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KA9VDU USA flag USA

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Ham Member Lookups: 7853

 

I confirm all my QSO's here on QRZ.  If you log me in on other pages like Club Log, Eqsl and LOTW, please also confirm it here on QRZ.

I've been licensed since April of 1987.  I'm active on HF, 50, 144, 432 mhz and 10 gHz.  In late 1987 my repeater on 444.000 (with link to 29.600 fm)  went on the air and has been serving south central Wisconsin.  I also have the 53.230 (linked to 444.000) repeater (both 123.0 PL) in Fitchburg, Wisconsin.  In the pictures above is my 1941 Chevy Coupe called "The Dirty Heap."  The next one is from the top of a 10 story building on the Wisconsin State Capitol Square in Madison during late winter.  Wisconsin's Capitol building is in the background along with an ice covered Lake Monona on my right.  This is a view that very, very few people are allowed to have.  Thanks to John, N9EM and the big boss Jay M.

Hf and 6 meters is on a Kenwood TS-480SAT with 160 meter dipole and a 80 thru 6 meter off center fed dipole.

The tower is 34 feet of Rohn 25 with 11 feet of mast on top.  It is attached to the garage with a bracket at 12 feet.  The array is mounted on a RT-Innovations trolley which can be lowered by a winch for easy maintenence.

For 6 meters, I am using a 6 element beam made by Force 12 antennas mouted at 34 feet.   On 144 mhz SSB/CW I use a Kenwood TS-2000 at 100 watts output to a M2 2M9 at 39 feet.  On 432 mhz SSB/CW I am using an Icom IC-820H at 40 watts to a home-made 6wl, 21 element beam at 44 feet. 

On the roof tripod is a second homemade 432 6wl-21 element beam so I can listen on vhf and uhf in different directions when needed.  It is on a tripod with a rotor mount of my own design between the legs on the bottom.  There are two HF dipoles hanging off tripod legs.  On the very top of the tower is a Nott Gila Stat GS-1 static (spline ball) dissipater from M.W. Persons.com.  While the tower isn't that tall, the distance from the radios to the antennas uses 100 feet of LMR400 coax and 50 feet of LMR600 flex up the mast. 

I am a regular on 144.190 mhz upper sideband where there are a few hams that chat from 6 to 8 pm Central time every night.  Two meter sideband is pretty popular around the midwest with a number of groups having qso's nightly from 144.190 up to 144.250 mhz. Give a call and someone is sure to answer back.   Coordinating can also be done by ON4KST's chat room @ www.on4kst.org/chat/index.php  (we all hang out in the 144/432 mhz IARU R 2 chatroom)

I have a 10 Ghz rover station to operate here in southern Wisconsin.  It is a Down East Microwave 10 Ghz transverter with a 19 inch offset feed dish . I built the DEMI kits for the 10g preamp and 3 watt power amp and sequencer.  The transverter is mounted on the dish arm with a home-made case of my own design.  I worked the ARRL 10 ghz and up contest this fall and made a bunch of contacts.  Future projects for 10 ghz include EME with a 2.4 meter prime focus dish.

My portable setup with a deep cycle battery, TS-480SAT and MFJ-1621 (40 thru 10 meter) antenna strapped to a cart.

I usually run 440 mhz mobile.

I can also run ssb/cw/fm on 50 mhz, 144 mhz, & 70 cm mobile.

Me and Rocky, my purebred english springer spaniel who likes eating, chasing rabbits and sleeping.

Working my 70 cm repeater from a hilltop 60 miles away. The repeater site is in the right picture.  The 444.000 repeater antenna is on top with the 53.230 repeater antennas currently being a pair of DB products folded dipoles.   A 2 meter ringo on the right is for the uhf repeaters remote base link.                      The 2 meter sideband beam belongs to the repeater sites owner.
T

 

My Heathkit HW-8 QRP radio with matching HWA-7-1 power supply, HM-9 QRP wattmeter and Radio Shack frequency counter.

It gets 2.5 watts out on 80,40 and 20 meters with 1.5 watts on 15 meters. I replaced the stock receiver transistor with a MPF-102 FET and it sure

makes a difference in the signal strength.  I've made many contacts with this radio.

.My Heathkit HW-8 with matching HWA-7-1 power supply, HM-9 wattmeter and Radio Shack frequency counter to check my transmissions.  It's got the MPF-102 FET mod for better receive and puts out 2.5 watts on 80, 40 and 20 meters with 1.5 watts on 15 meters.

My current operation desk with an Icom IC-820H Vhf/UHF,  Kenwood TS-480SAT HF/50 Mhz with an Astron 35A power supply.

 

John (N9EM) 432 beacon in Downtown Madison,Wis on a 10 story building.  It's operating at 432.306 Mhz with 8 watts to a halo. In the spring I will be building a new big wheel antenna to replace the halo for a little more gain.  Johns beacon is in Grid EN53hb at 850 feet AMSL/ 120 feet HAAT.  Qsl and signal report to n9em@arrl.net. 

Madison now has a 10 ghz beacon on 10,368.160 mhz from the mast adjacent to the N9EM 432 beacon.  It puts out 700 milli-watts to a 20 db horn at 130 feet above the Wisconsin Capitol square.  The horn/power amp is facing towards Dekalb, Illinois but has good scatter off the Capitol's granite faced dome.  The brick oscillator , id'er and power supplies are located in the white box inside to stay temperature stable.  Future plans are to add a second horn pointing north and a bigger power amplifier.  Thanks to Ron W9ZIH, John N9EM, and Big Boss Jay for the use of his rooftop.  For Qsl and signal report please send to N9EM@arrl.net.

My basement workbench with a Cushman CE-5 service monitor and various projects being built or repaired.

 

 

 

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7877834 Last modified: 2017-02-04 17:01:19, 8706 bytes

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Granted: 2015-04-12 22:52:21   (KA9VDU)

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