Norman Lathrop Enterprises  
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

ANTENNA SWITCH
xx   ANTENNA
xx   SWITCH

A/B antenna switchbox for F-type coaxial connectors. Est. cost: $6.
AUDIO AMATEUR 3/1988 [Aug 1988] (v.19#3) pg. 46
Added Info AUDIO AMATEUR 4/1990 [Oct 1990] (v.21#4) pg. 5
Added Info AUDIO AMATEUR 2/1991 [Apr 1991] (v.22#2) pg. 61

Electronic antenna switch automatically switches a TV antenna input to video game or computer and back. Est. cost: $30.
COMPUTERS & ELECTRONICS Nov 1982 (v.20#11) pg. 53

QSK operation. Build an all solid state antenna T/R switching unit for linear operation.
CQ. THE RADIO AMATEUR'S JOURNAL Dec 1981 (v.37#12) pg. 60

Automatic antenna disconnector. The antenna is disconnected from the transceiver whenever the transceiver power supply is turned off. Est. cost: $10.
CQ. THE RADIO AMATEUR'S JOURNAL Apr 1984 (v.40#4) pg. 44

An automatic antenna selector for the Kenwood TS-430S. Est. cost: $30. Includes tips on applying the same technique to other rigs.
CQ. THE RADIO AMATEUR'S JOURNAL Aug 1984 (v.40#8) pg. 18

An antenna selector switch with automatic grounding.
CQ. THE RADIO AMATEUR'S JOURNAL Mar 1987 (v.43#3) pg. 28

How to build your own coaxial relay.
CQ. THE RADIO AMATEUR'S JOURNAL Aug 1987 (v.43#8) pg. 20

Build a coax antenna switch for your station. Provides switching for four antennas. Est. cost: $11.
CQ. THE RADIO AMATEUR'S JOURNAL Feb 1989 (v.45#2) pg. 18

Simplified remote antenna switching uses solid-state control relays.
CQ. THE RADIO AMATEUR'S JOURNAL May 1989 (v.45#5) pg. 54

Build a low-cost remote antenna switch which eliminates the need for additional coax when installing a second antenna.
CQ. THE RADIO AMATEUR'S JOURNAL Jan 1996 (v.52#1) pg. 23

Beverage antenna users front-end saver for 160 and 80 meter rigs. This protection circuit disconnects the receive antenna during transmit, shorts the antenna input to ground, provides a keying relay for a linear amplifier, and permits QSK operation with a non-QSK amplifier.
CQ. THE RADIO AMATEUR'S JOURNAL Feb 1997 (v.53#2) pg. 32

Remote antenna switching made easy. Circuits for switching up to four antennas from a single feed line.
CQ. THE RADIO AMATEUR'S JOURNAL Oct 1997 (v.53#10) pg. 42

How to build an automatic antenna switch for ICOM transceivers. Electronic antenna switch that automatically turns on a transceiver and then selects the correct antenna.
CQ. THE RADIO AMATEUR'S JOURNAL May 1998 (v.54#5) pg. 30
Correction CQ. THE RADIO AMATEUR'S JOURNAL Jul 1998 (v.54#7) pg. 8

Some hands-on observations of the pros and cons of various coaxial antenna switches.
DX MAGAZINE Sep 1991 (v.3#9) pg. 10

Remote antenna switcher. Choose any of four antenna by flipping a switch. Only one coax-cable runs to transmitter or receiver. Est. cost: $15.
ELECTRONICS ILLUSTRATED Nov 1967 (v.10#6) pg. 66

Flexo SWL Aerial. An antenna/antenna-switching system than improves shortwave reception by adding flexibility to a single-antenna system, making it seem as if you have more than one antenna. Gives you more choices in antenna length, angle-of-signal arrival, and propagation conditions.
HANDS-ON ELECTRONICS May-Jun 1986 (v.3#3) pg. 65

Build a phasing box to operate an array of two vertical antennas.
POPULAR COMMUNICATIONS Sep 1994 (v.13#1) pg. 71

Antenna switching methods to use the same antenna for sending and receiving.
POPULAR ELECTRONICS [1] Mar 1974 (v.5#3) pg. 99

Build a remote antenna selector switch which permits selecting from among six antennas.
POPULAR ELECTRONICS [1] Jan 1979 (v.15#1) pg. 65

More diode circuits. (1) Clamping circuits for either the positive or negative portion of an AC signal. (2) Protective circuits prevent reverse-voltage damage. (3) Meter guard circuit limits maximum voltage that can reach a meter. (4) Noise generator and amplified noise generator circuit uses a Zener diode. (5) Circuit to monitor the symmetry of an AC waveform. (6) RF switching circuit, antenna switcher, and transceiver switch for connecting radio equipment to an antenna.
POPULAR ELECTRONICS [2] Jun 1996 (v.13#6) pg. 66
Correction POPULAR ELECTRONICS [2] Dec 1996 (v.13#12) pg. 6