Can't compare the Z3805A to the HP58503A but I have found in the archives that the Z3805A has a 16 channel GPS receiver and it is better to find the Symmetricom labeled one as it has a real double-oven OCXO. According to a 2010 time-nut message the Z3805A is almost the same as the TBolt.
On Sat, Sep 8, 2012 at 3:53 AM, Edgardo Molina <xe1...@amsat.org> wrote: > Dear Said, > > Thank you for your kind explanation. I will be considering such a purchase > in the near future. I will keep you informed about my experiences. You have > a nice evening. > > Regards, > > > > Edgardo Molina > Dirección IPTEL > > www.iptel.net.mx > > T : 55 55 55202444 > M : 04455 20501854 > > Piensa en Bits SA de CV > > > > Información anexa: > > > > > CONFIDENCIALIDAD DE INFORMACION > > Este mensaje tiene carácter confidencial. Si usted no es el destinarario > de este mensaje, le suplicamos se lo notifique al remitente mediante un > correo electrónico y que borre el presente mensaje y sus anexos de su > computadora sin retener una copia de los mismos. Queda estrictamente > prohibido copiar este mensaje o hacer usode el para cualquier propósito o > divulgar su en forma parcial o total su contenido. Gracias. > > > NON-DISCLOSURE OF INFORMATION > > This email is strictly confidential and may also be privileged. If you are > not the intended recipient please immediately advise the sender by replying > to this e-mail and then deleting the message and its attachments from your > computer without keeping a copy. It is strictly forbidden to copy it or use > it for any purpose or disclose its contents to any third party. Thank you. > > > > > > On Sep 7, 2012, at 8:14 PM, saidj...@aol.com wrote: > > > Hi Edgardo, > > > > they work well for me, look brand-new, and came with power supply, rs-232 > > cable, and antenna. I think it's a 5V antenna. The unit had about 37000 > on > > the lifetime. > > > > The seller has close up photos, that's what the units look like. I > plugged > > in the power, ran GPSCon to start an Auto-Survey, and they just worked. > > > > I now get less than 3us predicted drift over 24 hours from one of the > > units, which is quite good according to others. > > > > I think these are pretty good for the money (free shipping on mine) but > > there are differences between the three units I have just like the Z3801A > > plots on leapsecond.com. > > > > Hope that helps, > > Said > > > > > > In a message dated 9/7/2012 17:13:22 Pacific Daylight Time, > > xe1...@amsat.org writes: > > > > Dear Said, > > > > Good afternoon. How is the service and cosmetic condition of the HP GPS > > products you have bought from this source? I am considering a Z3805A > just for > > the sake of owning one and the versatility of plug and play. Still > afraid > > to take the plunge. > > > > Did you buy a raw unit? Or as a kit with antenna. Is that a 5V or 12V > > antenna? I am integrating a TBolt into a 1U rack case which also has > space for > > a Rb oscillator for future disciplining. Got a nice TBolt monitor and > > would love to also include a frequency divider to get 5 and 1MHz from > the > > TBolt. > > > > Your kind comments are welcome. Thank you. > > > > Regards, > > > > > > > > Edgardo Molina > > Dirección IPTEL > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.