| Metasites
LPAM.info
A comprehensive
source of technical and practical information and advice on how to engage
in low power AM broadcasting.
Medium
Wave Alliance
An AM broadcaster's heaven, plans
and schematics galore for both homebrew and pre-built transmitters and
antennas.
The
Free Radio Network's Workshop
A motherlode of info, check
the left-hand column for details - Courtesy of FRN
Radio
and Transmitter Electronics Group
Yahoo! Group established by active European pirates hoping to share knowledge
and schematics with allies around the world.
Radio
Morningstar Schematics Page
Most are in Dutch, but there's tons here, for many bands.
The
AM Window
All things AM: while the focus is on its use in amateur radio communications,
much of the theory (and some of the technology) can be modified for application
on the AM broadcast bands.
Site
of Lloyd Butler VK5BR
Lots of helpful plans and tips to be found here, especially for the AM/SW
enthusiast.
K3XF
Project Page
Homebrew works in progress that, with a bit of tweaking, may be applied to AM
and/or shortwave broadcasting purposes. De
HF site van Rob007
Lots of Dutch schematics here (click "Schemas") for a wide range of
RF applications.
Transmitters
The
"Li'l 7" AM Transmitter
Complete instructions/schematics for a very low-power AM transmitter,
buildable for under $50.
"7" Watt
AM Transmitter Prototype
Kyle Drake designed this circuitry using easily-accessible components.
Micro
Hobby
Plans for an air chain terminating with a 10-watt AM transmitter; in Spanish.
Simple
AM Transmitter
Before you begin the real thing, practice building this
simple AM 'bug.'
Antennas
EH
Antenna
Could
it be: a small yet efficient antenna for AM broadcasting? See this page
and the link to more substantive data (marked "library")
LowFER
Transmitting Antennas
Very detailed, explains how to get the most out of an AM antenna:
geared toward the Part 15 broadcaster but also useful for LPAM
The
DXZone: Antenna[s] for 160 meters
Many of these antennas will work for LPAM broadcasters, after a bit of re-scaling
adjustment for the desired frequency |