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  ARRL & Other Official Organizations Nets  
  ARRL Section - Sacramento Valley Sacramento Valley Section Nets & Clubs  
  AMSAT - The Radio Amateur Satellite Corporation SideWinders On Two (SSB, EME, Tropo/Scatter)  
  FCC Universal Licensing System  
  ARRL Emergency Communications Amateur Radio Clubs  
  North Hills ARC, Sacramento, CA  
  How-to's & Resources Western Placer ARC, Lincoln, CA  
  PSK Reporter provides real time reception reports of Ham Radio stations on digital modes. Nevada County ARC, Grass Valley, CA  
  Understanding Antennas for Non-Technical Hams El Dorado County ARC, Placerville, CA  
  Amateur Radio High Altitude Ballooning River City ARCS, Sacramento, CA  
  Coax Attenuation Charts Courtesy W4RP North Hills ARC, Sacramento, CA  
  KB6NU's Ham Radio Blog Yuba-Sutter ARC, Yuba City, CA  
  Antenna Information Link Vaca Valley RC, Elmira, CA  
  Beginners Guide to Building 2 Meter Antennas Yolo County ARS, Davis, CA  
  eHam.net ~ ham radio on the net Amador County ARC, Pine Grove, CA  
  Amateur Radio Internet Vendor Directory (W4CUE) Samuel F. Morse ARC, Carmichael, CA  
  APRS Map Link Elk Grove Florin Amateur Radio Club, Elk Grove, CA  
    California Historical Radio Society  
  Golden Empire Amateur Radio Society, Chico, CA  
  Podcasts & Videocasts (periodicals)  
  Ham Radio 360 Ham Radio Related Software  
  The Amateur Radio News Line Winlink - Global Radio Email  
  K6UDA Radio YouTube Channel DXLabs - Freeware suite for Mac OS and Windows  
  K7AGE's Ham Radio YouTube Channel MMTTY for RTTY  
  Linux in the Ham Shack Podcast FLDigi - Ham Radio Digital Modem Application  
  ARRL Audio News WJST-X - Weak Signal Communication Software  
  ARRL News Line MMSSTV for slow scan TV  
  Solder and Smoke GNU Radio ~ The free & open software radio ecosystem  
  Radio Amateur Information Network    
  QSO Today