Slow scan televison is a way of sending video over a voice bandwidth channel--this can make it practical to send video over thousands of miles via ionospheric propagation.  Modern computers make this once rare and expensive mode readily available to the average ham. Other ways to work with images over radio are discussed on the Image Modes page.

• FAX480 and SSTV Interfaces and Software
  QST July 1998, pp. 32-36
  With free software and about $15 in parts you can operate FAX and SSTV.
• TV on 10
  QST April 2001, pp. 68-71
  Swap pictures on 10 meters around the world.
• A New Standard for Amateur Radio Analog Facsimile 
  QST Feb 1993, pp.31-36
  Experience high-quality fax on HF, VHF and UHF! Here's an exciting, simple and inexpensive approach to fax - for ALL!
• Slow-Scan TV - It Isn't Expensive Anymore!
  QST Jan 1993, pp. 20-30
  Ham stations equipped with an IBM PC-compatible computer now have another use for it - SSTV! (A hardware solution)
• Getting Started with Slow Scan Television
  QST September 1997, pp. 53-56
  Who says hams should be heard and not seen? (A software solution)

• MM Hamsoft Amateur Radio Freeware SSTV using your sound card.  Be careful about what you download.  You want the MMSTV113A.exe program (2018)
  
• The SAW-Scan Television program
  from DL4SAW
  The GSHPC SSTV-program, also known as "SAW-SCAN", allows to send and receive color images with a high color resolution. However, the program only requires a very simple interface circuit and offers very good picture quality.