Close-up of the Sgr B region at (a) 1384 MHz and (b) 2368 MHz. The 1384 MHz image has contours at: 0.2, 0.25, 0.3, 0.35, 0.4, 0.5, 0.6, 0.7, 0.8, 1.0, 1.2, and 1.4 Jybeam ⁻¹ and a resolution of 47'' × 14'' with the beam located in the lower left-hand corner. The 2368 MHz image has contours at: 0.08, 0.12, 0.2, 0.3, 0.64, 0.8, 1.0, 1.2, 1.5, and 1.8 Jybeam ⁻¹ and a resolution of 27'' × 8'' with the beam located in the lower left-hand corner. The rms noise level of the images are 10 mJybeam ⁻¹ at 1384 MHz and 5 mJybeam ⁻¹ at 2368 MHz, matching the sensitivity at 1384 MHz of similar-resolution images.