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.

How to install an FM converter on a car radio.
BOYS' LIFE Mar 1980 (v.70#3) pg. 18

Subcarrier adapter circuit for FM tuners.
ELECTRONICS HOBBYISTS HANDBOOK 1990 pg. 20

Build an SCA (Subsidiary Communications Authorization) adapter to pick up background music.
ELECTRONICS ILLUSTRATED May 1971 (v.14#3) pg. 27

Build an SCA receiver to get FM music without commercials.
ELEMENTARY ELECTRONICS Nov-Dec 1970 (v.10#5) pg. 83

Sensitive SCA (subsidiary communications authorization) adapter allows you to listen to SCA broadcasts at far greater distances. Uses a new integrated circuit. Allows you to pick up those all-music transmissions.
ELEMENTARY ELECTRONICS Sep-Oct 1977 (v.17#5) pg. 87

Subcarrier adapter for FM tuners. This simple adapter circuit fits in your FM tuner and lets you tap into "hidden" FM transmissions.
HANDS-ON ELECTRONICS Jan 1989 (v.6#1) pg. 34

Discover the hidden world of FM broadcasting. FM multiplex receiver lets you tune the SCA subchannels with almost any FM-stereo tuner. Part 1.
MODERN ELECTRONICS [2] Dec 1985 (v.2#6) pg. 39
Correction MODERN ELECTRONICS [2] Mar 1986 (v.3#3) pg. 4

Discover the hidden world of FM broadcasting. FM multiplex receiver lets you tune the SCA subchannels with almost any FM-stereo tuner. Part 2. Conclusion.
MODERN ELECTRONICS [2] Jan 1986 (v.3#1) pg. 60
Correction MODERN ELECTRONICS [2] Feb 1986 (v.3#2) pg. 4
Correction MODERN ELECTRONICS [2] Mar 1986 (v.3#3) pg. 4

FM radio adapter to pick up sub-carrier channels (all music, no commercials).
POPULAR ELECTRONICS [1] Jun 1970 (v.32#6) pg. 49
Added Info POPULAR ELECTRONICS [1] Aug 1970 (v.33#2) pg. 8

Build an SCA subcarrier for FM reception.
POPULAR ELECTRONICS [1] Dec 1970 (v.33#6) pg. 53
Added Info POPULAR ELECTRONICS [1] Apr 1971 (v.34#4) pg. 87

Squelch circuit to remove background noise from SCA broadcasts.
POPULAR ELECTRONICS [1] Mar 1971 (v.34#3) pg. 84

SCA adapter to pickup background music and news broadcasts. Est. cost: $12.
POPULAR ELECTRONICS [1] Oct 1974 (v.6#4) pg. 43

Experimenting with phase-locked loops. Circuits include an ultrasonic switch, tunable filter, touch switch, and SCA decoder.
POPULAR ELECTRONICS [1] Oct 1975 (v.8#4) pg. 47
Correction POPULAR ELECTRONICS [1] Dec 1975 (v.8#6) pg. 6

Build an SCA (subsidiary communications authorization) adapter and hear the "hidden" broadcasts on the FM band.
POPULAR ELECTRONICS [2] Jun 1994 (v.11#6) pg. 44
Correction POPULAR ELECTRONICS [2] Aug 1994 (v.11#8) pg. 4

How to install an FM converter on your AM car radio.
POPULAR MECHANICS Nov 1979 (v.152#5) pg. 48

Solid-state SCA decoder circuit for use with an old tube-type FM receiver.
RADIO-ELECTRONICS Jun 1987 (v.58#6) pg. 12

SCA/FM-Stereo receiver. Tune into the hidden signals on your FM dial with this SCA (subsidiary communications authorization) receiver. Part 1. The circuit design.
RADIO-ELECTRONICS Aug 1987 (v.58#8) pg. 39
Correction RADIO-ELECTRONICS Oct 1987 (v.58#10) pg. 15

SCA/FM-Stereo receiver. Part 2. How to build the circuit.
RADIO-ELECTRONICS Sep 1987 (v.58#9) pg. 46, 69
Correction RADIO-ELECTRONICS Nov 1987 (v.58#11) pg. 10

Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law.