OEM Communications

OEM Communications

Pima County Office of Emergency Management

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      • 24 Hours in the Old Pueblo – 2017
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    • Miscellaneous Photos

Mesh Networking Links

  • What is a HAM Mesh Network – A Primer
  • Antenna Basics pdf-icon
  • Parabolic Dish Antenna Theory pdf-icon
  • Offset Dish Antenna Theory || Offset Dish Antenna Specs pdf-icon
  • Patch Antenna Design pdf-icon
  • BroadBand-Hamnet
  • Wasatch Meshers
  • Taylorsville Hamnet
  • Heart O’ Texas Mesh
  • Multipath and Diversity Mode pdf-icon
  • Link Path Profiler
  • Amateur Radio IP Networks
  • AE5CA
Click the caption below image to see larger view
Mesh Block Diagram
Mesh Block Diagram
Linksys Mesh Equipment
Linksys Mesh Equipment
Ubiquiti Mesh Equipment
Ubiquiti Mesh Equipment

  • HF Net Roll Call Roster:

    HF_Net_2025_Q4_Rev_2 pdf-icon
    HF_Net_2025_Q4_Rev_2 IconExcel

    VHF Net Roll Call Roster:
    VHF Net List 2025-Q4 pdf-icon

    Hospital Roll Call Roster:

    2025 Sep thru Dec Hospital Roll Call pdf-icon
    2025 Sep thru Dec Hospital Roll Call xls-icon

  • Hot Links

    • > Upcoming Classes
    • > Navy Electricity and Electronics Training    Series
    • > Document Archives
      • > OEM Comm SOP Ideas pdf-icon
      • > OEM Comm Frequency List FINAL August 2020 pdf-icon
      • > TM-D710A Programming File - 06/2020
      • > TM-D710G Programming File - 06/2020
    • > Southern AZ Ham Service
    • > OEM Comm Frequency Chart
    • > RST/CRC Field Day
    • > Organization Chart

  • Event Support Request

    Event Support Request - Jim Fisher, PCOEM receives this form directly.

  • Training and Operating Frequencies

      Frequency Date/Time Contact
    Southern Arizona VHF Net 146.880 (PL110.9) Saturday (1:00 pm) W9GRG
    Southern Arizona Hospital Net 146.880 (PL110.9) Third Saturday following the Southern Arizona VHF Net AL7KE
    Southern Arizona HF Net 7.242 MHz (LSB)
    		 Second and Fourth Saturday (1:30 pm) WA9TKK
    Pima County NBEMS Digital 146.500 (simplex) Wednesday (7:00 pm) KD7XP
    Arizona RACES HF Net 3.990 LSB Sunday (7:30 am) K7GH

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