Max became a
silent key on January 8, 2020
Phoenix, AZ
Back to
Phoenix AM Page
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The
AM
operating position at K7CAX. Left to right are: a
Johnson Viking Valiant, an R-390F receiver, a Dentron
MT-3000A antenna tuner, and a Johnson Viking 500 , plus
a Heathkit HO-10 monitor scope and a Heathkit counter. |
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Close-up
of
the Viking 500. This is just the RF part; there is
an equally large box on the floor containing the power
supply and modulator. Tube lineup is a 4-400A
modulated by a pair of 811A's for 300+ watts carrier
output power on 80-10 meters. |
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The
R-390F.
The 'F' suffix attests to the extensive modifications
performed by Chuck Felton, KD0ZS, on this receiver
to bring it up to 21st-Century state-of-the-art. |
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The
Viking
Valiant provides 160-meter AM capability for K7CAX
and serves as a backup transmitter for the Viking
500. Three 6146's in the final, modulated by a
pair of the same, give 150+ watts of carrier
power. |
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Max,
K7CAX,
at the AM operating position with D-104 mike in
hand. A comfortable chair is a necessity for AM
"old buzzard" QSO's. |
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2-meter
AM
capability is currently provided by this Kenwood TS-700
all-mode transceiver with about 5 watts of carrier
output. The TV monitors the Fox Network for broken
news. |
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Vintage
VHF
AM operation will soon be realized with this Ameco
6/2-meter transmitter, VFO and nuvistor converter
(back-ended by the Kenwood general-coverage
receiver). SSB gear is in rack at right. |
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HF
SSB
is handled by an Icom IC-718 driving an Amp Supply
LK-450 amplifier and a Vectronics HFI-1500 antenna
tuner. Also in the rack is the station coax patch
panel, a fine, old Bulova chronometer, another Kenwood
TS-700 and a Heath power meter. |
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All
'real'
hamshacks have a wall of QSL cards and K7CAX is no
exception. These cover Max's operation from novice
days through present-day DX. |
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A
key
ingredient of the big K7CAX signal on the lower bands is a
conveniently placed 70 ft. palm tree for dipole support. (Click here for larger photo ~200K) |
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Another
tall palm tree provides support for an Alpha-Delta DX-LB
multi-band dipole for 160-meter operation. (Click here for larger photo ~200K) |
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Ready
to
go for Field Day, or just to provide a convenient,
backyard skyhook, this trailer-mounted push-up tower and
equipment enclosure was acquired for a modest sum a few
hamfests ago. (Click here for larger photo ~200K) |
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