800 MHz spectrum survey - April 13, 2004

The following is from the GBT spectrometer, two 200 MHz bands covering 650-850 MHz and 750-950 MHz. The two bands are plotted together on the same plot. The plot shows data from project code TRCO800_041404, scan number 7, 300 seconds duration. The J2000 position RA=06:22:00 and DEC=+14:58:00 was tracked (approx azimuth=130, elevation=64).

800 MHz spectrum survey - February 24, 2004

The whole spectrum from 650 to 950 MHz, showing the most prominent spikes at 740-745 MHz and ~895 MHz.
The vertical scale is expanded to show the weaker features.
The feature near 741 MHz.