K4ZDH

Riley Hollingsworth, K4ZDH, started his ham radio career in Rock Hill, South Carolina, in 1960, proceeded through law school to a career at the Federal Communications Commission, the FCC.  Riley was a part of the evolution of the FCC as it dealt with the new communications technologies including paging, cellular, PCS, and amateur radio.  K4ZDH tells his amateur radio story as well as his impact on the amateur radio service through his career at the FCC.

First Elmer: Morris Hall, W4CXO
Hometown: Rock Hill, South Carolina
Favorite operating mode: CW

First License: Novice,  1960, KN4ZDH
First Contact: 80 Meters  Earl Savage

First Rig:
EF Johnson Challenger Transmitter
Hallicrafters  SX-110 General Coverage Receiver

Current Rig: 
Yaesu FT-920 HF Transceiver
Kenwood TS-520 HF Transceiver
Icom IC-7300 HF Transceiver
Drake 2NT Transmitter
Drake 2C Receiver
Hammarlund HT37 Transmitter
Collins 75A4 Receiver
Howard Mills, Harpers Ferry – Collins Radio Repair
Hygain AR22 Antenna Rotator
Mosley Electronics TA-33 Beam

Zenith Table Radio 1950
Knight Kit Space Scanner Radio Kit
Collins A Line “Gold Dust Twins” Station 
Shelby,  North Carolina Hamfest
Nader’s Raider
Brown Lung Disease or Bissinosis
Rock Hill SC Cotton 
Ralph Nader
Black Lung Disease
Wakeforest University, TN.  Law School
Federal Communications Commission
High Frequency Direction Finding
ARRL Official Observer Status
Cellular and PCS industry
FCC Frequency Auction
One Big Knob, by Riley Hollingsworth, K4ZDH
FCC Daily Digest
FCC Monitoring Stations
ARRL Volunteer Monitor Program
ARRL Atlantic Division Vice Director
HomeOwners Associations
FCC PRB-1 
OTARD Rule – over the air reception devices
Flagpole Law
NASA – National Aeronautics and Space Administration
Apollo Space Program
Teflon
ARRL Teachers Institute
STEM
Volunteer Monitor Program
Telegraph Operator Glass Arm
CNC Machine
Amateur High Altitude Balloon
Multi-tasking
FT8 Digital Mode
PSK31 Digital Mode

Greatest challenge facing amateur radio now: Keeping the public aware of what it has to offer, and an aging population. 

Excited most by: new technologies and digital communications

Advice to new or returning hams: be amazed at the capability of the new equipment, and get on the air and experiment. ​

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