3456 to what?

[Rod Johnson]

I see KL7UW referenced 3400.200.

Is that going g to be the new calling frequency for that band?

  I have not seen any previous chatter about that possible use of the old gear

   Rod J

[Ed Cole]

3400.200 - huh? I never mentioned that. In a post to the microwave
reflector I mentioned 3400.100+ for non-eme narrow-gand modes.

MY transverter converts 3400 to 145 MHz (because the A32 PLL exhibits
lower phase noise at 3255 MHz vs 3254 MHz).

But what you use for SSB calling frequency will be decided by each
region, most likely. 3400.200 would be easy to remember as 144.200 is
the national calling frequency on 2m.

Here in AK only KL6M and myself have 3-GHz equipment and have mutually
moved 9cm-eme to 3400.000-3400.100. Most likely we would use 3400.100
for SSB.

Ed-KL7UW

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[Ray W7GLF]

I threw in my two cents on a QRZ chat page about this:

https://forums.qrz.com/index.php?threads/fcc-has-announced-cut-off-date-for-3456-mhz-operation-mid-april-2022.796806/

I address the use of old gear.  Unfortunately I think using a synthesizer will probably be necessary - read the comments on downeastmicrowave.com.

[Ray W7GLF]

I mention synths because custom HC-6 crystals seem to be hard to get these days. There seems to be a place in England called QuartSLab.

I saw this list in a 2018 post (not sure if they are still in business):

Lap-Tech  (Ontario, Canada)  http://www.laptech.com  (289)481-2019
(also available from TFC in the UK  www.tfc.co.uk, they're part of Lap-Tech)

Anderson Electronics (Pennsylvania, USA)  http://www.aextal.com  (814)695-4428

FMI (California, USA)  http://www.frequencymanagement.com  (714)373-8100

Transko  (California, USA)  https://www.transko.com/  (714)528-8000

FOX (Florida, USA)  https://www.foxonline.com/

EuroQuartz  (UK)  http://www.euroquartz.co.uk/  +44(0)1460230000

QuartzLab (UK)  http://www.quartslab.com/

Krystaly (Czech Republic)  http://www.krystaly.cz/en/

Now if only someone would pick a reasonable call frequency...