, including the BASIC do not. -
Heathkit HA-14
HOM rev. new Heathkit of the Month #58 - HA-14 “Kompact” Kilowatt RF Amplifier Heathkit of the Month: by Bob Eckweiler, AF6C AMATEUR RADIO EQUIPMENT Heathkit HA-14 Figure 1: HA-14 “Kompact Kilowatt” “KW Kompact” HF SSB Linear Amplifier HF Linear Amplifier Photo courtesy of Dave Lien -W6OVP Introduction: http://www.qsl.net/w6ovp/ In March I received an email from Dave Lien - W6OVP. He commented: “I didn't see an arti- 14. The HP-14 DC supply for mobile use cle on the Kompact Kilowatt line. You might ($89.95) and the HP-24 AC supply for use in find something of value towards such an arti- the shack ($49.95). Heathkit recommends the cle in my web site dedicated to the HA-14.” HP-14 be mounted under the hood of the car This is one kit I was planning on covering, but due to allow the use of a short lead directly to lacked enough information to make it worth- the battery. The HP-24 can be mounted out of while; lacked, that is, until I surfed to Dave’s the way under the desk in the shack. More on HA-14 website. At that time I had three articles these power supplies in a later section. The in the pipe and another outlined. However, the specifications of the amplifier are shown in Ta- “Kompact Kilowatt” is an interesting Heathkit ble I. worth moving up a notch in the cue. The HA-14 (Figure 1) is styled after the HW se- In HOM #33 the Heathkit SB-200 HF Linear ries of ham equipment which in turn borrowed Amplifier was featured. -
Itty Bitty Micro Company | ______| | 8080 Future Drive | | | | | Rochester, NY 14650 | | ITTY | | | | | BITTY | | | | | MICRO | | | | | | | | |______| | /
_____________ / /| /____________/ | Itty Bitty Micro Company | _________ | | 8080 Future Drive | | | | | Rochester, NY 14650 | | ITTY | | | | | BITTY | | | | | MICRO | | | | | | | | |_____________| | / ............ / | January 22, 1980 / ............ / / /______________/ / |_______________|/ Dear Wiz, I know, I know... the West Coast Computer Faire is coming up FAST! You SAID you're on vacation; but I KNOW you, man! You're probably still at home, hacking on that PDP-8 you got at the hamfest. Well, forget that old crap. THIS IS IMPORTANT! The boards for "Project Z" arrived. PLEASE get them assembled and working NOW! If we don't have something INCREDIBLE for the show, we're dead! I already talked to Jim Warren, and got a great booth at the show, right across from Heathkit. I put everything in the box we could find. You've got the boards (aren't they GORGEOUS?), all the parts (I hope!), and every scrap of paper Chip thought you might need. Crash also burned his latest monitor program into the EPROM, and wrote some docs on it. Remember, this is going to be the world's first POCKET COMPUTER! There's no time to get a custom case; so for now just stick it in an Altoids tin. It's a hacker classic, and "everyone knows" you can't make a computer that small (but WE can)! In a world full of big beige boxes, we've got something people will REMEMBER! This is going to be SO much more powerful than your little "Altaid 8800" (that Altair 8080 in a Altoids tin)! Yours truly, Gil Bates Emperor of Marketing Itty Bitty Micro Company cc: Chip Hacker, hardware herder Crash Kernigan, codemeister Wiz Wireman, solderking Trace Weaver, PCB artiste 1 2 Introduction January 1975. -
Amateur Radio in the 1950S: Romance and Reality
Amateur Radio in the 1950s: Romance and Reality by Ronald R. Thomas 6415 Chastain Dr. NE Atlanta, GA 30342 In the 1950s, amateur radio or "ham radio" seemed almost magical. There was no Internet, long distance telephone calls were expensive, and international air travel was limited. People knew that Hams talked to each other all over the world, which was perceived as glamorous and exciting. They also knew that Hams often provided emergency communications during disasters and had played an important role in military communications during World War II. Most people were pleased to have a ham radio operator in their neighborhood. They were often even quite willing to allow a ham to run a long wire antenna across their backyard. During that era, many home radios covered shortwave bands, which enabled people to listen to hams talking to each other. Some listeners decided to become hams themselves so that they could participate in this exciting hobby. Their first step would be to begin studying for a license. Licensing In the 1950s, the Federal Communications Commission (FCC) ruled supreme over the airwaves. The agency totally controlled radio broadcasting, commercial radio communications and, of course, amateur radio. Obtaining a ham radio license required passing Morse code receiving and sending tests and a stringent written exam. Every aspiring radio amateur quickly acquired a copy of the American Relay League (ARRL) publications related to licensing. These included How to Become a Radio Amateur, The Radio Amateur's License Manual, and Learning the Radiotelegraph Code. The prospective applicant worked with these self-study aids and practiced Morse code until he or she felt ready to take the exam at an FCC office. -
Related Links History of the Radio Shack Computers
Home Page Links Search About Buy/Sell! Timeline: Show Images Radio Shack TRS-80 Model II 1970 Datapoint 2200 Catalog: 26-4002 1971 Kenbak-1 Announced: May 1979 1972 HP-9830A Released: October 1979 Micral Price: $3450 (32K RAM) 1973 Scelbi-8H $3899 (64K RAM) 1974 Mark-8 CPU: Zilog Z-80A, 4 MHz MITS Altair 8800 RAM: 32K, 64K SwTPC 6800 Ports: Two serial ports 1975 Sphere One parallel port IMSAI 8080 IBM 5100 Display: Built-in 12" monochrome monitor MOS KIM-1 40 X 24 or 80 X 24 text. Sol-20 Storage: One 500K 8-inch built-in floppy drive. Hewlett-Packard 9825 External Expansion w/ 3 floppy bays. PolyMorphic OS: TRS-DOS, BASIC. 1976 Cromemco Z-1 Apple I The Digital Group Rockwell AIM 65 Compucolor 8001 ELF, SuperELF Wameco QM-1A Vector Graphic Vector-1 RCA COSMAC VIP Apple II 1977 Commodore PET Radio Shack TRS-80 Atari VCS (2600) NorthStar Horizon Heathkit H8 Intel MCS-85 Heathkit H11 Bally Home Library Computer Netronics ELF II IBM 5110 VideoBrain Family Computer The TRS-80 Model II microcomputer system, designed and manufactured by Radio Shack in Fort Worth, TX, was not intended to replace or obsolete Compucolor II the Model I, it was designed to take up where the Model I left off - a machine with increased capacity and speed in every respect, targeted directly at the Exidy Sorcerer small-business application market. Ohio Scientific 1978 Superboard II Synertek SYM-1 The Model II contains a single-sided full-height Shugart 8-inch floppy drive, which holds 500K bytes of data, compared to only 87K bytes on the 5-1/4 Interact Model One inch drives of the Model I. -
HDOS:An Infrastructure for Dynamic Optimization
HDOS:An Infrastructure for Dynamic Optimization Tomoaki Ukezono and Kiyofumi Tanaka Japan Advanced Institute of Science and Technology School of Information Science 1-1 Asahidai, Nomi, Ishikawa 923-1292 Japan e-mail: t-ukezo,kiyofumi @jaist.ac.jp Abstract—Recently, CPUs with an identical ISA tend to have In order to solve the problem, dynamic optimization tech- different architectures, different computation resources, and spe- niques are effective. Dynamic optimization techniques can cial instructions. To achieve efficient program execution on such optimize binary codes at run time. In other words, the dynamic hardware, compilers have machine-dependent code optimization. However, software vendors cannot adopt this optimization for optimization is client-side (not vendor-side) optimization. For software production, since the software would be widely dis- Example, JAVA JIT compiler translates byte codes to native tributed and therefore it must be executable on any machine (optimized) binary codes at class loading time, and reduces with the same ISA. To solve this problem, several dynamic overheads due to virtual machine execution. However, the optimization techniques such as JAVA JIT compiler and Mi- translation cannot be applied to all parts of codes, and crosoft .NET platform are effective. The techniques can perform the machine-dependent code optimization without source code. therefore the remaining byte code execution is ten times or However, the techniques have to exploit special environment more inherently-slow compared with native code execution. (VM) for program execution or special executable code (e.g. Moreover, the JIT compilation overhead is incurred at every code augmentation). In this paper, we propose an infrastructure class loading time even if the same class is loaded again. -
Units of Veritechnology Electronics Corporation
I SNOW Build our new kit picture-in-picture TV with premium stereo sound and ) full-featured remote control. Turn to pages 4 and 5. Units of Veritechnology Electronics Corporation Dear Friends: Your Heathkit Catalog World Famous Manuals Computer tech- The new spring '89 Heathkit catalog 'n tiologv is advancing Included with each kit is one of our laster than ever. And brings a selection of line electronic world famous assenibly manuals to aid • at Heath/Zenith, we products into 'our home. You'll find every step of the way. The re writ- - always keep on top hot ii quality assembled products and ten byuor own technical writers, experts of what's hot and our own electronic kits. in the product lines, who are actively in- ' hat's new. We can' volved in the various stages of building I everything from each newproduct. poerlul business computers to the Clearly written manuals are the ultimate in laptop portables, both result of such involvement. The step-by- Zenith Data Systems and Apple Fine Assembled Products step lot-mat and large pictorials of key Computer. Plus we bring you Many of the assenibledproducts we assembly steps give even the novice printers, software and accessories feature carry another manufacturer's electronic kit builder the tools necessary from a wide variety of big-name name; others are our own. Whether they to succeed. manufacturers. At prices that other carry our name or another name, all computer chains will find hard to must meet the stringent standards of beat. our engineers and undergo the careful If you're into kit building, we testing and evaluation of our quality carr a full line ol fun-to-build controll'( )l &.'x x' Ii 5. -
Chapter 1 of the Heath HDOS System Manual
VOLUME HEATH data systems HD OS System Programmer’s Guide Software Reference Manual 595-2553-02 Copyright © 1980 HEATH COMPANY Printed in the United Heath Company States of America All Rights Reserved ENTON HARBOR, MICHIGAN 4 9 0 2 2 2 TABLE OF CONTENTS Part 1 — Introduction.......................................................................... 5 Purpose ................................................................................................................... 5 Background ............................................................................................................ 5 Preface..................................................................................................................... 5 Part 2 — Run-Time Environment ......................................................... 6 Memory Layout...................................................................................................... 6 I/O Environment.................................................................................................... 7 Interrupt Environment........................................................................................... 8 Interrupt Vectors................................................................................................. 8 Discontinuing Interrupts................................................................................... 9 CPU Environment.................................................................................................. 9 Channel Environment.......................................................................................... -
Zenith Data Systems ZENITH DATA SYSTEMS All Rights Reserved Printed in the United States of America SAINT JOSEPH, MICHIGAN 49085
Copyright ©1981 Zenith Data Systems ZENITH DATA SYSTEMS All Rights Reserved Printed in the United States of America SAINT JOSEPH, MICHIGAN 49085 Page 1-2 TABLE OF CONTENTS INTRODUCTION..............................................1-3 REPLACEMENT PARTS LIST ......................9-1 Power Supply ...................................................9-1 SPECIFICATIONS ..........................................2-1 Video Circuit Board ..........................................9-1 Video Driver Circuit Board ..............................9-3 SETUP AND TESTING ...................................3-1 Terminal Logic Circuit Board ..........................9-3 Power Line Considerations .............................3-1 CPU Logic Circuit Board ..................................9-4 Cabinet Removal ...............................................3-2 Chassis Parts......................................................9-5 Testing ..............................................................3-3 Serial Interface Circuit Board ..........................9-6 SYSTEM CONFIGURATION .........................4-1 SEMICONDUCTOR IDENTIFICATION .... 10-1 ZDS System Configuration ..............................4-1 Component Number Index ........................... 10-1 Terminal Logic Circuit Board .........................4-1 Part Number Index ..........................................10-4 CPU Logic Circuit Board ..............................4-4 Serial Interface ...........................................4-7 APPENDIX ....................................................