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rfi_home

RFI home.

06apr06

Monitoring
Measurements
Info

Monitoring

**Rfi monitoring at AO**
Hilltop rfi monitoring daily plots, images images of last 8 days monthly plots of ism band (shows sbn interference) monthly plots of 1325 Mhz band (shows lband radars) rfihilltop: program to make spectral plots and images of hilltop data
Fractional occurrence of rfi in telescope data by month
Tv station power vs time

Measurements

All measurements (in reverse time order).

**Rfi measurements by category**
By Freq Band	327	430	800	lband	sband	cband	xband
By device	cameras	distomats		pwrmeter	tertiary	DomeAc	bldingAc Units
	az,za encoders	misc devices		12meter	antennas, probeSet	lat,long locations	satellites (gps..)
Misc	az and za dependence	Radar measurements		rcvr intermods, harmonics	site Power shutdowns	optical interference	x111 images

Info (top)

List of rfi frequencies seen at AO.	Tv Info
list of some rfi related events
fcc online table of frequency allocations (.pdf)	Cell phone info
NTIA freq Alloc chart (3Khz to 300Ghz, 2011) (.pdf)	FM band info
NTIA Office of Spectrum Management.	AO coordination zone (fcc)
ElectronicCodeOfFederalRegulations:title 47:telecommunications	Pr RadioAstronomy facility zoning
FCC actions that impact radio astronomy	FCC tx licenses for AO (.pdf)
FCC codes for puerto rico
Rfi removeal techniques