[ARC5] NDB useful range ?

Mark K3MSB mark.k3msb at gmail.com
Sat Feb 20 10:44:05 EST 2021


Hi Bill

I'm also an NDB Hunter.   This weekend is the NDB group's listening event
and I decided to use my RBA-1.   Having a blast.

Last year I used my stock (with nary a capacitor replaced......) BC-453 and
was delighted to log over 60 NDBs in a weekend's time.

73 Mark K3MSB

On Sat, Feb 20, 2021 at 10:36 AM William Cromwell <wrcromwell at gmail.com>
wrote:

> Hi Hue,
>
> There are some interesting replies to this that include aircraft
> experience. Some of us hunt for and log NDB stations from our home or
> portable stations. I have logged some low power (~25 watts) NDBs in the
> favored direction of my antenna (northeast) out to 1500 miles and a very
> low powered 630 meter ham transmitter due south at 1200 miles. My antenna
> could be mounted on a large aircraft  and would look like a matchstick on a
> railroad boxcar! I probably have a much better ground connection:)
>
> 73,
>
> Bill  KU8H
> On 2/20/21 1:52 AM, Hubert Miller wrote:
>
> How far can an aircraft in the air be from an NDB and the signal is still
> useful for homing?
>
> Reason for my particular question: was reading a little tonite in
> "Survivors of Stalingrad",
>
> Reinhold Busch, 2012. This is a collection of short accounts by German
> veterans of Stalingrad.
>
> Good winter bedtime reading, if your taste goes to grim Brothers Grimm or
> other scary
>
> stories. Anyway, on what was the last flight into Stalingrad, the pilot
> says he used a radio
>
> beacon to point the way. I was a little surprised the Germans were able to
> set up a radio
>
> beacon at emergency, extemporized airfield Gumrak. So I am wondering how
> far these
>
> LF beacons are usable. I realize transmitter power varies; I would assume
> this one was low
>
> powered.
>
> thanks-   Hue Miller
>
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