[time-nuts] Re: Looking for information on the Interstate Electronics LF610

[M. Simon]

Bob,
I'm working on a Quadrature Sine Wave Oscillator with AGC and Phase Control. I will publish it the experiments work out. Such a device  is essential for an Analog Costas Loop. 

Yahoo Mail: Search, Organize, Conquer 
 
  On Fri, Jul 10, 2026 at 10:38 PM, Bob kb8tq via time-nuts<time-nuts at lists.febo.com> wrote:   Hi

Unfortunately, the broadcast format for WWVB has changed over the years. The new format
typically is not compatible with the older radios. You need to build a gizmo that receives the new
format and locally generates the old format for them to operate. 

Bob

> On Jul 10, 2026, at 8:12 AM, Gavin Groce via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> Hello,
> 
> 
> I am looking for more information on the
> Interstate Electronics LF610 labeled as a "60 KC Timing Receiver."
> 
> I think it dates from the 1960s and have had mentions in the magazine at
> World Radio History.
> 
> It got leaked caps lucky nothing seems damaged.
> 
> But the real draw for me was the National Bureau of Standards property tag
> on the unit.
> 
> I also have a Datum 9100 time code generator(with an 10mhz OCXO) that has a
> front panel WWV input .
> 
> So I am trying to get that reciver working as I think the 9100 might output
> irig of some format but have not been able to sync it from a reliable
> source yet.
> 
> Gavin
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