Many AB-577 Antenna Masts are used on emergency and public service communications operations by the Loudoun Amateur Radio Group. This is dangerous work.

Use only alert and trained assistants when raising and lowering this mast.

Please Do Not Install, Operate or Disassemble This Antenna Mast
Until You Have Been Trained.

For Our Safety Please Study The Operator's Manual, TM 11-5820-538-12 (3.2 MB)

Visit The Other K4LRG.ORG Pages Linked Below To Learn More
Click Here For The AB-577 Antenna Mast Manual, TM 11-5820-538-12 (3.2 MB)
AB-577 Antenna Mast
Training 2009
Tower Work Is Dangerous
2008 FD
AB-577 Antenna Mast
Training - 2010 FD

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