Repairing a Symmetricom X72 Rb Oscillator
The Symmetricom X72 is a very compact high quality Rb oscillator, I bought a broken one hoping the physics package wasn't broken.
Continue reading...The Symmetricom X72 is a very compact high quality Rb oscillator, I bought a broken one hoping the physics package wasn't broken.
Continue reading...The C-MAC STP 2373LF is a 2x2x1" OCXO used in e.g. the Epsilon EC2S GPS clocks. Since a number of these clocks were broken in obvious or subtle ways, I decided to reuse the OCXO's and other useful components from these.
Continue reading...The Furuno GT-88 is a GNSS timing receiver intended for precision timekeeping. These are my impressions after some testing, but before I've tried to build a full reference clock system based on it.
Continue reading...The Meinberg PZF180PEX is a fairly uncommon sight in northern Europe. It is a PCIe radio clock receiver for the German DCF77 long wave time signal, made by German company Meinberg.
Continue reading...This is a cute little clock intended for OEM precision timing, let's look at how it's built.
Continue reading...Some viewers may have noted some 7-segment clocks in the background of some pictures in prior entries. I decided to update this system for the 2020 holiday season, and built 10 new clocks to replace 3 old ones.
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I bought some more 58534A-H01 receivers and found that these receivers were of the older type I had seen low resolution pictures of before.
Continue reading...On a whim I bought some pole mount GPS receivers.
Being unable to find any real details on what's inside I mostly bought them blind, so I took some photos of the insides to help others out.
Continue reading...The Spectracom Epsilon Clock EC2S and similar devices are fairly high end GPS clocks/timing receivers.
I've spent a few days with one and I wrote a utility to program the device that is available for download.
Continue reading...I've designed a 3D printable solution for rack mounting Lucent RFTG-u receivers on cheap 2U shelves.
Continue reading...This page has some info on the MC349 VCXO, that has been available on eBay in large quantities at low cost.
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