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#193203 - 01/11/10 01:10 AM My "instant" portable longrange comm station.
sotto Offline
Addict

Registered: 06/04/03
Posts: 450
Playing around with my portable/mobile quick-setup emergency amateur radio station this weekend. Total setup time: clamp vice-grip antenna base on truck tailgate=2 seconds, screw on Hustler mobile antenna=5 seconds, connect coax=3 seconds, set SGC-2020 transceiver and MFJ antenna tuner on dash=3 seconds, connect 12 volt supply=2 seconds. From SoCal using 10 watts or less on 20 meter sideband, I worked several stations in British Columbia, Texas, Nebraska, Tennessee, Alberta, Florida and Maine while checking things out. Had fun.






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#193205 - 01/11/10 01:31 AM Re: My "instant" portable longrange comm station. [Re: sotto]
Eugene Offline
Carpal Tunnel

Registered: 12/26/02
Posts: 2997
You should look at the fender mounts

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#193206 - 01/11/10 01:44 AM Re: My "instant" portable longrange comm station. [Re: Eugene]
CANOEDOGS Offline
Pooh-Bah

Registered: 02/03/07
Posts: 1853
Loc: MINNESOTA

nice--as someone who just fools around with a old Hallicrafters "boat anchor" it's fun to see what someone who really knows what they are doing can come up with..questions is,in a real,major disaster do you think any frequency's would be open.i assume there are a lot of people with ham sets and no license who would just jump in and jam the frequency's up knowing that the chance of being caught would be very small,and i'm talking nation wide,grab the BOB stuff and not a local storm or major earthquake.

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#193207 - 01/11/10 01:52 AM Re: My "instant" portable longrange comm station. [Re: CANOEDOGS]
sotto Offline
Addict

Registered: 06/04/03
Posts: 450
Hi Canoedogs: As you know, part of being a real OM is knowing how to duck and weave around the QRM. Low-power operating is good practice, I think.

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#193215 - 01/11/10 04:36 AM Re: My "instant" portable longrange comm station. [Re: sotto]
KG2V Offline

Veteran

Registered: 08/19/03
Posts: 1371
Loc: Queens, New York City
I know someone who was VERY VERY involved in the post katrina comms situation - for an agency that had less comms problems than some others

Their 2 big secrets? NVIS antennas, as LONG range comms aren't the big problem - MID range (100-300 miles) is the critical zone

AND

The much dreaded (even by the guy I'm talking about) Winlink 2k

The BIG thing with winlink (which they used on VHF/UHF where they could - where it's NOT so bad) is that they could pass email, complete with attachments from the served agency to where they needed it

This from a guy who gave up about 6 weeks of his life to get down there, and run comms (ham and NON ham - like sat phones, nextels, arrange for COWs etc) for one of the well known agencies
_________________________
73 de KG2V
You are what you do when it counts - The Masso
Homepage: http://www.thegallos.com
Blog: http://kg2v.blogspot.com

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#193218 - 01/11/10 09:38 AM Re: My "instant" portable longrange comm station. [Re: sotto]
M_a_x Offline
Veteran

Registered: 08/16/02
Posts: 1207
Loc: Germany
You have a nice and quick setup there. I must admit that you are much faster than I am. My portable comm station (FT 817, ATX 1080 or NR-770R, 3.4Ah 12V lead gel battery) takes about 3 to 4 minutes from backpack to QRV.
_________________________
If it isnīt broken, it doesnīt have enough features yet.

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#193226 - 01/11/10 03:05 PM Re: My "instant" portable longrange comm station. [Re: M_a_x]
sotto Offline
Addict

Registered: 06/04/03
Posts: 450
KG2V: Excellent, you're way beyond me in knowledge of disaster comms.

Max: Yes, I like that I don't have to really physically carry anything, and it's fast and easy to set up and get functional. I also have a Hustler fitting that I can use to mount up to 4 resonators at once for different bands and different comm distances. With an extra truck battery, I have plenty of DC.

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#193663 - 01/16/10 02:35 PM Re: My "instant" portable longrange comm station. [Re: Eugene]
sotto Offline
Addict

Registered: 06/04/03
Posts: 450
Eugene: Where did you get your fender mount? How is the coax detached. Your mount looks like a much more permanent setup than my vice-grip clamp, but probably provides somewhat less radiation resistance and a better ground plane for the antenna.

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#193683 - 01/16/10 07:19 PM Re: My "instant" portable longrange comm station. [Re: sotto]
philip Offline
Addict

Registered: 09/19/05
Posts: 639
Loc: San Francisco Bay Area
My less than instant portable HF station:

Link to photo page:
http://www.flickr.com/photos/civex/2066842210/
That's me in Death Valley one Thanksgiving weekend. Although I have it set up to operate outside the van here, I can put the radio in the cab and mount the faceplate on the dash for mobile operation. I'm on a separate battery here so I don't run my van battery down. When the radio is set up in the cab, it runs off the van battery.

Louise and I logged into the Reno Noontime net, and we talked to a couple of guys up in the San Francisco Bay area - one of them on his FT-817 at 5 watts. We operated at 100W with a Tarheel Model 100 on the van. More pictures here:
http://civex.smugmug.com/gallery/4328538_qivLk#253863395_CVbTA

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#193711 - 01/17/10 03:36 AM Re: My "instant" portable longrange comm station. [Re: philip]
sotto Offline
Addict

Registered: 06/04/03
Posts: 450
Nice setup Philip.

I'm going to look around and get myself a good field-strength meter and play around with some other ways of mounting and demounting my Hustler whip. As you pointed out in your civex pix, the location of the antenna probably affects the directionality. Mounting the antenna on the rear corner of our vehicles probably doesn't offer the best ground plane and the least radiation resistance, and since I'm running QRP, I want to maximize the amount I'm radiating as much as possible without going to a longer wire antenna that will be less convenient to put up. My vice-grip mount is almost instantaneous, so that's going to be hard to beat.

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