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cyberengineer's profile picture. I taught Electronic Instrumentation at Virginia Tech 31 years & have a large historical collection of microcomputers - now moved to Computer Museum of America

LCF Group

@cyberengineer

I taught Electronic Instrumentation at Virginia Tech 31 years & have a large historical collection of microcomputers - now moved to Computer Museum of America

737Posts 395Followers 2KFollowing
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N4USA's profile picture.
N4USA David Larsen
 @N4USA
Oct 31, 2020

KK4WW ham for 66 years and my collection 13,000 artifacts of Ham Radios and Computers are now located at the Computer Museum of America CMoA #Hamradio #amateurradio #Museum #Computermuseum #KK4WW #N4USA #Radiohobby youtu.be/GGQnqq-Pszo

N4USA's tweet card. Amateur Radio in the Bugbook Computer Museum N4USA KK4WW

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Amateur Radio in the Bugbook Computer Museum N4USA KK4WW

Source: youtube.com
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
Sep 23, 2020

Hi Amateur Radio friends - Remember Byte Magazine and Wayne Green. We remember Byte while at the "Computer Museum of America" Timeline of covers. David N4USA / KK4WW #byte #Bytemagazine #Waynegreen #hamradio #amateurradio #Microcomputermagazine youtu.be/FwiRWMerR4Y

N4USA's tweet card. Byte Magazine - David Larsen's story -Timeline of Covers

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Byte Magazine - David Larsen's story -Timeline of Covers

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N4USA David Larsen
 @N4USA
Sep 26, 2020

Enigma Machine - The new display at the Computer Museum of America. A great addition to the archives. David N4USA #enigma #computer #computermueseum #computercollector #amateurradio #hamradio #museum #enigmamachine youtu.be/lTJmDMxxVKw

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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
Aug 2, 2020

N4USA Ham Radion is active at Chantilly Farm & many other cool activities for Campers. floydvirginiausa.blogspot.com/2020/08/ham-ra… #camping #rvcamping #tentcamping #hamradio #AmateurRadio #LoveFloydVA #swva

N4USA's tweet image. N4USA Ham Radion is active at Chantilly Farm & many other cool activities for Campers. floydvirginiausa.blogspot.com/2020/08/ham-ra… #camping #rvcamping #tentcamping #hamradio #AmateurRadio #LoveFloydVA #swva
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cyberengineer's profile picture.
LCF Group
 @cyberengineer
Aug 11, 2020

Just a little reminiscing 30 years ago teaching in the Soviet Uinion - Microcomputer workshops. David KK4WW N4USA tinyurl.com/y2wt9h7g #USSR #CCCC #sovietunion #workshops #microcomputer

cyberengineer's tweet image. Just a little reminiscing 30 years ago teaching in the Soviet Uinion - Microcomputer workshops. David KK4WW N4USA tinyurl.com/y2wt9h7g #USSR #CCCC #sovietunion #workshops #microcomputer
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
May 22, 2020

#Apple1 #Applecomputer #Apple1computer #Museum #computercollection

Apple1computer's profile picture. Tweeting about Apple 1 Computer, history, events, sales, books, collectors, retro geeks & other. The Collector for 45, Ham radio operator for 66 years KK4WW
David Larsen KK4WW
 @Apple1computer
May 22, 2020

Check out my Apple- videos on my Play list. I was fortunate to aquire 4 original Apple-1 computers in my 45 years of collecting. David youtube.com/playlist?list=… https://www/kk4ww.com

Apple1computer's tweet image. Check out my Apple- videos on my Play list. I was fortunate to aquire 4 original Apple-1 computers in my 45 years of collecting. David youtube.com/playlist?list=… https://www/kk4ww.com
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
Jun 7, 2020

#Computer_memory #Intel IC

cyberoffice's profile picture. Collector Teacher Historian blogger Curator of Cyber & Microcomputer memorabilia for more than 45 years see web site listed - Dave KK4WW ham radio 66 years
LCF Group - N4USA
 @cyberoffice
Jun 7, 2020

Microcomputer history - EPROMS made microcomputers practical with memory that could be changed during development and contents did not change with powering on/off. This is a project with Intel 2708 EPROM's ( 8k bytes on 1 chip) bugbookmuseum.blogspot.com/2020/06/eprom-… #microcomputer #eprom #rom

cyberoffice's tweet image. Microcomputer history - EPROMS made microcomputers practical with memory that could be changed during development and contents did not change with powering on/off. This is a project with Intel 2708 EPROM's ( 8k bytes on 1 chip) bugbookmuseum.blogspot.com/2020/06/eprom-… #microcomputer #eprom #rom
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
Jul 8, 2020

Amateur Radio Chameleon Antenna at W4MBC RV Chantilly Farm Campground youtu.be/1SDVEt2X1m8 via @YouTube

N4USA's tweet card. Amateur Radio Chameleon Antenna in operation

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Amateur Radio Chameleon Antenna in operation

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LCF Group reposted
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N4USA David Larsen
 @N4USA
Jun 9, 2020

Moore's Law still working - USB flash drive today has 1,000,000,000 times the memory as the 2708 memory chip of 1972 and only cost $39.00 Check this out. bugbookmuseum.blogspot.com/2020/06/moores…

N4USA's tweet image. Moore's Law still working - USB flash drive today has 1,000,000,000 times the memory as the 2708 memory chip of 1972 and only cost $39.00 Check this out. bugbookmuseum.blogspot.com/2020/06/moores…
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cyberoffice's profile picture.
LCF Group - N4USA
 @cyberoffice
Jun 7, 2020

Microcomputer history - EPROMS made microcomputers practical with memory that could be changed during development and contents did not change with powering on/off. This is a project with Intel 2708 EPROM's ( 8k bytes on 1 chip) bugbookmuseum.blogspot.com/2020/06/eprom-… #microcomputer #eprom #rom

cyberoffice's tweet image. Microcomputer history - EPROMS made microcomputers practical with memory that could be changed during development and contents did not change with powering on/off. This is a project with Intel 2708 EPROM's ( 8k bytes on 1 chip) bugbookmuseum.blogspot.com/2020/06/eprom-… #microcomputer #eprom #rom
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
Apr 1, 2020

Visited the Hot Surfur Bath while visiting Dominica in early February 2020 helping the Dominica Amateur Radio Club. David J79USA N4USA Hot Sulfur Vent - Watton Waven , Dominica youtu.be/R0-b_dk9doU via @YouTube

N4USA's tweet card. Hot Sulfur Vent - Watton Waven , Dominica

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Hot Sulfur Vent - Watton Waven , Dominica

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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
Apr 3, 2020

Ham Friends - here is a little video of views of Dominica - our Amateur Radio visit 2-2020 #hamradio #amateurradio #Emergencycommunications #DX #DARC #n4usa #j79z #kk4ww youtube.com/watch?v=XEwce5…

N4USA's tweet image. Ham Friends - here is a little video of views of Dominica - our Amateur Radio visit 2-2020 #hamradio #amateurradio #Emergencycommunications #DX #DARC #n4usa #j79z #kk4ww youtube.com/watch?v=XEwce5…
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LCF Group reposted
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N4USA David Larsen
 @N4USA
Apr 26, 2020

HAM Friends - This campground is the home of N4USA. David kk4ww.com

retirementfarm's profile picture. We do sell our own land and farms as For Sale By Owner and also do owner financing. This has been on going for over 50 years here at the LCF Group.
David Larsen LCF
 @retirementfarm
Apr 26, 2020

Campground near Blue Ridge Parkway , Floyd VA. Great place to visit for 2 weeks or more. During this stay at home in VA we can only book campers for 2 weeks or more. youtube.com/playlist?list=… #campground #camping #RVcamping #tentcamping

retirementfarm's tweet image. Campground near Blue Ridge Parkway , Floyd VA. Great place to visit for 2 weeks or more. During this stay at home in VA we can only book campers for 2 weeks or more. youtube.com/playlist?list=… #campground #camping #RVcamping #tentcamping
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KB1HQS's profile picture.
KB1HQS
 @KB1HQS
May 12, 2020

7 Days of SOTA: I'm activating a different SOTA summit every day for a week in Maine. Details: kb1hqs.com/2020/05/12/7da… #SOTA #hamradio #QRP #POTA

KB1HQS's tweet image. 7 Days of SOTA: I'm activating a different SOTA summit every day for a week in Maine. Details: kb1hqs.com/2020/05/12/7da… #SOTA #hamradio #QRP #POTA
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LCF Group reposted
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LCF Group - N4USA
 @cyberoffice
May 9, 2020

An Outdoor Sport you can do at 500,000 locations in the USA. No problem to keep social distance!! #geocaching #cache #gps #tracking # treasure_hunting bugbookmuseum.blogspot.com/2020/05/geocac…

cyberoffice's tweet image. An Outdoor Sport you can do at 500,000 locations in the USA. No problem to keep social distance!! #geocaching #cache #gps #tracking # treasure_hunting bugbookmuseum.blogspot.com/2020/05/geocac…
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
May 10, 2020

This Grouse was my friend at farm N4USA Dave #N4USA

cyberengineer's profile picture. I taught Electronic Instrumentation at Virginia Tech 31 years & have a large historical collection of microcomputers - now moved to Computer Museum of America
LCF Group
 @cyberengineer
May 10, 2020

Our wild Grouse became so friendly it would get into the cab of our truck for a ride. We named our Geocaching site after our Grouse "Tilly's Trace" Take a look at video and also learn about outdoor Sport Geocaching. #geocaching #Wild_Grouse #outdoorsport youtu.be/hcidA0z-nL8

cyberengineer's tweet card. Grouse on Bird watching hill

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Grouse on Bird watching hill

Source: youtube.com
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LCF Group reposted
N4USA's profile picture.
N4USA David Larsen
 @N4USA
May 23, 2020

Memorial Day Weekend at Chantilly Farm Event and Campground - Home of N4USA Our Tiny House Village. youtube.com/watch?v=gZqBxh… #MemorialDay2020 #MemorialDayWeekend #Tinyhouse #tinyhousevillage #N4USA #KK4WW

N4USA's tweet image. Memorial Day Weekend at Chantilly Farm Event and Campground - Home of N4USA Our Tiny House Village. youtube.com/watch?v=gZqBxh… #MemorialDay2020 #MemorialDayWeekend #Tinyhouse #tinyhousevillage #N4USA #KK4WW
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LCF Group reposted
cyberengineer's profile picture.
LCF Group
 @cyberengineer
May 10, 2020

Our wild Grouse became so friendly it would get into the cab of our truck for a ride. We named our Geocaching site after our Grouse "Tilly's Trace" Take a look at video and also learn about outdoor Sport Geocaching. #geocaching #Wild_Grouse #outdoorsport youtu.be/hcidA0z-nL8

cyberengineer's tweet card. Grouse on Bird watching hill

youtube.com

YouTube

Grouse on Bird watching hill

Source: youtube.com
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K3TripleR's profile picture. Robert: https://t.co/O7fAxtUo5H - Extra, Ham=63 Yrs, Ham Satellite & FT8 Fanatic, Satellite WAS & Satellite GridMaster Award, 9BWAS / 8BDXCC 100w & A Wire - https://t.co/6JTiTuwtLs

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AD6DM's profile picture. Hubby • parent • nerd boss • #HamRadio • Emergency Response volunteer • Creator of Hamdom Thoughts podcast https://t.co/PYDgsu5wcV • Owner of https://t.co/gBfmaJxIQD

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n4_but's profile picture. Call Sign N4BUT, ARES, ARRL VE, Amature Extra class, SkyWarn. SDR Radio: https://t.co/dy2wZG3EhL, Kiwi https://t.co/kCwCxtv1sD Jeeps.

N4BUT

@n4_but
CLRadioAM659's profile picture. Amateur Radio Operator #Hamradio - Cta de Actividades de Radio Fm Am SwL - Imágenes Difusión - Notas de Radioaficionados⚡️ 🚫NoListas⛔️ @librosmanuales c1

🎙RX Radioafición

@CLRadioAM659
N3VMM's profile picture. Husband, two boys, Ham Radio Operator,GMRS Operator, Volunteer Fire Fighter, PA Game Commission Hunter Education Instructor, Skywarn, RACES

Dennis W Nichols

@N3VMM
xolaniShaunmg's profile picture. xokla boy

xolani Shaun mğ 🇿🇦

@xolaniShaunmg
SZ1A1's profile picture. The Radio Amateur Association of Western Greece, SZ1A, Ham Radio, Contest Club, CW, SSB, RTTY, Redforest

SZ1A Official

@SZ1A1
EmilOE3VET's profile picture. OE3VET QRP Amateur Radio Operator Elektrotechniker

Emil /OE3VET

@EmilOE3VET
whaynes97's profile picture.

Walt (WI6K)

@whaynes97
n5gis's profile picture. Amateur radio, mapping, and whatever else?

Matt - N5GIS

@n5gis
An_EMD_Life's profile picture. | views are my own | ✝️

Dave

@An_EMD_Life
kj4eu_Jerry's profile picture. Retired Ky State Police....Retired Church Pastor....Love Amateur Radio....Like to chase satellites

KJ4EU

@kj4eu_Jerry
K3CAN_US's profile picture. Amateur Radio Operator since 2018

K3CAN

@K3CAN_US
AK3B2's profile picture. Amateur Radio - Contesting, EmComm, POTA, and rag chews. #Skywarn #ArmyMARS #RACES #ARES #RheumatoidArthritisWarrior. #EndRacism He/Him Anti-fascists🌎🌲♻️

AK3B

@AK3B2
KK4BDY's profile picture. Technician class

KK4BDY

@KK4BDY
N3YAZ_USA's profile picture. Son of God, Dad, Husband, US Navy Vet (AG), Amateur Radio Operator, VE, SKYWARN Storm Spotter, Motorcyclist and aspiring professional hobbyist.

Jason N3YAZ

@N3YAZ_USA
IU0NIO's profile picture. Radioamateur IU0NIO

Paolo_IU0NIO

@IU0NIO
kil0S3v3n's profile picture. One of the last few men in a world of sissies. Beard, beer, whisky, red meat, gluten, God, best kids in the world. If you want me to apologize, go pound sand.

𝕂𝕚𝕝𝕠𝟟 🇺🇸🍻🇺🇸

@kil0S3v3n
N3VMC's profile picture. Ham radio, technology, aviation stuff etc...

Vince

@N3VMC
VE7LXC's profile picture. HAM Radio Operator - Basic w/Honours & Advanced license class. Past calls VA6TDG, VE6GTD & CF6TDG. QTH Grid DO10, easy access to DO11, DO20 and DN29

Timothy Graham

@VE7LXC
Jankin_Bai's profile picture.

JankinBai

@Jankin_Bai
2e0txe's profile picture. Amateur Radio Operator, DMR, Zello IO83VD Yaesu FT857D Diamond X50 + G5RV LDG Z11Pro ii Ailunce HD1 Pi Zero W + MMDVM TYT MD390GPS Baofeng UV-5R + Motorcycles!

2E0TXE - Damian

@2e0txe
G4gjaken's profile picture. Retired electrical engineer. Interests, Radio design, woodwork, photography and computers

Ken

@G4gjaken
M6Pni's profile picture. New M6, loving radio, mad about motorcycles.

M6PNI

@M6Pni
g0usl_mark's profile picture. Radio Amateur with a bit of a fixation on all things antennas.

Mark GØUSL

@g0usl_mark
wx0mik's profile picture. Licensed in June 2019 | Extra | SKYWARN | Session Manager for @glaargvec and VE Team Lead for @arrl | @OMISSnet member | https://t.co/6SZ8RvEYoa

Mike WX0MIK

@wx0mik
JariKorhonen8's profile picture. Old radioman OH3EYR

Jari Korhonen

@JariKorhonen8
Bryan_K7KX's profile picture. Electrical Engineer - Executive in renewable energy and former US Navy Nuc. Main interest is ham radio contesting, 6M and low band DXing, remote station const.

Bryan

@Bryan_K7KX
kc9ymh's profile picture.

kc9ymh

@kc9ymh
joedom's profile picture. Ham radio KI4ASK. Husband to KI4HHI 💃, father of 3. GT OMSA 🐝, veteran 🇺🇸, biz owner 👨🏻‍💻, math 🧮, data science 📊, AI 🤖, chaos theory ⚛, donuts 🍩

Joe Domaleski, KI4ASK

@joedom
VA3AGV's profile picture. #VA3AGV.com // instagram•com/VA3AGV // Amateur HAM Radio / Ontario,Canada 🇨🇦 / #HamRadio #Radioham // grid https://t.co/vm6EeUDGjO grid / #NA1SS

VA3AGV.com🇨🇦©️🦍Amateur HAM Radio Operator 🎙🛰

@VA3AGV
WA9JBQ_'s profile picture. Working the birds, like to rove, getting better at castings and catching A United States Marine Corps Veteran, likes to travel

Rick WA9JBQ

@WA9JBQ_
ronaldlbrooks's profile picture. Main interests are Ham Radio (AC8MA), photography, and Science Fiction.

Ron Brooks 🇺🇸

@ronaldlbrooks
iq8bi's profile picture.

ARI Pompei IQ8BI

@iq8bi
UlisK3LU's profile picture. Radio, History, Geography & News nut. Seeker of truth/facts.🕊️ RT ≠ endorsement. Now with Solid State® HF Global Technology. Listening to the Wind of Change!

Ulis K3LU

@UlisK3LU
VE3SP's profile picture. #VE3SP.ca // 🇨🇦🦍🇬🇩 {f=t∇sτ}💥Seeking a life of excellence💥{perspicacious🐐} #AmateurRadio #elmer #hamRadio #KrakenSDR #signaturemanagement

VE3SP.com🇨🇦™️ dré 🍁 Amateur Ham Radio 🦍⚜️®️

@VE3SP
HamAG0NY's profile picture. Ham operator since about 1993, Extra class. retired Aircraft Mechanic, RF Tech, Fiber Optics and IT Geek. only Ham radio and related accounts will be followed.

Seannon, AG0NY

@HamAG0NY
SWLDE2TRF's profile picture. https://t.co/kWRED3IXWD https://t.co/ljFc0NreEx LOC JO60EL DOK S 44

DE2TRF Torsten

@SWLDE2TRF
SHARC_ORG's profile picture. KS3R / N3WX / W3PIT - Legally founded: August 23, 1993. Club Newsletters: SHARC Mariner & SHARC Voyager. Founding Vice-Pres, Ron Lentz (SK) - N3WX, 1960-2002

South Hills ARC Inc.

@SHARC_ORG
m0xtd's profile picture. Power Systems Engineer (Retired), Radio Amateur, #STEM Ambassador, #ARISS Mentor and #ARISS Operations Lead in the UK.

Ciaran Morgan

@m0xtd
kristina_wdm_ka's profile picture. #HAMradio rw9upk #drones #БПЛА #Telecom #Networks #Internet

Kristina K.

@kristina_wdm_ka
dxcoffee's profile picture. A magazine devoted to amateur radio: news, insights, sneak previews, and everything about DX

DxCoffee

@dxcoffee
9k2gv's profile picture. Engineer & Author of a Few Books, Trying To Serve The HamRadio Community & I Did It, つづく Founder of https://t.co/dTt2Yd2Uqd

Sal Al

@9k2gv
Winters_CN's profile picture. MMDVM DIYer ,HAM https://t.co/5XXVvWLN4T , bi7jta@gmail.com

BI7JTA

@Winters_CN
CT1DOV's profile picture. 🇵🇹 Amateur Radio Operator

Joao Beltrao

@CT1DOV
WinderSlide's profile picture. SlideWinder DX - More to follow - #slidewinderdx #m1ecc-antennas

SlideWinderDX

@WinderSlide
WD9EWK's profile picture. Also licensed as VA7EWK, enjoying the amateur satellites & HF. Owner of an NFL team. Opinions are mine. Also @wd9ewk@mastodon.radio - Find me on the satellites!

Patrick

@WD9EWK
k2exe's profile picture. Extra class amateur (ham) radio operator, ARRL member, Skywarn spotter, Bear Bait Radio Club, podxs070 club #2516, GMRS WRQF539

Mark K2EXE Scrano

@k2exe
twjones85's profile picture. Amateur Radio Operator W9TWJ (EL29); @ARRL & @AMSAT Life Member; ARRL VE; baseball, football, and hockey fan; SIU alum; electrical engineer.

Tanner Jones, W9TWJ

@twjones85
KJ5Z_Michael's profile picture. Licensed Amateur Radio operator since 70's. Occasionally working satellites. Message me if you need a grid. Certified tech and cybersec professional.

Michael KJ5Z

@KJ5Z_Michael

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