QEX Files by File Name

File		(Issue)	Description 
222XVTR.ZIP	(7/93)	Postscript PC patterns for KC6CP's no-tune			
			222-MHz transverter
8085SYS.ZIP	(11/93-12/93) Source for N4UAU's 8085 development system
BLKBOX.ZIP	(11/95)	Firmware source for TM-741/742 module controller
			by VA3TO
COAXMOD.MCD	(8/96)	Mathcad example transmission-line calculations by
			W0IYH
DISHFD1.ZIP	(2/96)	Parabolic dish aperture efficiency program (BASIC)
			by W7PUA
HDL_ANT.ZIP	(9/94-11/94) Horn/Dish/Lens microwave antenna design			
			program (for PCs) by N1BWT
HDLANT21.ZIP	(12/95) Horn/Dish/Lens microwave antenna design			
			program (version 2.1) (for PCs) by N1BWT
KNEC.BAS	(3/96)	BASIC program to generate K values for use with
			NEC2, by W4RNL (ASCII)
JLEM.ZIP	(1/93)	Source for 2k x 8 ROM emulator from AA6FJ and NS6Z
LNX5670.ZIP	(9/94)	Postscript PCB patterns for KH6CP's 5760-MHz preamp
MAV11.PS	(9/93)	Postscript PC pattern for KH6CP's 2.3-GHz,			
			50-mW amplifier
METEO.ZIP	(9/95)	Software for capture/display of weather satellite
			images
NETRANGE.ZIP	(1/96)	Mathcad worksheets for computing range of matching
			networks.
PICCWID.ZIP	(10/95)	Firmware for PIC-based repeater CW IDer
PKTCVSD.ZIP	(8/96)	Source for packet CVSD voice on TI DSK by KB0PRP
PSATOOL1.ZIP	(11/94)	Updated SPASM21 assembler for PSA sound card DSP			
			programming from KC7WW
PSATOOLS.ZIP	(8/94)	Tools for programming PSA sound card DSP from KC7WW
PSATOR19.ZIP	(11/94)	Shareware AMTOR/PACTOR using a DSP sound card,			
			from KC7WW
PSHIFT.ZIP	(4/94)	W9CF's FORTRAN program to analyze audio phase-shift			
			network
QEX1193.ZIP	(11/93)	Postscript PC pattern for KH6CP's 2.3-GHz preamp
QEX3546.ZIP	(9/96)	Postscript PC patterns for KH6CP's 3456-MHz
			transverter.
QEXASP.ZIP	(9/96)	Source for DSP-based audio processor, KC7WW
QEXBERT.ZIP	(03/95)	9600-bit/s packet BER test software.
QEXBSF.ZIP	(11/95)	BASIC source for calculating components of 3-resonator
			BC-band reject filter, W3NQN
QEXCLF.ZIP	(1/95)	BASIC source for N6NWP's crystal-filter design			
			procedure
QEXCORR.ZIP	(2/96)	Mathcad worksheets showing correlation concepts
QEXCVSD.ZIP	(4/94)	KE3Z's CVSD board drivers and test program (source)
QEXFQ194.ZIP	(1/94)	Pascal source for PC frequency counter project
QEXGPORT.ZIP	(10/94)	PC game port A/D source code (C and QBASIC)
QEXHFM.ZIP	(11/94)	KC7WW's HF DSP modem source and demo program
QEXMODES.ZIP	(7/94)	Postscript PCB patterns for KH6CP's Mode-S			
			downconverter
QEXPAD.ZIP	(4/94)	VHF power attenuator design program from N1BWT
QEXRESP.ZIP	(2/95)	Source and executable files for DSP system			
			response measurement
QEXSNDCD.ZIP	(8/94)	KC7WW's DSP sound card programming demo
TASM.ZIP	(9/93)	Table-driver assembler for use with WEAVRDSP file
TXT2EPRM.ZIP	(2/94)	Morse ID generator programming utility
ULTVFO.ZIP	(4/96)	Source and object for DDS-based VFO (68HC11)
WEAVRDSP.ZIP	(9/93)	Source for KJ6ST's DSP Weaver SSB modulator
YTAD.ZIP	(07/95)	N6BV's Yagi Terrain Analysis program

QEX Files By Issue

Issue	File		Article
01/93	JLEM.ZIP	"2k X 8 Bit ROM Emulator," by Dave Lichtenstein, AA6FJ,			
			and John Nemec, NS6Z
07/93	222XVTR.ZIP	"RF," A No-Tune 222-MHz Transverter, by Zack Lau, KH6CP/1
09/93	MAV11.PS	"RF," A 50-mW, 13-cm Amplifier Using the MAV-11/MSA-1104			
			MMIC, by Zack Lau, KH6CP/1
09/93	TASM.ZIP	"A Weaver Method SSB Modulator Using DSP," by Carlos M.			
			Puig, KJ6ST
09/93	WEAVRDSP.ZIP	"A Weaver Method SSB Modulator Using DSP," by Carlos M.			
			Puig, KJ6ST
11/93	8085SYS.ZIP	"An 8085-Based Computer System," by Sam Ulbing, N4UAU
11/93	QEX1193.PS	"RF," Designing a High-Performance 13-cm Preamp, by			
			Zack Lau, KH6CP/1
12/93	8085SYS.ZIP	"A Programmer for 87C51 Microcontrollers," by Sam			
			Ulbing, N4UAU
01/94	QEXFQ194.ZIP	"Personal Computer Frerquency Counter," John Nemec, NS6Z
02/94	TXT2EPRM.ZIP	"The Multipurpose Morse Code Generator," by Nick			
			Ciarallo, VE2HOT
04/94	PSHIFT.ZIP	"Phase-Shift Network Analysis and Optimization," by			
			Kevin Schmidt, W9CF
04/94	QEXCVSD.ZIP	"A CVSD Codec for Your PC," by Jon Bloom, KE3Z
04/94	QEXPAD.ZIP	"Building VHF Power Attenuators," by Paul Wade, N1BWT
07/94	QEXMODES.ZIP	"RF," Mode-S Receive Converter, by Zack Lau, KH6CP/1
08/94	PSATOOLS.ZIP	"Programming a DSP Sound Card for Amateur Radio," by			
			Johan B. Forrer, KC7WW
08/94	QEXSNDCD.ZIP	"Programming a DSP Sound Card for Amateur Radio," by			
			Johan B. Forrer, KC7WW
09/94	HDL_ANT.ZIP	"Practical Microwave Antennas--Part 1," by Paul Wade,			
			N1BWT
09/94	LNX5670.ZIP	"RF," A Low-Noise PHEMPT Amplifier for 5760 MHz, by			
			Zack Lau, KH6CP/1
10/94	HDL_ANT.ZIP	"Practical Microwave Antennas--Part 2," by Paul Wade,			
			N1BWT
10/94	QEXGPORT.ZIP	"Inexpensive PC A-to-D," by Gary C. Sutcliffe, W9XT
11/94	HDL_ANT.ZIP	"Practical Microwave Antennas--Part 3," by Paul Wade,			
			N1BWT
11/94	PSATOOL1.ZIP	"An Adaptive HF DSP Modem for 100 and 200 Baud," by			
			Johan B. Forrer, KC7WW
11/94	PSATOR19.ZIP	"An Adaptive HF DSP Modem for 100 and 200 Baud," by			
			Johan B. Forrer, KC7WW
11/94	QEXHFM.ZIP	"An Adaptive HF DSP Modem for 100 and 200 Baud," by			
			Johan B. Forrer, KC7WW
01/95	QEXCLF.ZIP	"Designing and Building High-Performance Crystal Ladder			
			Filters," by Jacob Makhinson, N6NWP
02/95	QEXRESP.ZIP	"Measuring System Response with DSP," by Jon Bloom, KE3Z
03/95	QEXBERT.ZIP	"Measuring 9600-Baud Radio BER Performance," by Jon
			Bloom, KE3Z
07/95	YTAD.ZIP	"The Effect of Local Terrain on HF Launch Angles," by			
			R. Dean Straw, N6BV
09/95	METEO.ZIP	"HRPT the Easy Way," by Guido Emiliani, I4GU, et al.
10/95	PICCWID.ZIP	"A PIC Based Repeater IDer," by Gary Sutcliffe, W9XT
11/95	BLKBOX.ZIP	"Homebrewing Black-Box Style," by Hugh Duff, VA3TO
11/95	QEXBSF.ZIP	"Band-Stop Filters for Attenuating High-Level
			Broadcast-Band Signals," by Ed Wetherhold, W3NQN
12/95	HDLANT21.ZIP	"More on Parabolic Dish Antennas," by Paul Wade,			
			N1BWT (version 2.1)
01/96	NETRANGE.ZIP	"RF," Figuring Out the Range of Matching Networks,
			by Zack Lau, KH6CP/1
02/96	DISHFD1.ZIP	"Dipole-Reflector Parabolic Dish Feeds for f/D of
			0.24 to 0.4," by Bob Larkin, W7PUA
02/96	QEXCORR.ZIP	"Correlation of Sampled Signals," By Jon Bloom, KE3Z
03/96	KNEC.BAS	"Calibrating K to NEC," by L. B. Cebik, W4RNL
			(ASCII)
04/96	ULTVFO.ZIP	"The Ultimate VFO," by Don Kirk, WD8DSB
08/96	COAXMOD.MCD	"Computer Modeling of Coax Cable Circuits," by
			William E. Sabin, W0IYH
08/96	PKTCVSD.ZIP	"A Packet Voice Communication System," by Dirench
09/96	QEXASP.ZIP	"A DSP-Based Audio Signal Processor," by Johan Forrer,
			KC7WW
09/96	QEX3456.ZIP	"RF," 3456-MHz Transverter, by Zack Lau, KH6CP/1