[CW] Fwd: [Radio Officers, &c] Titanic Radio Room gear. What is known about the technical parameters and dimensions, feeder system of the Titanic

[Richard Knoppow]

     This is an extremely interesting site. Very good 
illustrations. Also, was it on this list that there was a 
discussion of a purported recording of the Titanic's SOS? This 
site may provide part of the answer because it gives the audio 
modulation frequency of the MGY signals. Wrong for the purported 
recording.
    Also interesting that the operators liked the Marconi "magie" 
better than the early tube detectors, not surprising when you 
understand how crude the tubes were.
    Thank you so much for posting this link.

On 3/11/2020 12:49 PM, D.J.J. Ring, Jr. wrote:
> Members of CW Reflector will enjoy this.
>
> 73
> DR
>
> ---------- Forwarded message ---------
> From: Jerry Proc <jerry.proc at sympatico.ca>
> Date: Wed, Mar 11, 2020 at 2:17 PM
> Subject: RE: [Radio Officers, &c] Titanic Radio Room gear. What is
> known about the technical parameters and dimensions, feeder system of
> the Titanic
> To: <radio-officers at googlegroups.com>
>
>
> Information on Titanic's antennas can be found here.
> http://www.halifax-arc.org/pdf/TitanicRadio1.pdf
>
>
> -----Original Message-----
> From: radio-officers at googlegroups.com
> [mailto:radio-officers at googlegroups.com] On Behalf Of D.J.J. Ring, Jr.
> Sent: Wednesday, March 11, 2020 1:35 PM
> To: Radio Officers Google Group
> Subject: Re: [Radio Officers, &c] Titanic Radio Room gear. What is
> known about the technical parameters and dimensions, feeder system of
> the Titanic
>
> Hello Dave,
>
> Doing some research on early aerials like Titanic used, I found that
> they were usually parallel wires but some coast stations tried
> "zig-zag" type of wires.
>
> That is wires running from the origin to the end of the flat top,
> going down a 30 cm (aprox. one foot) and then running the wire back to
> the origin, but when reaching the origin, again going down 30 cm (1
> foot) and then continuing outward again towards the end, making one
> continuous wire but zig-zagging instead of parallel wires.
>
> This was known to increase the radiation resistance.  I have a 1930
> Bern book of ships, and I believe Olympic was still listed, ships were
> given with antenna current measurements.
>
> I'll take a look.
>
> 73
>
> DR
>
> On Wed, Mar 11, 2020 at 12:37 PM g4jht <g4jht at eircom.net> wrote:
>> I have come in on this fairly late but have a couple of questions that
>> may have been asked previously.
>>
>> What is known about the aerial/antenna arrangement of the Titanic and
>> the lead-in/feeder setup?
>> Also the technical properties of it aerial(s) , capacitance and
>> radiation resistance, meter-amp rating (probably to early for that) or
>> the physical dimensions needed to take a shot at calculating electrical
>> properties.
>>
>> 73,
>>      Dave in Ireland.
>>
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL