Portable Radio. Larry Ryan W7DGP SEA-PAC 2015
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1 Portable Radio Larry Ryan W7DGP SEA-PAC 2015 June 6, 2015
2 Agenda My first portable Dxpedition GW5ALQ A little portable operation on a Dxpedition Satellite portable Hotel portable* (90% of my portable) Fails Air travel with ham gear Antennas Batteries What to pack Page 2 SeaPac 2015
3 Headline: Anti-technology steer takes down antenna GW5ALQ/P is off the air! Normal, contented, lazy dairy cows in rural N. Wales My cows Eh! An antenna in my pasture! Yep, a Yank. Get them ropes, I say! Page 3 SeaPac 2015
4 Dxpedition portable: a beach on the Caribbean VP2MLR, Montserrat April 2012 Buddipole Dxpedition Most of the operation was from a villa up on a hillside. We decided to do a little portable at Rendezvouz Beach. Page 4
5 Gingerbread Hill villa, Montserrat 17M Vertical with a single radial, TRSB (balun) no coil. Page 5
6 Satellite Portable Page 6
7 Satellite Portable Deploy comfortable lawn chair near radio operation Thank you, Dave Palmer KB5WIA For this great idea. Page 7 Hang twin FT-817s From the tripod power both from a single 7Ah gel cell 12v battery
8 Satellite Portable KC2UHB Diana Eng Satellite rig can be pretty simple Arrow Tracking app Elk Homebrew KB5WIA Page 8
9 Satellite Portable which satellites are operational today? FM Repeater Satellites SO-50 (SaudiSat 1-C) LO-78 (LituanicaSat-1) Now re-entered EO-80 (QB50p2) In commissioning Transponder Satellites AO-7 (Yeah! Still working!) FO-29 (JAS-2) VO-52 (Hamsat) Now end of mission AO-73 (FUNcube-1) Page 9
10 Hotel Portable CT1/W7DGP/P Lisbon, Portugal Shaw Island, WA S5/W7DGP Sežana, Slovenia Page 10
11 Preparation for Hotel Portable Ask for a balcony Some hotel windows open a lot, some a little and some don t. Remember that most balconies overlook the pool they all see you waving your antennas. They stare and point a lot. Be sure to wave back. Page 11
12 Preparation for Hotel Portable setting up in the room Try to get at least some of the antenna out the window Take down your station BEFORE housekeeping shows up to clean the room! Page 12
13 Preparation for Dxpedition portable Passport, License and QSL cards Make a list and check it twice BE AWARE of weight limitations by airlines! Montserrat Air flight from Antigua allows only 50lb including carry-on. They check! Unpacking in Montserrat Page 13
14 Dxpedition fails Page 14
15 Hotel portable fails Windows that do not open and are covered with Scotchtint. They are RF tight! My Sidney, Australia hotel QRN 30 over 9! Windows that Windows not that open do not open Outlets only in the bathroom! Page 15
16 Air travel and ham gear All of my comments are based on my global road warrior experience as a Hewlett-Packard engineer. Over a 15 year period, I flew nearly 700,000 airline miles and packed my ham gear to 16 countries. many times. 1. Pack everything but the rig and unpackaged lithium batteries in your checked baggage. Lay on top of it a sheet saying This is amateur radio gear. I have an FCC license to operate it or something to that effect. No tools in carry-on! 2. Rigs I have carried (FT-817 and IC-7000) are kept in the carryon bag through x-ray. DO NOT set it out like a laptop. You will get questions. All you have to say is to tell them what it is. 3. Lithium batteries will also be questioned. You may have to remind TSA that their rule is loose lithiums go in carry-on In some countries when exiting, customs inspectors have asked about the gear in checked bags. Amateur radio equipment 5. There are TOO MANY STORIES about TSA problems. I never had a TSA problem. The TSA has a resonant frequency. Tune to it! Page 16
17 Remote radio an alternative to hauling all that equipment around not really portable operation Page 17
18 Antennas for portable operation For all my portable operation, I have used only 4 different antennas: 1. Wire dipole 2. Buddipole dipole and vertical (see my VP2MLR info on QRZ.com) 3. Ventenna HFp-V vertical 4. Older Superantenna vertical (no photo available) Ventenna HFp-V vertical Buddipole vertical and dipole Page 18
19 Antennas for portable operation Dry Tortugas Island National Park, FL 5w on 20m SSB Not mobile! Your car makes a great antenna mount for this 40m antenna. Page 19 9A/W7DGP on 17m Dubrovnik, Croatia
20 Batteries for portable operation Currently popular rechargeable battery technologies: Sealed lead-acid heavy, lowest cost NiMH (Nickel metal hydride) low discharge rate Lithium (LiFePo4) lightest, most expensive, needs special charger I use these NiMH batteries in my FT- 817 s: $pecial charger For Lithium 7Ah sealed Lead-acid 10Ah Lithium Page 20
21 Tools what to bring with you, part I 3 Guy Ropes 80 m radial Radials Ropes for rope tricks Page 21
22 Tools what to bring with you, part II? Page 22
23 Questions? 73! Page 23
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