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antenna coupler question
On Sat, 10 Jun 2006 14:48:42 -0500, "RB"
wrote: The Eagle ELC-1 and Lowrance LC-1 loran antenna coupler modules each have a 4 pin plug at the end of the long pigtail cable. Their pinout for the 4 pin plug is: 1 ground 2 XMIT 3 12vdc+ 4 recv Ground I understand. 12vdc+ I understand. RECV I understand. What I don't understand is XMIT. What function does this wire play ? What would be transmitted from a loran set? I can't find any evidence of these products on Lowrance's or Eagle's web sites... I wonder if these are in fact Loran-C receivers rather than just antenna couplers (like the GPS antenna/receiver modules)? If they were just antenna couplers, I would expect them to just have a coax cable, not a multi-conductor cable. If they are receiver/antenna modules, then I'd expect NMEA-0183 data from either pin 2 or 4 ("receive" and "transmit" can be confusing at times...) when 12 volt power is applied between pins 3 and 1. The navigation computer in the display unit could send configuration data to the receiver ("use chain 5990X and Y" type of commands), while the LC-1 outputs current position, speed and direction of travel. It may be worthwhile contacting Lowrance or Eagle directly to see if anyone there can find anything on these units. -- Peter Bennett, VE7CEI peterbb4 (at) interchange.ubc.ca new newsgroup users info : http://vancouver-webpages.com/nnq GPS and NMEA info: http://vancouver-webpages.com/peter Vancouver Power Squadron: http://vancouver.powersquadron.ca |
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