SGP/KAZR/C1 - COPOL and XPOL channels switched

The copol and xpol channels became flipped causing xpol values to be greater than copol 
values.

Swap copol and xpol data during this time period.

• Spectral width, co-polarization(spectral_width_copol)
• Sky noise, copolar(sky_noise_copol)
• Spectral width, cross-polarization(spectral_width_xpol)
• Mean doppler velocity, copolar, dealiased(mean_doppler_velocity_copol)
• Signal-to-noise ratio, copolar(signal_to_noise_ratio_copol)
• Signal to noise ratio, cross-polarization(signal_to_noise_ratio_xpol)
• Reflectivity, cross-polar(reflectivity_xpol)
• Sky noise, cross-polarization(sky_noise_xpol)
• Reflectivity, copolar(reflectivity_copol)
• Mean doppler velocity, cross-polar(mean_doppler_velocity_xpol)

• Doppler spectrum width (second moment of the doppler spectrum)(spectral_width)
• Mean doppler velocity(mean_doppler_velocity)
• Spectra(spectra)
• Signal-to-noise ratio(signal_to_noise_ratio)
• reflectivity(reflectivity)

• Signal-to-noise ratio(signal_to_noise_ratio)
• Spectra(spectra)
• Doppler spectrum width (second moment of the doppler spectrum)(spectral_width)
• Mean doppler velocity(mean_doppler_velocity)
• reflectivity(reflectivity)

• Sky noise, cross-polarization(sky_noise_xpol)
• Sky noise, copolar(sky_noise_copol)
• Signal to noise ratio, cross-polarization(signal_to_noise_ratio_xpol)
• Hot noise, cross-polar(hot_noise_xpol)
• Radar calibration constant, copolar(cal_constant_copol)
• Reflectivity, cross-polar(reflectivity_xpol)
• Mean doppler velocity, cross-polar(mean_doppler_velocity_xpol)
• Reflectivity, copolar(reflectivity_copol)
• Spectral width, cross-polarization(spectral_width_xpol)
• Spectral width, co-polarization(spectral_width_copol)
• Cold noise, cross-polarization(cold_noise_xpol)
• Signal-to-noise ratio, copolar(signal_to_noise_ratio_copol)
• Hot noise, co-polarization(hot_noise_copol)
• Radar calibration constant, cross-polar(cal_constant_xpol)
• Cold noise, copolar(cold_noise_copol)
• Mean doppler velocity, copolar, dealiased(mean_doppler_velocity_copol)