[Milsurplus] Higgins PT Boat Whip Antenna?

[WA5CAB at cs.com]

Actually, it is an MP-48, which was pre-War until maybe early 1942.  The 
later and much more common MP-48-A is similar and functionally interchangable 
but the only parts that interchange are the nut and washers that are used to 
attach the mast base to a hull or mounting bracket.  The most obvious 
difference is the binding post on the top forging beside where the mast sections 
screw in.  The MP-48-A had a tapped hole for screw and ring lug.  In either 
case, the internal W-128 run was used and the terminal or screw and lug were 
not used with MF and HF sets.

Also, you can only free stand 15' of mast sections.  More than that 
requires a guy set which would not be practical on a PT boat.

In a message dated 12/17/2012 14:24:26 PM Central Standard Time, 
Paul.Thekan at cpii.com writes: 
> It's a MP 48A antenna mast base. Normally used on vehicles. Doubt 
> seriously it was used on a PT boat or any Naval vessel for that fact ...but then 
> never say never 
> 
> Paul
> N6FEG
> 
> P.S  Sometime ago this subject on what antenna mount was used on the PT 
> boats came up and if my failing memory serves me a pic of one was sent. 
> Hopefully the person who sent it is still with us.
> 
> -----Original Message-----
> From: milsurplus-bounces at mailman.qth.net 
> [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Nick England
> Sent: Monday, December 17, 2012 11:31 AM
> To: Military Surplus Mail List
> Subject: [Milsurplus] Higgins PT Boat Whip Antenna?
> 
> Hi Gang - can anyone help?
> I've posted his photo of the PT-659 whip antenna base at
> http://www.navy-radio.com/ant/ant-pt-whip.JPG
> 
> ---------- Forwarded message ----------
> From: Robert Stengl <robert.stengl at nationalww2museum.org>
> Date: Mon, Dec 17, 2012 at 1:25 PM
> Subject: Higgins PT Boat Whip Antenna
> To: "nick at navy-radio.com" <nick at navy-radio.com>
> 
> Hello,
> I'm restoring a PT boat from WWII and request assistance regarding a
> whip antenna.
> 
> I have a picture of the whip antenna base from PT-659 that we
> cannibalized for the PT-305 which is an earlier model.
> 
> Premex is the only antenna maker I know of and just looked at the base
> we have from the 659 (IMG_0615) and it has identifying marks; the
> copyright symbol followed by "LAPP".  So I think there was a company
> known as LAPP Engineering &Co. The Higgins boat builder drawing have
> no reference to either.
> 
> Do you know which whip antenna we should be looking for?
> 
> I also am seeking a SO radar set and IFF for this project.  Do you
> have any suggestions on where I may look?
> 
> Any information is appreciated.
> 
> Robert Stengl
> Boat Builder
> PT-305 Restoration Project
> National WWII Museum
> 945 Magazine St.
> New Orleans, La  70130
> 504-528-1944 Ext 375
> 

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