CW only: 144.0-144.1 MHz (mandated by FCC Part 97)
		CW/SSB
		Satellite (mostly downlink); CW, SSB, FM voice & digital modes
		FM simplex
		Simplex internet links
		Repeater inputs
		Repeater outputs
		Repeater inputs & outputs interleaved
		D-Star repeater inputs
		D-Star repeater outputs
		Digital (AFSK)

So just WHERE can I operate simplex???

This is a question that has stumped even the most seasoned FM operator for many years.  Now, finally you have the answer in this summary of area recognized simplex frequencies:

144.31 to 144.375, unchannelized
144.405 to 144.475, unchannelized
144.49 (International Space Station uplink: transmit here & listen to 145.80 for the downlink)
145.51
145.525
145.54
145.555
145.57
145.585
145.60
145.615
145.71 to 145.785 in 15 kHz steps (for fixed simplex base station use, i.e. IRLP, Echolink)
146.43 (ATV simplex only)
146.52 (national simplex)
146.535
146.55
146.565 (local ARDF freq.; usable when there is no "T hunt" in progress)
146.58
146.595
147.48
147.51
147.525

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