[AMRadio] RCA BTA-5T Transmitter


david knepper collinsradio at adelphia.net
Mon Apr 16 10:01:38 EDT 2007


Jim, I would think that this transmitter ran more than 5 KW

Dave, W3ST/W3CRA
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
and 14.253 Mhz every Saturday at 12 Noon EDST
Collins Chatroom - Daily at 4 PM EDST on 7.208  Mhz
----- Original Message ----- 
From: "James M. Walker" <chejmw at acsu.buffalo.edu>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Monday, April 16, 2007 7:23 AM
Subject: Re: [AMRadio] RCA BTA-5T Transmitter


> Howdy,
> I don't know the BTA-5T, but Brad KB7FQR has the BTA-5F, and I have
> posted pictures of his setup at 
> http://eshop1.chem.buffalo.edu/KB7FQR-Page.html
>
> WARNING ***** Large Picture files ***** Dail-up folks may not want to 
> view!
> FWIW
>
> Jim
> WB2FCN
>
>
> ----- Original Message ----- 
> From: "david knepper" <collinsradio at adelphia.net>
> To: "Discussion of AM Radio in the Amateur Service" 
> <amradio at mailman.qth.net>
> Sent: Sunday, April 15, 2007 6:51 AM
> Subject: Re: [AMRadio] RCA BTA-5T Transmitter
>
>
>>I apologize for sending this message to the entire list.
>>
>> Dave, W3ST/W3CRA
>> Publisher of the Collins Journal
>> Secretary to the Collins Radio Association
>> www.collinsra.com - the CRA Website
>> Now with PayPal
>> CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
>> and 14.253 Mhz every Saturday at 12 Noon EDST
>> Collins Chatroom - Daily at 4 PM EDST on 7.208  Mhz
>> ----- Original Message ----- 
>> From: "david knepper" <collinsradio at adelphia.net>
>> To: "Discussion of AM Radio in the Amateur Service" 
>> <amradio at mailman.qth.net>
>> Sent: Sunday, April 15, 2007 6:46 AM
>> Subject: Re: [AMRadio] RCA BTA-5T Transmitter
>>
>>
>>> Bob, did you get some pictures taken so I can see this transmitter 
>>> before coming down to York?
>>>
>>> If you recall, I live near Johnstown, PA
>>>
>>> Thank you
>>>
>>> Dave, W3ST/W3CRA
>>> Publisher of the Collins Journal
>>> Secretary to the Collins Radio Association
>>> www.collinsra.com - the CRA Website
>>> Now with PayPal
>>> CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
>>> and 14.253 Mhz every Saturday at 12 Noon EDST
>>> Collins Chatroom - Daily at 4 PM EDST on 7.208  Mhz
>>> ----- Original Message ----- 
>>> From: "Robert A. Poff" <wb3awj at comcast.net>
>>> To: "Discussion of AM Radio in the Amateur Service" 
>>> <amradio at mailman.qth.net>
>>> Sent: Thursday, April 05, 2007 11:16 PM
>>> Subject: [AMRadio] RCA BTA-5T Transmitter
>>>
>>>
>>>> Many months ago I posted on the list that I had an RCA BTA-5T to get 
>>>> rid of.
>>>>
>>>> A few people responded, but after a crashed drive, I've lost names, 
>>>> etc.
>>>> So here we go again..
>>>>
>>>> I have to get rid of our good old BTA-5T.
>>>> It's absolutely free, BUT you have to remove it from the building.
>>>> And I've now been presented with a May 1st deadline.
>>>>
>>>> The 5T is a 5KW/1KW switchable rig with 3 phase power.
>>>>
>>>> The rig is in operating condition, currently tuned to 910 kc.
>>>> Until recently, I've run it for an hour every few months or so.
>>>> There is a single 5762 in the PA.
>>>> This one has been modified with 3CX2500 modulators (by WD8DAS of this 
>>>> list
>>>> when he was C.E. here)
>>>>
>>>> I found a link to this information sheet on the National Radio Club 
>>>> site
>>>> http://www.nrcdxas.org/articles/bta5t/
>>>>
>>>> If you're interested, contact me via email.
>>>> Or if you're REALLY interested call me at 717-515-0607
>>>>
>>>> It would break my heart to get to the point of cutting the old girl up.
>>>> I grew up listening to it.
>>>> Won't someone give it a good home?
>>>>
>>>>
>>>>
>>>> Robert A. Poff
>>>> Chief Engineer
>>>> WSBA/WARM-FM/WSOX/WGLD
>>>> Cumulus Media Partners
>>>> York, PA
>>>>
>>>> Email : wb3awj at comcast.net
>>>> Office : (717) 764-1155
>>>> Direct : (717) 478-4005
>>>> Fax     : (717) 252-5847
>>>>
>>>> S/V "Loon"
>>>> 1983 Hunter 34
>>>> Havre de Grace, MD
>>>>
>>>> "Lieutenant, target the offending power boat, and launch photon 
>>>> torpedoes"
>>>>
>>>> ----- Original Message ----- 
>>>> From: "david knepper" <collinsradio at adelphia.net>
>>>> To: <amradio at mailman.qth.net>
>>>> Sent: Thursday, April 05, 2007 7:57 PM
>>>> Subject: [AMRadio] Antenna current
>>>>
>>>>
>>>>> I just built a Zepp antenna with tuned feeders:  length of antenna is 
>>>>> 247
>>>>> feet with 45 feet of feedline using 5 inch spreaders.
>>>>>
>>>>> Why am I getting more antenna current in one lead than the other?  I
>>>>> inserted an RF meter in each feedline before the antenna tuner.  I 
>>>>> believe
>>>>> that the current was about 1.5 and 1.7 R.F. ampere respectively at 
>>>>> 3.870
>>>>> Mhz.
>>>>>
>>>>> Thank you
>>>>>
>>>>> Dave, W3ST/W3CRA
>>>>> Publisher of the Collins Journal
>>>>> Secretary to the Collins Radio Association
>>>>> www.collinsra.com - the CRA Website
>>>>> Now with PayPal
>>>>> CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
>>>>> and 14.253 Mhz every Saturday at 12 Noon EDST
>>>>> Collins Chatroom - Daily at 4 PM EDST on 7.208  Mhz
>>>>>
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>
>
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