[MRCA] 10-Meter FM

[B Smith]

I don't think any fed agency really cares about 
wide band FM below 29.0, If it bothers you just 
either turn the deviation down  when transmitting 
or  don't talk too loud.  I seriously doubt if the 
Feds are monitoring for this violation.

--------------------------------------------------
From: "Gene Smar" <ersmar at verizon.net>
Sent: Thursday, December 16, 2010 11:56 PM
To: "Al Klase" <al at ar88.net>; "Military Radio 
Collectors Association" <mrca at mailman.qth.net>
Subject: Re: [MRCA] 10-Meter FM

> Al et al:
>
>     Before we jump into 10 FM using milrads, 
> remember:  these old green
> radios are wideband FM.  That modulation is not 
> permitted on Ham freqs below
> 30 MHz.  We can get away with it on 6M and 
> above.  I'll check the FCC Rules
> over the weekend (it's nearly 12M here now.) 
> But IIRC, the Rules section on
> permitted modulation describes the math used to 
> determine index of
> modulation or some such thing which must be less 
> than 1 below 30 MHz.
>
>     Stay tuned.
>
>
> 73 de
> Gene Smar  AD3F
>
>
> ----- Original Message ----- 
> From: "Al Klase" <al at ar88.net>
> To: "Military Radio Collectors Association" 
> <mrca at mailman.qth.net>
> Sent: Thursday, December 16, 2010 8:33 PM
> Subject: [MRCA] 10-Meter FM
>
>
>> The recently released MRCG (West Coast MRCA) 
>> field day video sparked a
>> 10-meter FM discussion on today's C/LRRP Net.
>> http://www.youtube.com/watch?v=aUKl9BdsvUc
>>
>> So, we'll try to support such operation at 
>> future MRCA gatherings.
>> We're talking the "armor" frequency range 27.0 
>> to 38.9 MHz.
>>
>> Candidate Radios:
>>
>> SCR-608/628:         BC-683, BC-684 (Tank Sets)
>> SCR-609/610:         BC-659 (Jeep Sets)
>> SCR-619:                BC-1335
>> PRC-9
>>
>> OK, what did I miss?
>>
>> Frequencies:
>>
>> The standard mil channels were at 100 KHz 
>> intervals.  29.6 seems to be
>> the "official" FM calling freq.
>> I think we're loing at 29.1, 29.2, 29.3, 29.4, 
>> 29.5, and 29.6.  We
>> probably should zero in on one or two.
>>
>> Crystals:
>>
>> Tank Sets:  FT-241 Channel 291, 292, 293, 294, 
>> 295, and 296 TX, RX is
>> not crystal controlled.
>>         Divide frequency by 72 for actual xtal 
>> freq.
>>
>> Jeep Sets:  FT-243 (One crystal only for 
>> TX/RX.)
>> Channel 291 - 6200 KHz
>> Channel 292 - 6225 KHz
>> Channel 293 - 6250 KHz
>> Channel 294 - 6275 KHz
>> Channel 295 - 6300 KHz
>> Channel 296 - 6325 KHz
>>
>> So, who's this crazy?
>>
>> Al
>>
>>
>>
>>
>> -- 
>> Al Klase - N3FRQ
>> Jersey City, NJ
>> http://www.skywaves.ar88.net/
>>
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