1.	Echolink Node (Blue indicates a linked RF system, markers do not indicate true postion of TX's, Purple would indicate marker precisely located with Long. and Lat.)	8.	Callsign of the Echolink node control operator also showing -L or -R designator.
2.	Line denotes the path of the RF link system.	9.	Frequency of RF station
3.	Circle represents approximate coverage of the TX for mobile use.	10.	PL Tone of RF station
4.	Echolink Node (Yellow indicates node must be turned on and off. LinkUp, LinkDown commands, and marker shows precise postion of TX.) (White would indicate TX marker not precisely located)	11.	Echolink node (Green indicates a single TX and marker shows precise location)
5.	Echolink Node (Red indicates a single TX, marker does not indicate true position of TX)	12.	Highlighted line, more information is available by clicking here such as DTMF access codes and website. See sample below
6.	Popup box showing Echolink node info when you move your mouse over the marker.	13.	Date of last ammendment to page
7.	Echolink node number

Tips
1. Close the popup window for the map you are viewing before opening another map. Each map is designed to fit in a pre-sized box. Each map size varies from one to the other.
2. If popup information boxes don't seem to remain on screen for viewing when moving your mouse over a node marker, refresh the page by right clicking on map and then click refresh.
3. If you find any incorrect information, contact webmaster at n4wwc@qsl.net Please include the node number and callsign.
4. If you know of an Echolink control operator who has not yet submitted their info here, pass the word to them. Chances are they do not know these pages exist.
5. In order to be listed on the USA maps, a control operator must be an RF open node and operate at least 18 hours 7 days a week.
6. Keep in mind the information you are viewing here is not live information. Any visible node shown on these maps could be offline at any given time or no longer exist. The information presented here is only as accurate as the information submitted by each control operator or their associates.