30 - 88 mhz

MAGLoop Antenna  ^pop - Magnetic loop antenna for 10-30 MHZ, 3.5-10 MHZ, description, construction details, homemade.

Crossed-Wire HF Antenna - This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH

RockLoop Antenna  ^pop - A Compact antenna for 10.1, 14 & 21 Mhz Bands. A multiband portable antenna suitable for QRP operations.

Portable Loop Antenna  ^pop - This loop it is small and light enough to carry while operating, it disassembles into small but rugged pieces that fit easily in a backpack or gym bag, and it can be tuned from 14 MHz to 30 MHz. This tunable magnetic loop antenna is my contribution to the well established art of amateur loop making. Can be tuned from 14 MHz to 30 MHz.

4X44 elements 2300 Mhz Loop Antenna - F6BON antenna 4x44 loop array in french

CB SSTV - Last sstv images recived on 27.700 Mhz 11m by 30 PE Elias

WD8KAF Live Repeater Stream - This repeater is broadcast from Coldwater, MI on a frequency of 147.300 MHz. Owned and maintained by the Branch County Amateur Radio Clu

Microwave Email list - Message list about 903 Mhz. and above bands. Use various VHF reflectors for the 432 and lower bands. Most traffic will be about 2304 and above.

PA3ANG Online Receivers - Control an ICOM PCR-100 and listen to the audio stream. This web controlled receiver si based in the Netherlands by PA3ANG and offer 10kHz - 1300MHz in AM, FM, FMW

DaveMade  ^pop - 25-30 MHz base and mobile amplifiers

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

WL1030 Wideband Magnetic Loop - Wideband receiving loop for VLF LF HF 10 kHz - 30 MHz

ZCG Scalar - Designers and manufacturers of radio Frequency antennas. HF - 3000 MHz TET Emtron HF Yagis, Antennas for Wireless applications, Marine antennas, Land mobile, Mobile antennas.

N1NTE Repeater and IRLP Node 8180 - N1NTE 147.390 MHz Repeater and IRLP Node 8180 on 146.430 MHz in Central Massachusetts

FT-950 mod - expand TX - Yaesu FT-950 MARS/CAP extend transmission to 1.8-30Mhz and 50-54Mhz.

UK Radio Frequency Bands - A guide from 0 Hz to 30 MHz The main bands, all frequencies in MHz unless otherwise stated

W6ELProp - Predicts ionospheric (sky-wave) propagation between any two locations on the earth on frequencies between 3 and 30 MHz

AREight - This is the most advanced scanner software for the AR8200 and the AR8600. It can effect any type of scan, can scan from 1KHz to 3000MHz in one time. The AREight is a software for help you to listen signals from around the globe on the shortwave bands

SRL QuickSilver QS1R VERB - The QS1R VERB is the most advanced open source digital down conversion (DDC) receiver board on the market. It features a Linear Technologies LTC2208 16 bit, 130 MSPS Analog Digital Converter (ADC) and an Altera EP3C16 Cyclone III FPGA. Connectivity to the PC is through a high speed USB 2.0 interface. QS1R covers 15 kHz through 55 MHz in its standard configuration and can be used in undersampling applications to 300+ MHz.

1.5 to 30 Mhz RF Amplifier  ^pop - This high range amplifier is very small [SB200 size] Vacuum variable input and output caps as well input and output switching.

HA8ET Technical & Homebrew pages  ^pop Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links

No tune SSB/CW transceivers - no tune SSB/CW transceiver for 1296, 2304, 5760 and 10368 MHz

430MHz ATV transmitter - ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.

MGF1302  GaAsFET - Published in Radioamater - CQ YU and CQ ZRS magazines, MGF1302 144 MHz and MGF1302 432 MHz

Homebrew radio receiver  ^pop - Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.