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QZX

March 1988 Vol 6 Iss 4

QZX v6 n4

April 1988 Vol 6 Iss 5

QZX v6 n5

February 1984 Vol 2 Iss 3

QZX v2 n3

March 1984 Vol 2 Iss 4

QZX v2 n4

October 1984 Vol 2 Iss 11

QZX v2 n11

September 1992 Vol 10 Iss 10

QZX v10 n10

October 1992 Vol 10 Iss 11

QZX v10 n11

November 1992 Vol 10 Iss 12

QZX v10 n12

April 1992 Vol 10 Iss 5

QZX v10 n5

August 1992 Vol 10 Iss 9

QZX v10 n9

December 1992 Vol 11 Iss 1

QZX v11 n1

September 1993 Vol 11 Iss 10

QZX v11 n10

October 1993 Vol 11 Iss 11

QZX v11 n11

January 1993 Vol 11 Iss 2

QZX v11 n2

February 1993 Vol 11 Iss 3

QZX v11 n3

March 1993 Vol 11 Iss 4

QZX v11 n4

April 1993 Vol 11 Iss 5

QZX v11 n5

May 1993 Vol 11 Iss 6

QZX v11 n6

June 1993 Vol 11 Iss 7

QZX v11 n7

July 1993 Vol 11 Iss 8

QZX v11 n8

August 1993 Vol 11 Iss 9

QZX v11 n9

December 1993 Vol 12 Iss 1

QZX v12 n1

January 1994 Vol 12 Iss 2

QZX v12 n2

February 1994 Vol 12 Iss 3

QZX v12 n3

April 1990 Vol 8 Iss 5

QZX v8 n5

June 1990 Vol 8 Iss 7

QZX v8 n7

July 1990 Vol 8 Iss 8

QZX v8 n8

August 1991 Vol 9 Iss 9

QZX v9 n9

Title Description Computers
(1000) 232 = 2050 Converting the TS 2050 to work as a RTTY modem.
A Simple Morse Decoder for the QL Program to decode morse off the network port. Sinclair QL
A Z80 machine language program to use the ZX81 as an audio frequency counter Sinclair ZX81, Timex/Sinclair 1000
Bits and Bytes Resetting the joystick port on the TS 2068 with a SOUND command. Machine language routine for TS 1000 to clear just the bottom of the screen. Programming hints for the 1000 and QL. Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068
Bits and Bytes Differences in pull-up resistors between Z80 and Z80A/Z80B. Spectrum software may run on 2068. Bug in 2068 gives invalid value for INT(-65536). Monitor tips for QL. Sinclair QL, Timex/Sinclair 2068
Butterworth Filter Design This program for the Timex-Sinclair 1000 computer was written for completely automated design of Butterworth low-pass, high-pass, band-pass or band-stop filters. Modern solid-state transmitters are more prone to harmonic and parasitic frequency radiation, and therefore it is desirable for the radio amateur to have access to modern filter design in order to comply with present Timex/Sinclair 1000
Phased Vertical Antennas A Sinclair BASIC program to print radiation pattern plots for phased vertical antenna arrays. Timex/Sinclair 1000
Publisher's Notes Quantum Computing going out of business; American QLs being sold in England.
Publisher's Notes
QL Antenna Program Calculates antenna size for specific frequencies. Sinclair QL
QZX Friends Notes about renewals. Bill Jones is starting a T/S 2068 magazine.
QZX Friends User gets 2068 working on packet radio. Timex/Sinclair 2068
Telecommunications on the QL Short program to send CTRL-C, discussion of British ham radio software. Sinclair QL
The Future of QZX Postal rates going up, subscribers decreasing.
The T/S 1000 on Packet Discusses converting the TS 2050 modem to an RS-242 port for use with ZTX80 terminal program (from Fred Nachbaur) to do packet radio. Timex/Sinclair 1000
Publisher: QZX

QZX was a newsletter for people with a combined interest in amateur radio and the Sinclair—Timex computers. Hams would have regular “meetings” on-air. For example, one group met Wednesday nights at 10 p.m. EST on the 20 meter band, at about 14.345 MHz.

Peak publication of QZX was 300 copies per issue in the early 1980s. By 1987, circulation was at 100 copies per issue.

QZX was published by Alex Burr.

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