[RFI] Stoddart equipment available

[Chuck Gooden]

Is there a list of part numbers or model numbers for the equipment and a 
suggested price?

Chuck K9LC

On 7/24/2023 5:18 PM, Kenneth G. Gordon wrote:
> Gents:
>
> I have a large collection of older Stoddart Aircraft Radio Co., Radio Interference/Freqnency
> Intensity measurement equipment which has been in dry storage for several years. I got it
> from a previous employer. This equipment is actually  very highly engineered radio receivers
> with added accessories to enable accurate measurement of signal strength, direction to, and
> frequency of an interfereing station. The frequency range covered by the series of equipment
> covers a low of 30 Hz, to above 10,000 MHz.
>
> This stuff is the most beautifully built equipment I have seen in a long time. It is simply
> georgeous.
>
> I have some complete sets of various "Noise Meters" such as AN/URM-6 series (14 to 250
> kHz), NM-20 (some "high" VLF through 25 MHz) receivers, NM-50, NM-30, TS-587/U, very
> heavy duty tripods, stainless steel loops, both 6" diameter and 3 foot diameter loops, power
> supplies, cables, etc.
>
> I have built bias-battery sets for one, for an NM-20 and have used it very successfully to track
> RFI. The NM-20 has a BFO and variable selectivity so it can be used as a normal receiver.
>
> With the help of two of our sons, I have recently completed an inventory of the equipment,
> with photos.
>
> I would like to sell as much of this gear as possible. The main trouble is that very few people
> recognize the equipment, for what it is, nor its purpose. Those who have tried to sell this type
> of gear on eBay seldom find buyers who are familiar with it.
>
> I am thinking that there must be some sort of forum dedicated to such gear. but have so far
> found none.
>
> Any help out there?
>
> Ken W7EKB
>
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