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Thanks for visiting my QRZ page! It's Skyler Fennell KD0WHB here. I am currently 19 years old and hold my Amateur Extra license as of January 4th 2014, General september 27 2013 , and Technician July 27 2013.

I am happy to accept the 2016 ARRL Rocky Mountain Division Young Ham of the Year award as well as the Rocky Mountain Division Technical Achievement Award! I am thrilled to receive the 2016 Amateur Radio Newsline Young Ham of the Year in addition to the 2016 ARRL Hiriam Percy Maxum Award!! I would like to put out great thanks to everyone who has elmered me, helped with projects, and been there to answer questions.


I am currently an Electrical Engineering Student at New Mexico Tech and am the president of TARA ( Tech Amateur Radio Association) 


Please Check out my YouTube channel for most recent ham radio videos


Complete process of building a repeater at the University: 


Completed July 2016 -

•Blue Mountain Steerable AllStar Linked 2-meter and 70Cm Remote base

•Blue Mountain AllStar Link enabled 440MHz Repeater



Below: View the construction proceess, design,  and a demo of a homebrew AllStar Link (Internet Linked) VHF / UHF Channel Steerable Remote Base.



I have a few vids on my YouTube page with AllStar link Demo/Tutorials and more.


Recent Projects:

•Denver Radio Club Voted Repeater System (sorry no pics / description yet)

•Blue Mountain AllStar Linked Repeater  (sorry no pics / description yet)

Blue Mountain VHF/UHF Frequency Agile Remote Base  (sorry no pics / description yet)

•Denver School of the Arts Amateur radio club (KEØFXH) high altitude balloon launch

•900 MHz AllStar Linked Analog Repeater

After starting an amateur radio club at my high school, we all wanted to be part of a high altitude balloon launch. After fundraising, and a number of designs, we finally launched with the Edge of Space Sciences.  For a detailed writeup on this launch, please click or visit URL below.



•STEM school repeater


After a few months, the STEM school repeater I have been finding parts, and constructing is now on air! Although it is only less than 30 feet off the ground, the coverage is suprising. If you are in the Highlands Ranch area, please try the new repeater at a frequency of 447.225 (-) 141.3hz. AllStar and EchoLink are now working too!


AllStar Node : 41967

EchoLink node AB0BX-R


Above and Below: Final configuration of the repeater

Below: Tuning the duplexer with the service monitor. Special thanks to Scott WØKU.

Below : Service monitor and duplexer

Below: Internals of repeater. Spot the Power supply, Transmitter, Receiver, and controller.


Portable AllStar link node

AllStar link is a new Voice over Internet Protocol system similar to the Internet Radio Linking Project (IRLP). After construction of a node on Eldorado Mountain, my most recent completion includes the portable AllStar link node built on a very tight budget. 

Below is a photo of all the internals, crammed into the small tin can. This includes the radio power supply, radio transceiver, USB sound card, PTT and COS driver, VOX detector, and RF chokes. I designed the circuitry to interface the radio transceiver and the sound card. It was particularly challanging to get PTT to work by soldering to pins on a tiny surface mount chip inside the USB sound card. The power can go up to 5 watts, but I only operate at 1 watt due to overheating of the radio, especially in full duplex mode. 

The entire node fits into a small tin can, and allows me to use the AllStar link system by simply plugging the can into my laptop, and conecting to a network. I have used this node for demonstrations at ham clubs, and portable operation around the country. 

Although running the node in simplex mode fits in the can, full duplex mode can be acheived with an external radio:


Favorite Ham Activity:

I love cycling, and love ham radio. Why not combine them together? I enjoy making simplex and repeater contacts while mountain biking mobile on my homebrew bicycle setup. It is always really enjoyable to bike to the top of a hill and make distant contacts. 

Currently, my homebrew bicycle mobile setup consists of a 10 amp hour battery, a 25 watt radio for UHF (kenwood TK805D), a removeable 50 watt radio for VHF (Kenwood TM241A) and a half wave 144/440 Mhz NMO antenna on the back of the bike. The antenna does not need a ground plane, which is a plus for bicycle mobile. 

Additionally, I have installed truck horns, and a motorcycle headlamp on my bicycle for fun :)

I initiated the Colorado AMSAT was initiated in February 2014 and it is still running!. Always looking for more traffic so if you want to tune in, here are the frequencies and VOIP links.

Frequency/Internet Protocal Location Time according to Timezone Notes
449.625 (-) 103.5 Denver CO Lookout Mountain 7:00PM Mountain Time IRLP node in Denver linked to the Denver Reflector.
Echolink AMSAT *AMSAT* 2:00 AM GMT Echolink AMSAT server
447.850 (-) 141.3 Saddleback Mountain, Evergreen CO 7:00 PM Mountain Time 29571 AllStar
447.225 (-) 141.3 STEM school, Highlands Ranch, CO 7:00 PM Mountain Time 41967 AllStar, AB0BX-R EchoLink
9870 Denver IRLP reflector 7:00PM Mountain Time Connect here for IRLP
40764 KD0WHB Skylers AllStar link 7:00PM Mountain Time Direct connection
40930 The Colorado Hub 2:00 AM GMT Colorado AllStar hub!
Live Feed Broadcastify on KC9ZHV live audio 2:00AM GMT Thanks to Loren KC9ZHV and Mark KC9ZHR
Net Recordings For Those who Have Missed the Net Any Time www.amsatnet.info/#Recordings
41715 KC9ZHV hub 2:00 AM GMT Texas Data center hosted by Loren KC9ZHV
442.525 + Olney IL 8:00PM KC9ZHV repeater system

A?l?l?s?t?a?r? ?n?o?d?e? ?4?0?7?6?4? ?i?s? ?n?o?w? ?O?N? ?A?I?R?!? ?I? ?h?a?v?e? ?a? ?h?a?l?f?-?d?u?p?l?e?x? ?n?o?d?e? ?a?t? ?m?y? ?h?o?u?s?e?,? ?f?u?l?l?-?t?i?m?e? ?l?i?n?k?e?d? ?u?p? ?t?o? ?t?h?e? ?e?l?d?e?r?a?d?o? ?m?o?u?n?t?a?i?n? ?r?e?p?e?a?t?e?r? ?o?n? ?4?4?9?.?8?7?5?.? ?T?h?i?s? ?n?o?d?e? ?i?n?c?l?u?d?e?s? ?E?c?h?o?-?l?i?n?k? ?a?n?d? ?A?l?l?s?t?a?r?,? ?a?n?d? ?g?i?v?e?s? ?c?o?v?e?r?a?g?e? ?t?o? ?t?h?e? ?B?o?u?l?d?e?r? ?a?n?d? ?D?e?n?v?e?r? ?a?r?e?a?s?.? ?F?o?r? ?m?o?r?e? ?i?n?f?o?m?r?a?t?i?o?n? ?o?n? ?t?h?e? ?n?o?d?e?,? ?v?i?s?i?t? ?a?m?s?a?t?n?e?t?.?i?n?f?o?/?#?n?o?d?e?.? ?A?l?l?s?t?a?r? ?n?o?d?e? ?n?u?m?b?e?r?,? ?4?0?7?6?4?.? ?E?c?h?o?l?i?n?k? ?n?o?d?e? ?K?D?0?W?H?B?-?L?.?
Eldorado Mountain AllStar Link is OFF AIR. Blue Mountain AllStar link + Remote base coming SUMMER 2016!!!

I am particulary interested in the DIY side of ham radio. It seems very fun to build your own radio equipment and be proud to have it all built by you. I love messing around with electric circuits, and like the QA site: electronics.stackexchange.com.

I like to mess with High voltage, High current, Huge capacitors etc. Currently at my electronic/science/physical engineering club that my friend KDØMLV and I started, we are working on huge tesla coil. Mixture of RF, high voltage, and High power!!!

I am interested in the LF experimental bands.Hopefully I can get a liscense for that, and have some fun below the AM broadcast bands! Thats one reason for working on my extra, hopefully that will help.

Also, I am interested in Visable Spectrum Communications.hopefully soon, I will be pointing a powerful modulated, focused LED light off of a nearby mountain, Bergen Peak,and pick it up 2.7 miles away, at my house.

I have no particular favorite frequency/band, I like to experiment with it all! I have an


View my progress on making a station to work satellites here at amsatnet.info, and click on building station on the left.


I Love the book Crystal Sets to Sideband, and I am inspired to eventually build my own Transciever. Frank Harris, who wrote that book (KØIYE) is an amazing person and has a 100% homebrew station. I will keep the homebrewing ever lasting!

Well 73's to everybody out there, and hope to hear u guyz on the air!


Thanks so much to KDØMLV for getting me into ham radio, a great friend at My High School, who has been a HAM since he was 9.



8428203 Last modified: 2017-11-03 04:22:31, 20467 bytes

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QRZ Logbook Summary for - KD0WHB
Latest Contacts for KD0WHB at QRZ.com
dedateband mode grid Country op
KD2HWN 2015-03-13 2m FM FN13ed United States John L Derycke
KD0YWK 2014-01-31 70cm FM DN70ke United States Tyler C Trevarton
KD0VHD 2014-01-06 2m FM DM79jn United States Kevin R Scofield
KD0RNO 2013-12-20 70cm FM DM79ks United States DORAN T ROLAND
K5WRN 2013-11-17 2m FM EL29ep United States Michael C Wrenn
KD0VHD 2013-11-11 2m FM DM79jn United States Kevin R Scofield
KD0VHD 2013-10-28 2m FM DM79jn United States Kevin R Scofield
KD0VHD 2013-10-20 2m FM DM79jn United States Kevin R Scofield
KD0TAQ 2013-09-23 2m FM DM79to United States Eric N Davis
KG7DYO 2013-08-24 70cm FM DM26he United States Liam D Kalson

Book Totals: 10 qso's   8 confirmed Get a free logbook at QRZ.COM

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