[Milsurplus] ARC-4

[kgordon2006]

My understanding of the ARC-4 is that it was originally a Western Electric-designed commercial rig before WWII and was then picked up and used by the military before any subsequent better rigs were designed and put in service.And I agree with you: 10 uV sensitivity isn't all that bad for a rig with no RF amp.Although I have never yet had an opportunity to use one, I suspect it has unnecessarily bad "publicity" associated with it by some inexperienced hams.I would respect K4CHE's ideas on this matter, and would like to hear what he has to say about it.Ken W7EKBSent via the Samsung Galaxy S21 5G, an AT&T 5G smartphone
-------- Original message --------From: Jim Whartenby via Milsurplus <milsurplus at mailman.qth.net> Date: 7/20/25  11:12  (GMT-08:00) To: milsurplus <milsurplus at mailman.qth.net> Subject: Re: [Milsurplus] ARC-4 10uV input for 50mW audio output doesn't seem all that bad for a receiver with no RF amplification.  Was this a civilian aviation VHF transceiver drafted into the military early in WW2?  I seem to remember that the ARC-4 was in service before either the ARC-1 or ARC-3, but you know how memory can confuse things!JimLogic: Method used to arrive at the wrong conclusion, with confidence.  Murphy
        
        
        
            
                
                
                        On Sunday, July 20, 2025 at 06:16:59 AM CDT, Rob Flory <farmer.rob.flory at gmail.com> wrote:
                    
                
                
                Hi,I am an ARC-4/WE 233 person in recovery.I pursued it because they were installed on USS Massachusetts, and because they work on the 2m Amateur band.I used to take mine around to shows and talk between it and my ARC-1.Read the description of the exercise K4CHE and I did, which revealed the relative  deafness of the ARC-4.  https://youtu.be/MYWgLHcVH0k?si=xjydC_IPf5AK9FmARF
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