Topband: WSPR and topband

[Richard Karlquist]

Does anyone know how the NCDXF beacons on 20 thru 10 meters in a dozen
plus countries are legal? 

Also, how did you arrive at 1836.6 kHz?  Why not say 1.990 MHz to avoid
QRM.

---
Rick Karlquist
N6RK 

On 2023-04-26 09:22, TreeN6TR wrote:

> So - it has been brought to my attention that unattended beacons below 10
> meter are not allowed (although I guess that would not apply to VLF?).
> 
> More specifically:
> 
> A beacon
> <https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=40d9be5829ebfd04d54c322e5e44c122&term_occur=999&term_src=Title:47:Chapter:I:Subchapter:D:Part:97:Subpart:C:97.203>
> may
> be automatically controlled while it is transmitting on the 28.20-28.30
> MHz, 50.06-50.08 MHz, 144.275-144.300 MHz, 222.05-222.06 MHz or
> 432.300-432.400 MHz segments, or on the 33 cm and shorter wavelength bands.
> 
> Therefore - this beacon will only be operated when it is "attended".
> 
> Perhaps someone can define exactly what that means in the case of a WSPR
> signal (or even FT8).
> 
> Tree
> 
> On Wed, Apr 26, 2023 at 8:30 AM TreeN6TR <treen6tr at gmail.com> wrote:
> 
>> Hi All -
>> 
>> I have recently purchased a WSPR transmitter that I will be putting on 160
>> meters soon.  It will be running 200 mw (at least for now) and be connected
>> to my TX antenna most of the time.
>> 
>> I know many of you are more experienced at using this "mode" than I am -
>> but wanted to help raise awareness of the benefits of having WSPR beacons
>> out there (hope that isn't a non-PC word to associate with them).
>> 
>> There is a database of reception reports that can be accessed to see what
>> openings are created.
>> 
>> I know a lot of people rely on FT8 for this purpose, but this unattended
>> method of monitoring conditions has value as well.
>> 
>> Look for K7RAT coming soon to 1836.6 kHz on the even minutes.
>> 
>> 73 Tree N6TR
>> _________________
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