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Canada approved FM for CB

AudioShockwav

Extraterrestrial
Staff member
Apr 6, 2005
7,965
6,378
593
Nor Cal Sierra Nevada
As a note several years ago a radio station on the southeast coast of Nova Scotia put in an FM rebroadcast transmitter to extend it's coverage area. The delivered the audio to the TX site via what is called an STL, or studio-transmitter link. This STL was in the 450 MHz band. They had to switch frequencies after the first summer because the traffic reports from the WCBS Boston traffic helicopter was over-riding the STL feed. Granted this was NOT F-layer propagation but rather tropospheric ducting. REALLY strong ducting. LOL
Tropo is very cool propagation.

73
Jeff
 

AudioShockwav

Extraterrestrial
Staff member
Apr 6, 2005
7,965
6,378
593
Nor Cal Sierra Nevada
Tropospheric ducting is very cool, under the right conditions it can create incredible dx.
Here is some good info about ducting and how it works.

Well worth the read.
I used to run 14 elements on 2 meters and had a lot of fun on that band.
 
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Captain Kilowatt

Professional Amateur
Staff member
Apr 6, 2005
17,036
11,543
823
59
Nova Scotia,Canada
Tropospheric ducting is very cool, under the right conditions it can create incredible dx.
Here is some good info about ducting and how it works.

Well worth the read.
I used to run 14 elements on 2 meters and had a lot of fun on that band.

Ever take advantage of the Pineapple Express as they call it? Tropo ducting between Hawaii and southern California allowing 2m FM between them. That's a NICE 2500 mile opening when it happens.
 

AudioShockwav

Extraterrestrial
Staff member
Apr 6, 2005
7,965
6,378
593
Nor Cal Sierra Nevada
Ever take advantage of the Pineapple Express as they call it? Tropo ducting between Hawaii and southern California allowing 2m FM between them. That's a NICE 2500 mile opening when it happens.
I never worked the islands on 2 meters, but during the " dog days of summer" we used to work FM simplex from the south valley up to a group in Yreka CA.

Tropo is cool.

73
Jeff
 
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Alabama Buckeye

Dogma Heretic
Jul 29, 2022
245
198
43
Magic City Alabama
Last edited:

Cookie55

W9WDX Amateur Radio Club Member
Aug 19, 2010
77
76
28
Central VA
Hey there Cookie55-
We have a small group here in west Texas and we recently started using FM. For local communications you can't beat the quality!! We love it and we're definitely glad that one of our buddies suggested we use FM, now that it's legal. If any of you have a group of people who like to talk on a regular basis, I highly recommend FM.
73
I keep trying to convince them but they are convinced FM there's no DX with FM and "lordy, where's my swing?"
 
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Brother DXer

[ 226 ~ west Texas ] WDX - 226
Aug 20, 2022
216
431
63
Texas
I keep trying to convince them but they are convinced FM there's no DX with FM and "lordy, where's my swing?"
I understand. But more often than not, we'll get someone a few thousand miles away listening to us talk, and will join in the conversation. The first time it happened I couldn’t believe it! On FM??? But yeah, with the right conditions, it's definitely possible. And locally, I'd have a hard time going back to AM.
 

cralt

Sr. Member
Jun 29, 2012
262
542
103
Connecticut mobile
Tropospheric ducting is very cool, under the right conditions it can create incredible dx.
Here is some good info about ducting and how it works.

Well worth the read.
I used to run 14 elements on 2 meters and had a lot of fun on that band.
We had decent group in CT on 2m FM horizontal and everyone ran at least 7elm. Some guys ran stacked 2m9's. From central CT i could rag chew with a guy in Long island with 65watts with ease.
When tropo would pop in all sorts of crazy stuff would happen. One time we where talking to a guy in philly like he was local. NJ would pop in and out too.
Tropo is weird because when it moves it moves like a light switch. S9 then poof ,just gone.
 
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delboyuk

Member
The new specifications will allow AM, FM, and SSB modes to be used on the standard 40 channels 26.965 - 27.405. Power output is 4 watts AM/FM and 12 watts on SSB.View attachment 60694
Original post here:

 

dxChat
Help Users
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  • @ BJ radionut:
    100W on FT8......1500W on CW/SSB
  • @ BJ radionut:
    We have a pronounced focus on human modes:ROFLMAO::cool:
  • @ BJ radionut:
    There will be NO FT8 robots running unattended at Bouvet,:ROFLMAO:
  • @ BJ radionut:
    10M BAND.....>28400 SSB .... Always give your full callsign. Listening is the key so be sure we call you before replying. 3Y0J will always listen up (using split) so it will be useless to call us on our transmission frequency.
  • @ BJ radionut:
    I like these guys already. :cool: Sounds to me like ROBO callers in ANY Mode will be ignored!!!!(y)