- Simple Antennas for 10 Meters
- Some antenna ideas for 10 meters band
[ Hits: 45029 | Votes: 30 | Rating: 4.56 ]
- Rotatable Dipoles
- Portable, and shortened with loading coils rotatable dipoles for 6 meters, 20 meters and multibands.
[ Hits: 36164 | Votes: 16 | Rating: 6.32 ]
- Receiving antenna for low bands
- K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[ Hits: 18587 | Votes: 9 | Rating: 8.33 ]
- Semi-vertical trap antenna
- The G3NGD Semi-vertical Trap Antenna for 1,8 3,5 and 7MHz
[ Hits: 29017 | Votes: 30 | Rating: 7.20 ]
- Short Dipole for 80 Meters
- May be of interest to anyone wishing to get on 80M (3.5MHz) that have limited space available.
[ Hits: 50922 | Votes: 32 | Rating: 5.94 ]
- Reflected W Beam
- Hexagonal Wire Beams for 40-10m from DL7IO,
different mono/multiband designs with building descriptions and model files for EZNEC
[ Hits: 14874 | Votes: 9 | Rating: 7.00 ]
- RockLoop Antenna
- A Compact antenna for 10, 14 & 21 MHz Bands. A multiband portable and indoor antenna suitable for QRP operations based on an original idea by W9SCH that described this small loop in Sprat 60.
[ Hits: 33907 | Votes: 17 | Rating: 7.11 ]
- Shunt feed a hustler mobile HF Antenna
- 40 and 20 meters mobile antenna
[ Hits: 18771 | Votes: 14 | Rating: 6.43 ]
- Rotatable delta loop
- W2UP rotatable low band receiving delta loop
[ Hits: 16610 | Votes: 4 | Rating: 8.00 ]
- Satellite Antenna Tips
- Tips that may be of help with the most important part of an amateur radio satellite station, the antenna systems.
[ Hits: 18722 | Votes: 11 | Rating: 6.08 ]
- Satellite tracking antenna
- A rugged motorized satellite antenna tracking system for construction by the home handyman
[ Hits: 31761 | Votes: 16 | Rating: 6.49 ]
- Roofspace Antennas
- How to build a roofspace antennas and get them to work. Explains how to build an effective antenna in your roof. Very interesting if you don't have possibilities to setup an antenna in your roof.
[ Hits: 45442 | Votes: 15 | Rating: 5.40 ]
- Short Vertical Antennas and Ground Systems
- This article describes how an effective ground system can be produced for a short vertical antenna.
[ Hits: 23142 | Votes: 11 | Rating: 6.08 ]
- Short Dipoles
- Short dipoles and verticals for 160 80 and 40 meters
[ Hits: 34390 | Votes: 19 | Rating: 4.43 ]
- Remote controlled receivers
- Use real audio streams to listen to Hf and VHF stations around the world via remote controlled receivers connected to the web.
[ Hits: 107189 | Votes: 264 | Rating: 4.74 ]
- Directory of emergency scanners pinpointed by location on a map of the US with direct feeds
[ Hits: 37326 | Votes: 60 | Rating: 5.32 ]
- RM Italy
- RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more
[ Hits: 42325 | Votes: 101 | Rating: 6.82 ]
- Real Time Satellite tracking
- Select your favorite satellite and watch its trajectory on Google Maps in real time! Includes ISS tracking, Weather, Geostationary, GPS Military, and of course Amateur radio satellites
[ Hits: 30097 | Votes: 102 | Rating: 5.49 ]
- San Diego's Live Police Scanner!
- Listen to police radio communications live
[ Hits: 106019 | Votes: 697 | Rating: 5.84 ]
- ROHN / Radian
- Towers, poles, antenna mounts, accessories and hardware, obstruction lighting, and installation services
[ Hits: 22253 | Votes: 15 | Rating: 6.75 ]
- Radio Pro Shop
- 11 Meter CB, 10 Meter Amateur Ham, FRS, GMRS Radios, Test Meters, Scanners, Antennas, Microphones, Power Supplies, Inverters, Accessories and Technical Reference Information.
[ Hits: 16289 | Votes: 11 | Rating: 5.18 ]
- Radio Explorer
- Graphic viewer for shortwave broadcasting and programming schedules. Supports viewing schedules in an expanding table and on a 24-hour Gantt chart using the local time and the UTC time display modes. Runs on multiple platforms.
[ Hits: 19162 | Votes: 61 | Rating: 7.86 ]
- RadioRaft decodes 10 different ARQ modes, 8 different FEC modes, Packet, Baudot, CW... It works with a Hamcomm interface or a radiomodem. RadioRaft offers automatic detection of modes, speeds and shift. It comes with a frequencymeter/baudmeter included, it has signal frequency tracking and a bit by bit display mode. Very easy to use. practical and fast.
[ Hits: 18550 | Votes: 39 | Rating: 6.03 ]
- Radio Propagation & Diffraction Calculator
- This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a receiver.
[ Hits: 22931 | Votes: 44 | Rating: 3.25 ]
- RF prop
- RF propagation software
[ Hits: 39828 | Votes: 150 | Rating: 3.60 ]
- RadioCommander 2052
- Radio control program for windows by kd5lmy
[ Hits: 33997 | Votes: 26 | Rating: 3.13 ]
- SigJenny turns your PC into a flexible and powerful audio signal generator for free.
It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!
[ Hits: 16609 | Votes: 16 | Rating: 6.31 ]
- A software defined radio by Alberto I2PHD
[ Hits: 18258 | Votes: 23 | Rating: 6.91 ]
- Radio and Scanner Modifications
- Scanner and radio mods taken from qrz ham radio cd rom
[ Hits: 20308 | Votes: 38 | Rating: 6.08 ]
- Schematic Database
- Schematic database for HAM Radios and CB Radios
[ Hits: 64277 | Votes: 152 | Rating: 5.37 ]
- Radio Shack PRO, Scanner Mods
- Scanner modification by Mark A. Day N OQK
[ Hits: 22094 | Votes: 59 | Rating: 6.30 ]
- Radio Shack scanner mods
- Contains information and modifications on several of Radio Shack's scanner
[ Hits: 23494 | Votes: 198 | Rating: 6.00 ]
- Scanner mods
- Mods for radio scanners by Bill Cheek
[ Hits: 21588 | Votes: 161 | Rating: 6.37 ]