improving hf speaker aud

VHF Magnetic Loop - VHF magnetic loop atenna by ON1DHT

RoverLog - Free VHF/UHF/Microwave contest logging software for rovers and non-rovers - Runs under Linux, Windows, etc.

Sporadic E research Challenge F8SH - Challenge for the promotion of VHF contacts via Spor. E - from 1 may to 30th of September 2001

The G4TMV HF Beacons Website Priority listing - Contains lists of HF, 6 Metre & 4 Metre beacon addresses, plus lots of beacon related links.

Amateur Radio in the Arab World - Hams in Algeria, Bahrain, Egypt, Jordan, Kuwait, Lebanon, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Tunisia, UAE, Yemen

Low Land DX-pedition Team - Contains stories, pictures, audio files of all previous expeditions and current ones.

Radio H.F. Catalogue - General and shortwave radio newsletter

ON7VZ Daniel - Site dedicated to 6 meter and VHF

VK2QF 6m sound archive - Real audio sounds clips

VK6RO's DX Sounds Page - Clips of DX audio, some dating back to the late 70's to early 80's and up to March 2001

Pravacy Speaker PMR446 - We are a leading developer and manufacturer PMR446 in Korea. Our new developed PMR446 model no. IFR-100 has new function like as private speaker it allow not to speak out from the radio and only you can hear the communication by using a private talk mode.

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.

Spectral - High End isopole VHF & UHF antennas for Amateur, Commercial and Military applications.

PC-Controlled 2m Receiver - This VHF receiver(118-173MHz) is fully controlled by PC(LPT port).Receiver presents a complete dual conversion.

Digital Monitoring Site - Digital signale transmitted in HF-UHF-VHF, in italian

Repeaters in Ecuador - Frequency, location and coverage of repeaters in Ecuador.

Sstvdx Net - Portail Radio Sstv info dx news French and English Version

N5KDA Gary - Ham Radio, Meteor Scatter,Backscatter Meteors, WSJT, JT65B, weak signal,Vhf Ham Radio, VHF two meter meteor skeds, dx, cw and EME

Interval Signals Library - Collection of audio clips of foreign radio stations, with identification announcements in various languages, signature tunes and jingles, and of course interval signals

Freeze! DXing Arctic Style - AM DXing taken to the extreme. Reports and station logs from DXpeditions to Arctic Northern Finland. Also articles, QSL news, links, audio and video on AM DXing. Published by Finnish DXer Mika M§kel§inen.

AirNav Selcal Decoder - AirNav Selcal Decoder enables you to decode in realtime Aviation HF Selcal transmissions. It only needs an HF airband receiver and your Sound Card. No special hardware needed. With AirNav Selcal Decoder you do not need any other hardware decoding system. Just your PC and the Sound Card.

Ariel 30 - HF wire antenna design program by WB4ZYA for DOS

RecAll - AudioCapture recorder software for Windows, Runs in the background, and starts recording when sound is detected from the microphone input.

WINRLC - Simple freeware tool to calculate several kinds of HF filters. Use to calculate L-C and R-C band filters and bandpasses, L-C, L-R and R-C highpasses and lowpasses, coils and capacitors.

How modify a CB linear to use in HF band  ^pop - how to modify a Cb linear amplifier to use in HAm HF band