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ZL3AI > APRDIG 01.04.03 13:17l 271 Lines 10141 Bytes #999 (0) @ WW
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Subj: TAPR Digest, Mar 24, 2/4
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From: ZL3AI@ZL3VML.#80.NZL.OC
To : APRDIG@WW
Subject: APRS/SA & GMRS/FRS
From: "Gilson, Ron" <RGilson@ecmc.edu>
Date: Mon, 24 Mar 2003 13:10:05 -0500
X-Message-Number: 10
Subject: GPS Accuracy & GMRS USE ?
From: Ron Gilson
WA2WWK
Wonder if during this war, has anyone noticed SA being turned on? Seemed
like last Wed. my vehicle was off by at least 1500 ft but now all readings
are normal. Also, to correct the miss under standing re. GMRS, no business
licenses are being issued. Any grandfathered businesses are allowed to
continue operation in the States. Being above line A, some Canadian
Businesses are still operating. This is a family HI power (50 watts) and
repeater radio service. The FCC even questioned me on multiple control and
repeater/base station locations the last time I renewed (license is over 15
years old). $75 for a license, if it keeps FRS and Businesses off these
channels is a deal. Above line A we only have 6 pairs of channels, not much
for locations of 650,000+ people with 2 pairs being used by community
repeaters (Shared Access)(business?). Frankly speaking, returning to the
old rules which did not allow sale of equipment which operates in both
licensed and unlicensed radio services, would be a major step forward. Can
you imagine CB radios sold, that off the shelf, would work on 10 meters and
the adjacent government 25 to 30 mhz bands?
73's
Ron
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Subject: Re: KD5STN-1>EMERGENCY
From: "M. Schneider" <msokla@brightok.net>
Date: Mon, 24 Mar 2003 12:26:32 -0600
X-Message-Number: 11
>Subject: KD5STN-1>EMERGENCY
>From: "Joe Della Barba" <joe@dellabarba.com>
>Date: Fri, 21 Mar 2003 19:34:38 -0500
>X-Message-Number: 15
>
>KD5STN-1>EMERGENCY ** Mic-E Emergency Message
>I:355U2V,CAVANL,GAYLOR,DECATU,WIDE3*,AR,qAo,KD5LDQ 2003/03/21 10:04:19
>
>????
Checked into this and received the following msg. Not sure if the
"Emergency" signal was the right one to use, but it wasn't an accidental
activation. On the other hand, this may be good usage of the signal, wasn't
there, can't say.
Mark Schneider - K5MAR
----- Original Message -----
From: "Bruce Gabbard" <bgabbard@swbell.net>
To: "'M. Schneider'" <msokla@brightok.net>
Sent: Sunday, March 23, 2003 2:31 PM
Subject: RE: APRS Emergency Signal
>Mark
>
> Yes, and thanks for the follow-up. That night I was called out with
>some of the Benton County ARES/RACES team to search for a plane that
>crashed south of Fayetteville, AR. That beacon was at the site of the
>closest road access to the crash site. We were able to get two of the
>three on board, but did loose one who was DOA.
>
>Thanks for the follow up...
>
>Bruce KD5STN
>
>http://www.bcar.us
>
>-----Original Message-----
>From: M. Schneider [mailto:msokla@brightok.net]
>Sent: Friday, March 21, 2003 11:58 PM
>To: bgabbard@swbell.net
>Subject: QRZ: APRS Emergency Signal
>Importance: High
>
>Bruce,
>
>Are you aware you are transmitting an emergency beacon on APRS? See
>below.
>
>KD5STN-1>EMERGENCY ** Mic-E Emergency Message
>I:355U2V,CAVANL,GAYLOR,DECATU,WIDE3*,AR,qAo,KD5LDQ 2003/03/21 10:04:19
>
>Mark Schneider - K5MAR
>AEC, Payne County, OK ARES
----------------------------------------------------------------------
Subject: Re: KD5STN-1>EMERGENCY
From: Miller Scott Contr 30SCS/FTI <Scott.Miller@vandenberg.af.mil>
Date: Mon, 24 Mar 2003 18:31:01 -0000
X-Message-Number: 12
Sounds like we need some sort of clearinghouse online (Steve, Jim?) to log
emergency beacons and provide responders with a place to document their
response.
And how about the ability to tell the system "email me at this address for
any emergency beacons logged within 50 miles of my location"?
Scott
----------------------------------------------------------------------
Subject: Re: APRS/SA & GMRS/FRS
From: "Laurie - g6isy" <g6isy@dsl.pipex.com>
Date: Mon, 24 Mar 2003 18:45:51 -0000
X-Message-Number: 13
Gilson, Ron wrote:
>Subject: GPS Accuracy & GMRS USE ?
>From: Ron Gilson
>WA2WWK
>
>Wonder if during this war, has anyone noticed SA being turned on?
>Seemed like last Wed. my vehicle was off by at least 1500 ft but now
>all readings are normal.
Haven't noticed anything unusual here in the UK.
Latest statements say there has been no change to the stated policy of "No
intent to use SA again."
Also
"The U.S. Government also maintains the capability to prevent hostile use of
GPS and its augmentations while retaining a military advantage in a theater
of operations without unduly disrupting or degrading civilian uses outside
the theater of operations."
http://www.igeb.gov/sa.shtml
73 Laurie - G6ISY
----------------------------------------------------------------------
Subject: Re: Radiation monitoring and APRS
From: "Roy Bost" <rbost@itexas.net>
Date: Mon, 24 Mar 2003 12:53:54 -0600
X-Message-Number: 14
Oops...didn't mean to leave the SIG out.
----- Original Message -----
From: "Roy Bost" <rbost@itexas.net>
To: "Miller Scott Contr 30SCS/FTI" <Scott.Miller@vandenberg.af.mil>
Sent: Monday, March 24, 2003 12:38 PM
Subject: Re: [aprssig] Radiation monitoring and APRS
>You have FOUR things to consider. You will need a tracker that is capable
>of sending data! I seem to remember that the KPC-3 can send data in mv (or
>ma?)
>
>Type of detector - This would have to announced in the Beacon Text.
>
>Units - Rem, RAD Roentgen are American units and Gray, Sieverits,
>Bequerials(sp) are international units. Here again anounced in the Beacon
>Text.
>
>What Units to use - You will have to use whatever is appropriate for the
>type of detector that you use and the type of radiation you wish to monitor.
>Your detector also has to be calibrated to whatever units your detector
>circuit requires. For example, if your survey meter reads in Rem, then it
>MUST be calibrated in Rem. Also, Roentgen is used ONLY for Gamma and X-ray
>radiation. Rem can be used for all types of radiation. Rad is used for
>high doses of gamma and beta.
>
>How are you plannig on calibibrating your detector? Normally survey meters
>are calibrated to a radioactive source that gives off radiation in the
>energy range that you wish to monitor. Such calibration sources require a
>permit from the US NRC. Or you have to sent it off to a ceritfied
>calibration lab at least once a year for calibration.
>
>I personally don't think it is wise to go around broadcasting radiation dose
>rates in the clear for the uneducated puiblic to see. If they only
>partitally understand what they are seeing, then you can have a problem on
>your hands. If you want to generater log files that are to be studied
>later, ok. My local nuclear power plant has such a system in their Offsite
>Survey trucks. It uses a APRS like locating system (a mic-e system) and a
>radiation detector mounted on the front bumper. As far as I know, it
>doesn't transmit data in the APRS format, although I've not tried to track
>them with my system! Hmmmmmmm.....
----------------------------------------------------------------------
Subject: Re: Radio Shack WX Station & APRS?
From: Mark Sproul <msproul@jove.rutgers.edu>
Date: Mon, 24 Mar 2003 13:32:53 -0500
X-Message-Number: 15
WinAPRS, MacAPRS and X-APRS support the radio shack WX station
Mark
----------------------------------------------------------------------
Subject: Re: APRS/SA & GMRS/FRS
From: "Mike Yetsko" <myetsko@insydesw.com>
Date: Mon, 24 Mar 2003 14:02:47 -0500
X-Message-Number: 16
>Wonder if during this war, has anyone noticed SA being turned on? Seemed
>like last Wed. my vehicle was off by at least 1500 ft but now all readings
>are normal.
I was under the impression that sometime last year the USAF experimented
with 'selective blocking' of GPS, such that it would essentially shut it
down for 'non-subscribers' in an area, not worldwide. Maybe that's what's
been going on and you just got some errors.
> Can
>you imagine CB radios sold, that off the shelf, would work on 10 meters
> and the adjacent government 25 to 30 mhz bands?
Actually, they were allowed for a while. BUT, you had to 'give up' CB
channels to get other channels, such that the total was STILL 23 or less.
I never actually saw one, but I did see the paperwork on it.
As far as I know, there were no 40 channel radios that were dual-service.
Mike
----------------------------------------------------------------------
Subject: Re: Radiation monitoring and APRS
From: "Mike Yetsko" <myetsko@insydesw.com>
Date: Mon, 24 Mar 2003 14:05:23 -0500
X-Message-Number: 17
Maybe what's needed is a whole class of 'environmental contaminants' that
would include specifics such as various radiations with 'exposure rates'
and things like 'biological hazard' and 'chemical hazard' ratings.
Mike
----------------------------------------------------------------------
Subject: RE: Radiation monitoring and APRS
From: Miller Scott Contr 30SCS/FTI <Scott.Miller@vandenberg.af.mil>
Date: Mon, 24 Mar 2003 19:17:42 -0000
X-Message-Number: 18
Equipment for monitoring atmospheric contamination isn't cheap, though. I
built my computerized Geiger counter for under $50.
The OpenTRAC spec has gone in that direction a little bit, providing a
hazmat inventory element. It's mostly intended for reporting the contents
of a tank or vehicle, though it could be associated with an area object to
represent a spill.
I'm also going to be adding some generic telemetry unit elements to the spec
- things like volts, amps, degrees, and so on. The idea is that you can use
basic units to build up report messages that aren't covered by a defined
message element. For example, you could have an object representing a
satellite, and an object representing each battery, solar panel, and power
bus, with a description and voltage or current. The receiving program could
display all this in a fairly meaningful way without knowing anything about
the satellite in advance.
But that's getting off-topic, and if you're interested I suggest you check
out the OpenTRAC mailing list. =]
Scott, N1VG
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