image transmission

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Beacon Transmission Schedule - This table gives the minute and second within each hour of the start of the first transmission of each of beacon on each frequency

rec.radio.amateur.space - Amateur radio transmissions through space

Octavia - Printable high resolution Amateur Radio Maps

Kantronics - Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.

WAZ Map - CQ DX Zones Gif Map

Morse Code Teaching Machine - morse code machine to learn cw transmission

Aurora current status - Current image of earth's aurora

Mt. Wilson Observatory - Magnetogram, Dopplergram Intensitygram by Mt. Wilson 150-Foot Tower Data Images

Today Space Weater - Presented by the Space Environment Center with plots and images updated daily.

Kanzelh¸he H-alpha Images - H-alpha images taken at Kanzelhoehe Solar Observatory Austria

Catania Solar Images - Daily Solar images taken in Catania Astrophysical Observatory Italy

USA weather Image - GIF Image showing USA weather Map

Latest Satellite Pictures - Visible images and loops, infra-Red images and loops, water vapor images

Amateur Weather Satellite Imaging - Images and Radio Shack composition

Barrys Clip Art - Collection of radio clip art images

Lux-Log - Ham logging software capable of handling up to 30,000+ log-books using one database and one image copy, and many more features by Norbert Oberweis - LX1NO / KM6RY

HamComm 3.1  ^pop - DOS Freeware popular program for ham radio communications, supports reception and transmission of radio teletype RTTY, AMTOR ARQ/FEC, SITOR A/B, NAVTEX and Morse code (CW) signals. A decoder for SHIP and SYNOP reports from weather stations is also included. This program is discontinued and unsupported. Originally developped by Schroeder DL5YEC

Radio Propagation & Diffraction Calculator  ^pop - This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a receiver.

BTL Blaster TeLetype - High performance RTTY reception and transmission software, need a Sound Blaster compatible sound card.

WIM - General purpose image display and analysis program with special features for analyzing satellite images

FTV  ^pop - FTV is an MS-DOS program used to receive images from Weather Satellites and Terrestrial Facsimile Stations, text transmissions from radio telex services, Morse code, as well as Amateur Radio FAX, SSTV, RTTY and CW signals. It can also be used to transmit FAX and SSTV. No external hardware, other than a radio, is required, as all the necessary signal processing is implemented in software.

432 MHz EME PreAmplifier - 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY

9v Battery Charger - Improved 9.6V compact fast charger project by AD5X

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY