I ran a similar setup. I built a homebrew version of the HA-14 (HW-12 was a
xceiver). Same 572B tubes and powered it with Heath's DC power supply for the
HA-14. Plate voltage was around 2200 volts. Drove it with a National NCX-3 in a
brand new '65 Dodge R/T. Antenna was also homebrew.
I never had a problem drilling holes in new cars. Do a neat job and it's easily
repaired when you trade it. I never had a problem at trade-in time.
Simpler cars in those days. Even my bike is computer controlled now.
Eric
KE6US
On 10/9/2017 4:55 PM, Mel Farrer via Elecraft wrote:
Back in the late 1960's, I ran a SBE 33 and a HW12 compact kilowatt in a Ford
Econcom PU, with a Texas bug catcher antenna and NE2s around the Top Hat.....
HP pulled me over and said I could not do that, causing drivers to swerve all
over the place behind me...... FUN.
Mel, K6KBE
From: Dave Fugleberg <dave.w...@gmail.com><mailto:dave.w...@gmail.com>
To: Fred Jensen <k6...@foothill.net><mailto:k6...@foothill.net>;
elecraft@mailman.qth.net<mailto:elecraft@mailman.qth.net>
Sent: Monday, October 9, 2017 4:30 PM
Subject: Re: [Elecraft] Mobile from 117 VAC
My friend had a jeep wrangler (2012 model IIRC ) that we used for VHF
roving with no issues. When we tried the same vehicle on HF, some bands
were ok and some caused havoc with the vehicle electronics. Transmit on 15m
at 100 watts triggered the wipers... 40m lit up every indicator on the
dash.
We switched to my 2015 F-150 with almost all the options, and have no such
problems. Same rig, same antenna. However, the truck creates some hash in
the HF receiver. So, there can be a lot of differences between vehicles.
On Mon, Oct 9, 2017 at 4:48 PM Fred Jensen
<k6...@foothill.net><mailto:k6...@foothill.net> wrote:
In my previous 2003 Chevy Silverado, I had my TS-850 on a picnic table,
running off the truck battery with jumper cables to the PowerPole
distribution block and the engine idling. As soon as I sent the first
CW, both front seats moved totally forward and then refused to move
back, steering wheel now blocking entrance. Antenna was a dipole in the
tree, hanging over the truck. Disconnecting the battery cable for a
minute or so rebooted the seat computer and it began working. A 40W 440
MHz transmitter affected the cruise control in a 1991 Ford Ranger.
Fortunately, it just disengaged it rather than setting the speed target
at 120 mph.
I got a 2017 Honda Ridgeline last Feb, I'm still working through
understanding the "UI" for it, but given how much automation is
involved, I will not put HF mobile in it. Automobiles have changed
since Dad let me put the PE-103 powered 10m transmitter in the trunk of
the family Plymouth. The seat computer in the Chevy [one of seven in
the truck not counting whatever was in the radio] had 320 KB of ROM, 64
KB RAM, and cycled at 100 ns, all just to move the seats back and
forth. The Apollo Guidance Computer had 32 KB of 16-bit hardwired core
memory, 2 KB of read-write core, and cycled at 10 ms for most
instructions, to go to the moon and back.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 10/9/2017 2:01 PM, Dauer, Edward wrote:
So even if I conquer all the challenges of bonding and antenna-making
and all the rest, there is still the risk that HF RF will affect some
processor on the vehicle at the worst possible time and place? How do we
deal with that sort of problem? Operate QRP only?
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