[Boatanchors] Fwd: LM-13 Frequency Meter

[howard holden]

Sent from my iPhone

Begin forwarded message:

> From: howard holden <holden7471 at msn.com>
> Date: July 23, 2014, 12:32:00 PM PDT
> To: Glen Zook <gzook at yahoo.com>
> Subject: Re: [Boatanchors] LM-13 Frequency Meter
> 
> My LM-18 does fine on 170v regulated, cool and little drift after warmup. Also someone mentioned the power connections, a female bullet connector fits nice over the pins on the LM. Available at RS, Homedepot, etc. 
> 
> Great little tool. For frequency calibration signals, measuring a freq, monitoring ones own signal or even as a low sensitivity wide band RX. I've copied local 80m CW signals with just a few feet of wire (of course that meant I was radiating a signal also!)
> 
> And even with a home-constructed calibration chart it's accurate enough for any work I would do. Once got the W1AW freq measuring test at an error of just 47Hz.
> 
> Howie WB2AWQ/7
> 
> Sent from my iPhone
> 
> On Jul 23, 2014, at 11:47 AM, "Glen Zook via Boatanchors" <boatanchors at mailman.qth.net> wrote:
> 
>> I run my LM-7 at 120 VDC and it works fine.
>> 
>> Glen, K9STH
>> 
>> 
>> Website:  http://k9sth.com
>> 
>> 
>> On Wednesday, July 23, 2014 10:59 AM, WA5CAB--- via Boatanchors <boatanchors at mailman.qth.net> wrote:
>> 
>> 
>> 
>> There is a lot of disinformation on the Internet.  The LM model numbers 
>> actually ran up to LM-21.  If the guy who posted that there were only 14 models 
>> had just read his own NAVAER, he would have known that it went up to LM-19.
>> 
>> The B-battery was 180 VDC.  So 150 VDC should work as it would represent a 
>> partially discharged but still working battery pack.  But as I wrote 
>> earlier, 300 is also OK because the units will accept up to 475.
>> 
>> Robert Downs - Houston
>> wa5cab dot com (Web Store)
>> MVPA 9480
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