[time-nuts] HP 53132A ROM issue

I recently acquired an older HP 53132A frequency counter offeBay.  It did not come equipped with  an option oscillator. The standaloneperformance of the existing oscillator is extraordinarily poor although thecounter works well running off my house standard. I decided to update theversion 3703 m

[time-nuts] Efratom MFS-209 conversion information.

I just received an Efratom MFS-209 GPSDO that I purchased onEbay. Everything appears to work. The only manual that I found online is forthe MGPS controller. The MFS family apparently came in many different  flavors allowing the customer to mix andmatch the components that best suited their needs