Travis, The Motorola Reference Manual describes the B61LPY-3100DT as a Repeater (RT) Station for the 25-50 MHz band. It is rated as 100 watts continuous duty, with Private-Line squelch and DC remote control. The service manual for the station is 6881003E65 which, unfortunately, is long out of print and not available from Motorola Parts. You may be able to locate that manual on an auction site.
Armed with the service manual, you should be able to convert that station's receiver to the 6m band by changing out some capacitors in the front end and local oscillator stages. The transmitter section will take a lot more work, but it can be done with the appropriate tools and test equipment. You might consider contacting a firm that specializes in such conversions for suggestions and cost. Repeater-Builder (the Company) is one such firm. The Sinclair R-103G duplexer is a very good unit, but it will take some serious sheet-metal work to make it perform well in the 6m band. The conversion involves shortening both the outer cylinder and the internal elements, and changing the cable harness. You might consider contacting Sinclair tech support for suggestions, at www.sinctech.com Although they are somewhere around 30 years old, such Motorola stations seem to keep running... 73, Eric Lemmon WB6FLY -----Original Message----- From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of travis8303 Sent: Sunday, December 09, 2007 8:23 PM To: [email protected] Subject: [Repeater-Builder] 6 meter repeater Identification and help Hello group, I have four Motorola repeaters in the 48-49 MHZ range. The fifth is high VHF. 1) Can anyone tell me what they are? 2) Any leads for information or people that might know how to convert the equipment for ham use? The repeater model is B61LPY 3100DT SPL (it looks like) The duplexers are model R-103G Pictures are posted on my site: hteeteep://aa9nv.r2i.net/Repeaters6M.htm <hteeteep://aa9nv.r2i.net/Repeaters6M.htm> take out the extra ee's :) Any help would be greatly appreciated. Thank you, Travis AA9NV
