[AMRadio] TBW 800 Hz Power Supply


AirRadio AirRadio at dsl.pipex.com
Thu Jan 3 18:40:22 EST 2008


Jeremy, I regularly run an ART-13 on air, if you want any info or need any 
help I will be willing to advise.  73 Max M0GHQ


----- Original Message ----- 
From: "jeremy-ca" <km1h at jeremy.mv.com>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Thursday, January 03, 2008 6:23 PM
Subject: Re: [AMRadio] TBW 800 Hz Power Supply


>
> ----- Original Message ----- 
> From: <doxemf at aol.com>
> To: <amradio at mailman.qth.net>
> Sent: Thursday, January 03, 2008 12:26 PM
> Subject: Re: [AMRadio] TBW 800 Hz Power Supply
>
>
>> Carl,
>>
>> Sounds good to me!
>> Nice score! Always wanted an ART-13 myself. They are right up there with 
>> the R-390 as works of mechanical engineering and sound good on the air 
>> when converted.
>
>
> So Ive been told. Its hard to imagine but in 51 years as a ham Ive never 
> seen an ART-13 in operation. If this is a virgin Im not sure what approach 
> to take.
>
>
>
>>  If the original Mil aluminum transit containers are not included your 
>> shipping cost should be reasonable.
>
>
> They werent mentioned.
>
>
> The cases for each of the CAY
>> units, there are three in the complete set, weigh almost as much as the 
>> transmitters and power supply themselves. But they would not need any 
>> packing, just shipping stickers.
>>
>>  A missing output ? coil could be bothersome since the only coils in the 
>> HF unit are the roller inductors. In the LF unit there is a very large 
>> bee hive looking variometer that would be impossible to replace but if 
>> you need that I could let you have the one from mine. I never plan to get 
>> the LF unit operational since there are too many small parts, tube 
>> sockets, resistor mounts, etc missing but the variometer is intact.
>
>
> Thanks. Ive some thoughts about getting on 500 Kc with the next round of 
> FCC approvals.
>
>
>>   If a roller ind. is missing from the HF unit it  can be replaced with 
>> one that is currently available. Maybe not as nice as the original but 
>> will still work fine. It's a normal linear pitch wound ceramic as in most 
>> tuners.
>
>
> Ive a few here that can handle the power.
>
>
>
>>   Another part that could be a problem to replace is the special 
>> antenna/transmit multicontact relay that would need to be replaced with a 
>> couple relays to have all the functions needed.
>>
>>  I will take a shot at scanning the schematic and put it up on my website 
>> for you to look over. It's a very simple transmitter actually.
>
>
> The schematic will be a big help, what Ive found on line so far is mighty 
> poor.
>
>
>>
>> Nashua is not really much of a drive for me.
>>
>> Hope to catch you on the air at 75mtrs AM some afternoon. Still need to 
>> do work on the dipole but not till the snow is off the roof.
>
>
> All I have up at the moment for the Viking I is a 75M sloper off a tower. 
> My other antennas are still all wired into the regular station in the 
> basement. All this snow caught me unprepared.
>
> Carl
> KM1H
>
>
>
>>
>> 73,
>> Bill, KB3DKS
>>
>> -----Original Message-----
>> From: jeremy-ca <km1h at jeremy.mv.com>
>> To: Discussion of AM Radio in the Amateur Service 
>> <amradio at mailman.qth.net>
>> Sent: Thu, 3 Jan 2008 8:23 am
>> Subject: Re: [AMRadio] TBW 800 Hz Power Supply
>>
>> Thanks for responding Bill.
>>
>> Youre more than welcome to the PS for what it will cost me to ship from 
>> CA
>> on my UPS business account; it should be quite reasonable. Im in Southern 
>> NH
>> near Nashua.
>>
>> Im getting both TBW TX and an ART-13A that have been in dry storage for 
>> 40+
>> years; all supposedly unmodified. However one CAY unit is said to have an
>> "output coil" missing. The person Im dealing with is a non ham and 
>> cleaning
>> out a bunch of stuff for his elderly brother so communications is spotty 
>> at
>> best. I may very well be bugging you for help.
>>
>> Carl
>> KM1H
>>
>>
>>
>>
>>
>>
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