I am fowarding this I did not catch Hector's friend's email... :) Kevin KF7MYK
From: w...@charter.net To: summit...@live.com CC: c...@enet.cu Subject: RE: [amsat-bb] Re: Request for help with satellite capable old rig ECHO 70 by KLM Date: Fri, 20 Jul 2012 23:52:19 -0400 Try to forward this to him: http://6mt.com/echo70.zip Not sure again if it has the schematic but there is something there. From: Kevin Deane [mailto:summit...@live.com] Sent: Friday, July 20, 2012 2:58 PM To: w...@charter.net Subject: FW: [amsat-bb] Re: Request for help with satellite capable old rig ECHO 70 by KLM I was trying to get him the schematics/manual maybe you can help. Kevin KF7MYK > Date: Fri, 20 Jul 2012 10:14:16 -0400 > From: c...@enet.cu > To: amsat-bb@amsat.org > Subject: [amsat-bb] Re: Request for help with satellite capable old rig ECHO > 70 by KLM > > Dear amigos : > I am new to this list. My very good friend CO6CBF Hector asked me to make > a comeback into the ham satellites world. > I found an ECHO 70 KLM transceiver that was in bad shape, but that could > be repaired. Now it is receiving , but on transmit the power is only 1 > Watt. > The receive sensitivity is not great, but enough for Hector to make a two > way contact with it... Hector has a very good 70 cms band antenna system > that really helped. > The 70 cms signal level at the input of the first of two output filters is > 10 Watts, measured with professional test instruments, but after the > filters there is only 1 Watt. > I suggested to Hector that he blew hot air over the ceramic trimmers > of the two filters in order to remove humidity ... > It worked on one of the filters... now there is good power output > on the 435 megaHertz segment , but 432 megaHertz is still at the > low power output level. > FYI, we are not authorized to operate on the 432 megaHertz segment > used by the Oscar 7 AO7 ancient satellite... but do have permission > to operate on the 435 megaHertz segment that other satellites use. > Any information about the ECHO 70 KLM transceiver that can be found > will be most useful, as once the rig is in good working conditions it > will be used frequently from my EL83td grid square location in downtown > Havana, and possibly by mini dx satellite expeditions to other nearby > grid squares too. > If the files that contain the information about the ECHO 70 KLM rig > are large, please send them to: > arnaldo.coro at gmail dot com > > Thanks in advance for your help and hope to make many new friends > in my return to the amateur satellites world after many years > of absence * I am from the days of Oscar 7, RS 10 and RS 12 and > RS 15 * !!!! > > 73 and DX > Arnie Coro > CO2KK > _______________________________________________ > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
