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Query: HF
Links: 945 | Categories: 60
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Categories
- Radio Equipment > HF Vertical Antenna > Butternut HF2V
- Manufacturers > Antennas > HF
- Radio Equipment > HF Amplifiers
- Operating Modes > HF Operations
- Radio Equipment > HF Portable Antenna
- Technical Reference > HF Radios
- Radio Equipment > HF Transceivers
- Radio Equipment > HF Vertical Antenna
- Radio Equipment > HF YAGI Antennas
- Shopping and Services > Antennas > VHF Antenna
- Technical Reference > VHF Radios
- Operating Modes > VHF UHF
- Antennas > VHF UHF
- Manufacturers > Antennas > VHF UHF Microwave
- Radio Equipment > VHF-UHF Amplifiers
- Radio Equipment > VHF-UHF Handhelds
- Radio Equipment > VHF-UHF Mobile
- Technical Reference > Amplifiers > HF Amplifiers
- Technical Reference > Amplifiers > UHF Amplifiers
- Technical Reference > Amplifiers > VHF Amplifiers
- Radio Equipment > HF Amplifiers > Acom 1000
- Operating Modes > Aircraft scatter
- Radio Equipment > HF Amplifiers > Ameritron AL-811
- Software > Beacon Monitoring
- Radio Equipment > HF Portable Antenna > Buddipole
- Radio Equipment > HF Vertical Antenna > Cushcraft R8
- Radio Equipment > HF Transceivers > Elecraft K4
- Radio Equipment > HF Transceivers > Elecraft KX2
- Manufacturers > Antennas > VHF UHF Microwave > Ground Plane Antennas
- Antennas > Handhelds
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Homebrew a vertical antenna for 40 and 80 meters band based on popular HF2V model by DL7JV -
A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive -
This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner. -
A portable hf vertical antenna setup on a magnetic mount by I1UWF -
Interconnecting the YAesu FT-897 or 897D -
HF power amplifier project by YB0AH -
This page includes fatures, specifications options and photos of the ICOM IC-746 -
The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world's leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms -
Excel sheet containing technical comparisons of commercial HF portable antennas compiled by ON4SKY. Includes pictures, manufacturer, db gain, band coverage, F/B ratio, price, weight and dimensions. -
High-power 3-500 HF linear amplifier by Don Pinnock G3HVA -
Homebrew a 2m/70cm portable or mobile whip antenna for your HT or mobile radio -
Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V -
A 2-way remotely operated HF antenna switch, based on an idea supplied by G3YEU -
Summarizes a portion of the FCC rules 47 CFR 80.371(c) and 80.373(f) -
F5RDH project of a transverter, that can receive input in HF and convert output to 144 Mhz in french -
HF Weather Fax for Android decodes weather fax 120/576 charts and satellite images through the microphone of your Android phone or tablet. Just set your phone or tablet next to the speaker of your marine radio or any other shortwave receiver with sideband capability and start recording weather charts and images -
no tune SSB/CW transceiver for 1296, 2304, 5760 and 10368 MHz -
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Extended transmit for TH-F6A and other mods -
MMMonVHF maintains the data for 6m, 2m, 70cm and 23cm bands in collaboration to LA0BY. This site allow display of a beacon map and latest beacon spots. -
A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes -
FTBVR5K is a memory management program for the Yaesu VR-5000 scanning receiver. -
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Topic on eham forum on how to start building a VHF ham radio repeater. -
This antenna allow transmission and reception on all bands between 7Mhz and 28 Mhz. Similar in concept to the Miracle Whip by VK3YE -
A schematic design of the W3DZZ antenna in portugues with description of trap building -
Band-pass filters can be critical components in competitive stations. This setup may help put your station on the map. -
Revisiting the WA2EBY broadband HF amplifier -
A portable VHF home-made Yagi-Uda antenna, that is extremely easy to build and very cheap. Moreover this antenna, while dismounted is just 1 meter long, and the total weight is just 100 grams. -
New User Tips for VHF-UHF Operation by Dave Schultheis WB6KHP -
A free application that searches more than 100 web-accessible sources to locate QSL information for a callsign that you enter once -
A well documented article on a small magnetic loop antenna for the 40 meters band -
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Live space weather and propagation data, in RSS (XML) format. -
A 10 Bands mobile antenna for about the price of 2 mobile monobanders. -
Remote HF - VHF - UHF radio station using TS-2000 and remoterig devices -
VHF/UHF DX site showing latest propagation, software, radio dealers, awards, maps etc. -
Memory management program for the FT-60R/E FM handheld. -
This Windows program will identify the 18 worldwide NCDXF/IARU International Beacon Stations and display each, as they become active n just 3 minutes, you will know if a band is really open -
Based on DL6UW Yagi antenna's design-formula The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length -
The following frequencies are assigned to datacommunications in the HF bands within the UK By RSGB data communications committee information. -
A small portable antenna tuner for HF and VHF bands by ON6MU -
List of VHF UHF ham radio repeaters in italy with frequencies and locations -
A popular 2 meter antenna returns in an improved, easier to reproduce form, 2008 QST article -
Local and DX contacts from tight spaces, it works from 40 to 17 meters -
Features and specifications for Yaesu FT 857D -
General purpose RF Wideband PreAmp based on BSX-20 transistor with a frequency range 14-550 MHz -
An interesting article on building a 4 elements yagi antenna with gamma match for the 2 meter band. This article include two videos demonstrating assembling procedure by KG0ZZ -
This antenna provides continuous coverage of the 2 metre (144-148MHz) and 70cm (430-450MHz) bands and is an excellent choice for base station use. -
Automatic Picture Transmission (APT) is used by Satellites to enable a fully automated unattended reception of the transmitted pictures.