[Milsurplus] Milsurplus Digest, Vol 258, Issue 50 TBY

[Mike Christie]

 RayThat was good video! I enjoy going through the procedures of loading & tuning a transmitter being able to see what tubes are doing via the plate current on the meter. Fun stuff!Mike W1ZFB
    On Friday, October 17, 2025 at 12:05:12 PM EDT, milsurplus-request at mailman.qth.net <milsurplus-request at mailman.qth.net> wrote:   

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Today's Topics:

  1. Ebay TBY now TBW (Ray Fantini)


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Message: 1
Date: Fri, 17 Oct 2025 15:12:56 +0000
From: Ray Fantini <RAFANTINI at salisbury.edu>
To: howard holden <holden7471 at msn.com>, Charlie L.
    <mjcal79 at gmail.com>,    "milsurplus at mailman.qth.net"
    <milsurplus at mailman.qth.net>
Subject: [Milsurplus] Ebay TBY now TBW
Message-ID:
    <DM8P220MB0472C9E7AAFF842CAA0E7B79B8F6A at DM8P220MB0472.NAMP220.PROD.OUTLOOK.COM>
    
Content-Type: text/plain; charset="us-ascii"

I built up and ran a TBW for some time, sold it off a long time ago. Fun transmitter. The 803 output tube was almost indestructible! Did a video of it back in the old SD analog days at :

https://www.youtube.com/watch?v=sd4gPNGNYRU

The GO and the TBW always appeared to me to be a light weight version of the shipboard TDE transmitter. Don't know if that's the case or not. For a long time wanted a TDE or TCK for playing around with AM but now days all I can think of is how much that stuff weighs.

Ray F/KA3EKH

From: howard holden <holden7471 at msn.com>
Sent: Thursday, October 16, 2025 11:53 PM
To: Charlie L. <mjcal79 at gmail.com>; milsurplus at mailman.qth.net; Ray Fantini <RAFANTINI at salisbury.edu>
Subject: Re: [Milsurplus] Ebay TBY





Yes there was a TBZ, it's a VHF transmitter paired up with an RBZ receiver. We had one at the USS Ling SS-297. FWIW the TBW, (had one of those too at the Ling) has suppressor grid modulated phone. It also uses the suppressor modulator to generate the tone for MCW. The GO-9 does not have phone, and it uses the 800Hz 120VAC to modulate the tone for MCW. That's what GO-9s ran on in the aircraft. I know, I own one and use it constantly mainly on 40M. In mine the PS is configured for 60Hz.

73, Howie WB2AWQ
________________________________
From: milsurplus-bounces at mailman.qth.net<mailto:milsurplus-bounces at mailman.qth.net> <milsurplus-bounces at mailman.qth.net<mailto:milsurplus-bounces at mailman.qth.net>> on behalf of Ray Fantini via Milsurplus <milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net>>
Sent: Thursday, October 16, 2025 11:05 AM
To: Charlie L. <mjcal79 at gmail.com<mailto:mjcal79 at gmail.com>>; milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net> <milsurplus at mailman.qth.net<mailto:milsurplus at mailman.qth.net>>
Subject: Re: [Milsurplus] Ebay TBY


The PBY Catalina used a GO-9 transmitter, the ground version of the GO-9 transmitter was the TBW. The TBX also fits in there somewhere as being a primitive and troublesome radio to operate, at least in military context because I have owned and operated them before and love that radio and then there is the TBY.  Looks all related to me! Wonder if there was a TBZ?


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End of Milsurplus Digest, Vol 258, Issue 50
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