AO-Journal p1165 : QRP - RF Tech - p1 - Pixel Mania
Amateur Radio QRP Projects: 2011
6SN7 homebrew QRP Transmitters
Four States QRP Group
An innovative portable energy system, optimized for mobile radio in the field. How do you define ‘state-of-the-art’ in mobile radio power? QRP RANGER An
transceiver-capture-8-1
QRP Homebrew Projects
Universal QRP Amp
QRP operation - Wikipedia
Meet my new rig - a QRP CW Transceiver for the lower HF bands, built around the Arduino "open-source electronics prototyping platform". ...
Description. The ARRL HB describes an experimental 0.5W transmitter that uses a 74HC240 octal inverting buffer. One section is used as...
BITX40OUTPUT Power 5W 7MHz QSO about 130Km far.
QRP or Low Power amateur radio
KU3X, This site offers helpful hints on setting up a portable station as well as a mobile station. Videos are also included as well as some PDF's for product reviews. OCF40, OCF40Q, OCF80, OCF80Q, QRP, Ham Radio, mobile, ft897, mfj9020, mfj9040, r4020, portable, balun, portable, remote, qrp portable, delta loop, dipole, balun, magnetic loop, home brew amplifier, 3cx1000, 4-1000, kx3, elecraft, sark 110, rig expert aa-600, antenna analyzer, aa 230 zoom.
Seventy-five years ago this month, the January 1948 issue of QST showed this one-tube one-watt transmitter using a 1S4 tube. A flashlight battery supplied the filament voltage, and 30-90 volts of B+ was required. Coil data was shown for 80 meters, but the circuit could easily be used on other bands.
Проверял несколько тюнеров и решил продемонстрировать работу автоматического антенного тюнера ATU-100 mini разработанного Дэвидом N7DDC. Подключил "огрызок" ...
This is a blog about an ssb transceiver known as BITX . Bitx is an easy to built ssb transceiver for any band as it is a broadband transceiver.