10.7 mhz filters

G3SEK's Amateur Radio Technical Notebook - A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.

Active Antenna HF VHF UHF - An active antenna AA-7 HF/VHF/UHF, 3-3000MHz by Fred Blechman

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

902 MHz Quagi - 902 MHz Quagi Art W0BA

70 MHz beacon list - 4 meters beacons

Internet six meter news - Lots of links and news for the six meter band, 50 Mhz.

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

Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,

WIMO - All kinds of antennas, RF connectors, radio transceivers and accessories like power supplies, morse keys, lowpass filters and so on.

The Ventenna - Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.

Dunestar Systems - Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.

Davis RF - provide electronic and electrical wire, cable, RF connectors, DSP audio filters, rope, non-conductive guy cables for aerial or tower support; plus sundry aerial related parts

Timeware tech. - Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY

INRAD International Radio - Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios

Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

RMS international - RMS International, italian distributor of Alcava batteries and power supply, since 1975 manufacture power amplifiers, watt meters, antenna tuners, TVI filters and other accessories for hams and cb radio

AEA - AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products

50 Mhz Cluster - OH2AQ 50 six meters cluster

Meteor scatter basics - Working DX on a Dead 50MHz Band using Meteor Scatter, by Palle Preben-Hansen, OZ1RH

CQ VHF Magazine - CQ VHF - Ham Radio Above 50 MHz

40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components

K1TTT Technical Reference Priority listing - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.

Bearcat 210 Scanner Conversion for Weather Satellite - Modification to the Bearcat 210 scanner for reception of 137 Mhz FM is a fairly simple process.

Dave's cool projects page - GE 900 Mhz TMX/MVS/MCS To Amateur use