[Milsurplus] [ARC5] FS: RBB, RBC, and Power Supply

[Nick England]

Info about the change from VLF CW to FSK RTTY is at
https://www.navy-radio.com/xmtr-vlf.htm

Nick England K4NYW
Chapel Hill NC
www.navy-radio.com

On Tue, Jul 28, 2026 at 2:04 AM Hubert Miller via Milsurplus <
milsurplus at mailman.qth.net> wrote:

> In US shipboard receivers, the RAL was the only HF receiver to use
> regenerative circuit. ( I was going to say, “only receiver” but i recalled
> there was a bunch of VLF receivers, RBA, RAK, and other civilian
> models…none of these were superhet. )
>
> The RAL is a cream puff compared to the heavy metal RBB, RBC and RBA
> receivers. It works pretty well though. Due to the numbers of other things
> i have already, i cannot own one, though; just too big.
>
>
>
> Around 6 decades ago i was inspired by a QST article, “An NAA Receiver”,
> to build one,  which used a single triode on the VLF band. NPG/NLK and all
> the others were strictly CW then and it was superb CW practice, altho it
> was coded and no way to check your work. I don’t know when they all went to
> narrow shift RTTY; if anyone knows, please tell me. It was sometime in 1963
> – 1980. I actually had a QSL from NPM Hawaii and i sure wish i had not
> thrown it out. Thanks to L. G. Rawlins, Lt., for signing the QSL.  Thanks
> also to NPG/NLK   ( NPG, Jim Creek, WA keyed by NLK SF CA ) for teaching me
> the Morse for “/”, which i would have no reason to learn otherwise.  I
> think now with the proliferation of sinewave slicing devices out there,
> urban
>
> VLF reception is out.
>
> A slight digression.
>
> -Hue Miller
>
>
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