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Author Topic: Need help identifying antenna rotator  (Read 950 times)
KF4UYO
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Posts: 3


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« on: October 12, 2009, 08:29:13 AM »

I recently bought a tower that came with an antenna rotator on it.

I could use some help identifying it (mfgr/model) to possibly get another control box and wire it up.

Pictures can be found here
http://picasaweb.google.com/kf4uyo/AntennaRotator

It looks like there might have been a sticker on the bottom at one time - but not anymore.

Thanks for any assistance,

Chris
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AB4ZT
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Posts: 179




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« Reply #1 on: October 12, 2009, 08:52:24 AM »

Looks like a Hy-Gain Ham IV.

73,

Richard
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WB2WIK
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Posts: 20665




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« Reply #2 on: October 12, 2009, 09:29:44 AM »

For certain, it's a CDE/Hy-Gain HAM-series rotator, and looks very old.  Probably older than a HAM-IV (current model), more likely a HAM-M, HAM-II or HAM-III, all of which go back a long time.

Normally the model number is "stamped into" the very bottom of the rotator (not ink, but actually stamped into the metal, with a stamping tool so it will be there forever).  Look carefully on the bottom (same surface as the 8-screw terminal strip) to see if you can find it.  

WB2WIK/6
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KF4UYO
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« Reply #3 on: October 12, 2009, 04:36:49 PM »

Thanks for all the replies!

I am on the right track now.

Stamped in the housing is  "5 638"
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K0XU
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Posts: 294




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« Reply #4 on: October 13, 2009, 09:51:52 PM »

According to Norm's Rotor page "5 638" would be a Ham M or Ham 2, made in the 38th week of 1976. All parts are still available. Norm's or  Rotor-doc can help you there.

Jim
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KF4UYO
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« Reply #5 on: October 14, 2009, 05:15:45 AM »

That is fantastic. More importantly you gave me a couple valuable resources - teach a man to fish and all that!

http://www.normsrotorservice.com/serv3%20identify.htm


Thanks heaps
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KR6N
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Posts: 44




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« Reply #6 on: October 21, 2009, 10:17:19 AM »

Could be Aliance HD-73
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W1NK
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« Reply #7 on: October 21, 2009, 07:24:14 PM »

Nope that is *not* and HD73.
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W0ZP
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Posts: 3




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« Reply #8 on: October 25, 2009, 07:26:37 PM »

rotor looks like a CDE 44 also known as a tr-44
 I once had one, it will turn a modestly size
 3 element beam such as my old mosley ta33
 CDE was Cornell-Doubler Electronics i think.

  The ham 4 rotor looks similar to this rotor also.
  if it has a 8 wire connector it may be the ham 4.
  I think the tr 44 also has a 8 wire connection
  but the bell housing and guts arent as heavy as
  the ham 4 I dont have info but think mfj still
  makes the ham 4 rotor and may be a way to backtrack
  and get manual info for your rotor,
  Wayne W0ZP
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N9MXY
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Posts: 240




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« Reply #9 on: October 26, 2009, 04:47:08 PM »

It's a HAM of some sort, the CDE-44 does not have a brake, the bell just ends it doesn't have that section that is the same circumference for about 2" before the mounting plate. I for one think the HAM M or II was a better rotor than the II and IV so if you've got one of those you've got a good one IMHO
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