Opacity Forecasts

Last updated: Sat, Sep 27, 02:00:00 UT Model: NAM

Larry Morgan and Ronald J Maddalena (retired)
Green Bank Observatory, Green Bank, WV

The forecasts are:

• Zenith Opacity vs. Frequency calculated for 2025 Sep 27 02:00 UT
• Zenith Opacity at 2 GHz
• Zenith Opacity at 4 GHz
• Zenith Opacity at 6 GHz
• Zenith Opacity at 8 GHz
• Zenith Opacity at 10 GHz
• Zenith Opacity at 12 GHz
• Zenith Opacity at 14 GHz
• Zenith Opacity at 16 GHz
• Zenith Opacity at 18 GHz
• Zenith Opacity at 20 GHz
• Zenith Opacity at 22 GHz
• Zenith Opacity at 24 GHz
• Zenith Opacity at 27 GHz
• Zenith Opacity at 30 GHz
• Zenith Opacity at 33 GHz
• Zenith Opacity at 36 GHz
• Zenith Opacity at 39 GHz
• Zenith Opacity at 42 GHz
• Zenith Opacity at 45 GHz
• Zenith Opacity at 48 GHz
• Zenith Opacity at 68 GHz
• Zenith Opacity at 74 GHz
• Zenith Opacity at 80 GHz
• Zenith Opacity at 86 GHz
• Zenith Opacity at 90 GHz
• Zenith Opacity at 92 GHz
• Zenith Opacity at 98 GHz
• Zenith Opacity at 104 GHz
• Zenith Opacity at 110 GHz
• Zenith Opacity at 116 GHz