Jim,

I did post a email on this a short while ago, Gus , I thin was the only one to  respond and  subsequently lowered his operating  frequency to  fall inside the , set 502.4 usb dial  frequency in use in the  UK.

As the  European allocation looks to  be  wider than the  Uk, are we expecting the  UK 3 Khz  allocation to  remain as is, if  and when the  band is formalised ?, in which case loosing 200 hz may not be the  most sensible option ...

As by definition , if you  can transmit wspr  you  must be  able to  move transmit  frequency (noting Andy's new beacon) establishing an over lapping 100 hz section may be a reasonable  compromise ie move the  dial frequency to say  502.5  or  499.5 , leaving 100 hz in band for uk access

Graham

G0NBD.







--------------------------------------------------
From: "James Moritz" <[email protected]>
Sent: Monday, September 21, 2009 2:14 PM
To: <[email protected]>
Subject: LF: Re: US 500-kHz band plan

Dear LF Group,

I still haven't replied to Fritz Raab, W1FR, regarding the WD2XSH US band
plan which he is apparently coordinating - you may remember I posted the US
proposals, which he sent me, a couple of weeks ago, but have not received
any comments from other UK/Eu stations. I think I should reply with
something, so now is your chance... The proposal relates to the US
allocation extending to 495 - 515kHz, and how that would fit in with current
UK and Eu beacon operations. The content of the e-mail is below. The issue
is that they would like to make a 501.0 - 501.2kHz WSPR sub-band, to fit in
with the various other proposals. Various other types of beacon modes are
allocated frequencies outside the UK/EI/ON 501 - 504kHz range, while 501.2 -
504kHz is allocated to "general comms". Retaining frequencies just below
504kHz would divide their "general comms" band in two

I don't think there is anything preventing us from doing this, it is just
the inconvenience of turning the current band "upside-down". Let me know
what you think!

Cheers, Jim Moritz
73 de M0BMU

>From W1FR:

Greetings:

   Thanks for the comments on the band plan, passed
along to me by W1XP.

   About a month ago, a modification to the WD2XSH
license was approved that adds stations and gives us
access to 495 - 510 kHz.  Perhaps half of the 42 stations
will eventually get on the air.  Because of NDBs, some
stations are limited to parts of this band and we will
have two calling frequencies and two beacon bands.

   A draft of our new band plan follows.  Of particular
interest is WSPR.  As I see it, our options are:

(a)  501.0-501.2:  Conveniently on one side of our comms
   band.  Will not overload WSPR receivers near 504 kHz.
   Apparently in EU CW-beacon band.

(b)  503.8-504.0:  Apparently same as what you guys are
   using.  Cuts our comms band in the middle.  Nearby
   stations may overload US receivers trying to hear EUs.

(c)  503.9-504.1:  Same problems as above with cutting
   comms band in two and overloading.  Conveniently
   straddles both G/ON/EI and Canadian bands.

   Any further thoughts you may have will be
appreciated.


73, Fritz, W1FR

Frederick H. (Fritz) Raab, Ph.D.
GREEN MOUNTAIN RADIO RESEARCH COMPANY
77 Vermont Avenue, Fort Ethan Allen
Colchester, Vermont 05446  USA
Tel./Fax.:  +1 (802) 655-9670  Home:  +1 (802) 862-0997
E-mail:  [email protected]

BASIC BAND PLAN for WD2XSH

f, kHz          USE

495.0 - 495.1   QRSS, 1-Hz spacing, 40 stations
495.1 - 495.6   CW/PSK beacons midwest, 100-Hz spacing, 10 stations
495.6 - 499.0   Comms
497.5           Calling frequency
499.0 - 501.0   Reserved for heritage stations and special events
501.0 - 501.2   WSPR
501.2 - 505.0   Comms
505.0 - 505.2   DX window
505.2 - 508.5   Comms
507.5           Calling frequency
508.5 - 510.0   CW/PSK beacons east, south, west, Pacific, 50-Hz spacing, 30
stations
510.0 - 511.0   WE2XGR beacons
511.0 - 515.0   WE2XGR SSB and wideband modes


OTHER IN-BAND SIGNALS

503.976         NEED LSB
505.0           NEED carrier
506.024         NEED USB

508.976         OF/FA LSB
510.0           OF/FA carrier
511.024         OF/FA USB

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