Amateur Radio Station
K3LR – FCC licensed since 1972
Designed and Engineered specifically for Multi
Multi DX Contest Operations + HF Emergency Radio Response
Towers = 13 (Includes 8 dedicated Rohn BX self supporting towers
used for the 80 meter full size, base insulated (series fed)
verticals that are configured in a 2X Phased 4 square array)
160 meters Station #1
The main TX and RX antenna is a 5 Element, electronically relay
switchable,
Directional (4 directions with 32 dB of F/B), vertical Yagi.
23,000 meters of radials. 37 meter AB-105 style (18 inch face)
base insulated tower for the driven element and 4 "T"
wire parasitics. See ON4UN 4th edition Low Band DXing
book for details.
The radio is a Icom 7800 with a single band 8877 amplifier
80 meters Station #1
The antenna is two full size, self supporting (23 meters tall x 8
towers), phased, 4 squares that are spaced 5/8 wavelength apart
(broadside to Europe). The squares can be fed broadside (45 and
255 degrees) or end fire (135 and 315 degrees). 31,000 meters of
radials with two Comtek Systems Hybrids and a custom K3LR
designed splitter switch. The operator can select one or two 4
squares in each direction.
The radio is a Icom 7800 with a single band 8877 amplifier
**Interlocked with**
80 meters Station #2
M2 with W6ANR element coils - rotating dipole at 74 meters (96
feet long) mounted on the 20 meter tower mast above the top 20
meter Yagi. Can be remotely auto-tuned 3.5 to 3.9 MHz via K6AJ
motorized "Tornado" center coil.
The radio is a Icom 7700 with a single band 8877 amplifier
40 meters Station #1
4L/4L = 8 element stacked array (15 meter booms- each antenna
weighs 370 lbs.) Full size WA3FET OWA Yagis at 59 meters (Prop
Pitch) and 36 meters (TIC ring rotor with Green Heron Controller)
PiRod 24 inch face tower. Switching allows operator choice of TOP
only, Both In Phase, BOTTOM only or Both Out of Phase
The radio is a Icom 7800 with a single band 8877 amplifier
**Interlocked with**
40 meters Station #2
2L/2L = 4 element stacked array W6NL Moxon design (7 meters boom)
at 57 meters (TIC ring rotor) and 37 meters (TIC ring rotor)
mounted on the 20 meter tower. Switching allows operator choice
of TOP only, Both In Phase, BOTTOM only or Both Out of Phase.
Comtek ground mounted full size 4 square vertical array with
10,000 feet of radials. Receive only.
The radio is a Icom 7800 with a single band 8877 amplifier
20 meters Station #1
WA3FET Yagi OWA design 6L/6L/6L/6L = 24 element stacked array (15
meter booms) at 71 meters (Prop Pitch)/52 meters (TIC ring
rotor)/34 meters (TIC ring rotor)/15 meters (TIC ring rotor)
PiRod 18 inch face tower
Switching allows 10 combinations of antenna selection by the
operator. Top, High Mid, Low Mid, Low, All Four, Top Three,
Bottom Three, Top Two, Middle Two or Bottom Two.
The radio is a Icom 7800 with a single band 8877 amplifier
**Interlocked with**
20 meters Station #2
M2 Yagis 6L/6L = 12 element stacked array (19 meter booms) at 46
meters (TIC ring rotor with Green Heron Controller) over 31
meters (TIC ring rotor with Green Heron Controller) mounted on
the 40 meter tower. Switching allows operator choice of TOP only,
Both In Phase, BOTTOM only or Both Out of Phase
Comtek ground mounted full size 4 square with 60 radials per
element = 5000 feet (Receive only)
The radio is a Icom 7800 with a single band 8877 amplifier
15 meters Station #1
WA3FET Yagi OWA design 7L/7L/7L/7L = 28 element stacked array (15
meter booms) at 50 meters(PropPitch)/37 meters(TIC ring rotor)/25
meters(TIC ring rotor)/12 meters(TIC ring rotor)
PiRod tower (18 inch face)
Switching allows 10 combinations of antenna selection by the
operator. Top, High Mid, Low Mid, Low, All Four, Top Three,
Bottom Three, Top Two, Middle Two or Bottom Two.
The radio is a Icom 7800 with a single band 8877 amplifier
**Interlocked with**
15 meters Station #2
M2 Yagis 6 ele/6 ele = 12 element stacked array (12 meter booms)
at
25 meters(TIC ring rotor) and at 12 meters fixed at 150 deg (can
be stacked or fed separate) mounted on the 20 meter tower.
The radio is a Icom 7700 with a single band 8877 amplifier
10 meters Station #1
WA3FET Yagi OWA design 8L/8L/8L = 24 element stacked array (15
meter booms) at 30 meters(Create RC5B)/20 meters(TIC ring
rotor)/10 meters(TIC
ring rotor)
Tower AB-105 style (18 inch face)
The radio is a Icom 7800 with a single band amplifier
**Interlocked with**
10 meters Station #2
WA3FET Yagi OWA design 9L/9L/9L = 27 element stacked array (19
meter booms) at 61 meters(Prop Pitch)/25 meters(TIC ring
rotor)/15 meters fixed at 150 deg mounted on the 40 meter tower.
The operator can choose 7 selections. Top, Middle, Bottom, All
Three, Top Two, Bottom Two, High/Low. 5/8 wavelength vertical at
61 meters.
Comtek ground mounted 4 square with 5/8 wavelength verticals.
There are 60 ½ wavelength radials per element – 5000 feet
(Receive Only)
The radio is a Icom 7700 with a single band 8877 amplifier
RX antennas -
Available to all (5) K3LR stations on 160, 80 and 40 meters via
K9AY TriPlex distribution system (Receive Antenna Select).
4 Beverage wires that cover – 8 directions
2 are single wire reversible feeds for 45/225 and 135/315 degrees
(270 meters long) direction controlled by the 80 meter #2
operator
One is a single wire 308 meters on EU/SW K9AY transformers
(reversible feeds)
One is a single wire 308 meters on Asia/South America K9AY
transformers (reversible feeds) direction controlled by the 160
meter operator.
Low full size dipoles for 160 and 80 meters at 5 meters high
DX Engineering receiving 4 square (98 foot spacing) with W8JI 23
ft RX antennas (4) 3 ground rods per element and at array center
+ 30 x 40 foot radials per element. 5/8 wavelength spaced phased
VE3DO loops at 45 and 225 degrees and WellBrook loop array. Use
DX Engineering Noise Canceling Controller (NCC-1) on 160 meters
Radios are eight Icom IC-7800s, three Icom
IC-7700s running latest software loads and eight spare Icom
IC-781 Transceivers with high performance PIN diode front end
mods. W3NQN bandpass filters for TX/RX and W2PV RX. Harmonic
suppression stubs and 4O3A bandpass filters.
Amplifiers are Single band homebrew single 8877 tube PI-L network
running 1500 watts output.
Headsets are Bose QC-2 with Heil HC5 boom microphones mounted per K1DG design
Contest software is latest WinTest version 3.27 on 13 dedicated Pentium Windows XP computers custom built and maintained by Dave, W9ZRX
Wattmeters are Drake W4
Network is 100 base T wired Ethernet
CW Skimmer is seven Perseus SDR receivers
Coffee brewing system is the Flavia S350 and S400. 30 selections of Coffee and Tea available for the K3LR team.
CW Keys are Bencher
Contest club is North Coast Contesters – Charter member and past multi year President
Also a member in good standing of The Mercer County Amateur Radio Club (charter member and multi year past President), Mad River Radio Club (past President), The Mahoning Valley Amateur Radio Club, The Edmond Amateur Radio Society, The Radio Club of America, Allegheny Valley Radio Club and The Oklahoma DX Association.
Life Member of the American Radio Relay League
and the ARRL Diamond Club.
Location is West Middlesex, PA – Mercer County - Grid EN91se
Logs and instant QSLs via ARRL LoTW and eQSL
QSL info Direct OK (no SASE needed), Via the Bureau, eQSL, or
LoTW
K3LR DX Cluster (built and maintained by Dave, W9ZRX) runs AB5K AR Cluster software and is available on 144.97 MHz for Western Pennsylvania and Eastern Ohio running 50 watts to an antenna at 61 meters and supporting connections all over the world via telnet://dx.k3lr.com
K3LR Web page is http://www.k3lr.com thanks to Tom, K8CX
Email to k3lr@k3lr.com
Comments: Hope we hear you in the next contest!
Updated 12/22/09