Application Notes

NEW FREE ATV BOOK — “ATV HANDBOOK – an Introduction to Amateur TV” —  AN-55 ATV Handbook

DATV BOOK“Introduction to Amateur Digital Television”  —   AN-45 DTV Book

NEW QST ARTICLE — “Digital ATV Repeaters”, QST, Sept. 2019  DATV Rprtr QST Sept 2019

“DVB-T:  A Solution for ARES Television Operations”,  by Jim Andrews, KH6HTV, .pdf reprint from ARRL’s QST magazine, June, 2015,  pp. 42-44   dvb-t-qst-june2015

APPLICATION  NOTES  relating to Amateur Television   (click on the blue links for a .pdf copy) 

AN-57a —  Comparison of Hi-Des DVB-T Receivers NEW  —  AN-57a Hi-Des Rcvrs

AN-56a — Replacement for Crystals – PXOs —  AN-56a PXO

AN-55 — ATV HANDBOOK – an Introduction to Amateur TV  —  AN-55 ATV Handbook

AN-54  Evaluation of Hi-Des, Model BR-101EH, DVB-T Repeater  —  AN-54 BR-101

AN-53  W0BTV, Boulder, Colorado, Digital ATV Repeater – Technical Details  — AN-53 W0BTV tech

AN-52  Boulder, Colorado ATV Repeater – History  —  AN-52 Rptr History

AN-51b  W0BTV, Boulder, Colorado – DATV Repeater  —- AN-51b W0BTV

AN-50a   Is DVB-T Sideband Sensitive ? (Yes !) —  AN-50a SideBand

AN-49   70cm, DVB-T, Television Repeater with a Duplexer —   AN-49 70cm DTV Duplexer Rptr

AN-48   Building a Basic, 70cm, DVB-T, Television Repeater —  AN-48 70cm DTV Rptr

AN-47  USA ATV Repeater Directory ( updated, May, 2020) —  AN-47 ATV Rptrs rev May2020

AN-46  Amplifier Output Power for Various Modulations  (FM/CW, AM, SSB, VUSB-TV, DTV (QPSK, 16QAM & 64QAM))   AN-46 Amps&Mod

AN-45  Introduction to Amateur Digital Television —  AN-45 DTV Book

AN-44  Remote Receiver for DVB-T  TV Repeater, deleted, obsolete, no longer in service

AN-43d  KH6HTV-TVR Boulder, Colorado TV Repeater, deleted, obsolete, see AN-51 & 52

AN-42   Second, Re-Evaluation of Hi-Des, Model HV-320E, DVB-T, Modulator   AN-42 HV320E

AN-41   2.4 GHz DTV Transceiver    AN-41 13cm Transceiver

AN-40  70cm Antennas for ATV    AN-40 70cm Antennas

AN-39  DVB-T  Recommended  Parameters   AN-39 DVB-T parameters

AN-38  Shopping Lists for Amateur, DVB-T, Digital TV Equipment   AN-38 Shopping Lists

AN-37  Thermal Issues with Hi-Des, DVB-T, Equipment,   AN-37 Thermal Issues

AN-36B  Microwave TV Transmitters & Receivers    NEW, REVISED AN-36b Microwave

AN-35  Model 70-14, DVB-T & DVB-S Receiver Modifications, deleted, obsolete, product no longer available

AN-34  W0BCR, Boulder, CO, TV Repeater Coverage Maps – Radio Mobile, deleted, obsolete, see AN-51

AN-33a  TV Propagation,  an-33a-tv-prop

AN-32  Boulder, CO – DTV/ATV Repeater Coverage —  an-32-rptr-coverage

AN-31  Digital & Analog TV Repeater,   deleted, obsolete, see AN-53

AN-30  An HDMI Switch for a Digital TV Repeater,   deleted, obsolete, see AN-53

AN-29  DVB-T Receiver Sensitivity Measurements,  AN-29 Rcvr Sensitivity

AN-28a  Evaluation of New Hi-Des Model HV-320E, DVB-T, Modulator   (note: see updated AN-42)   AN-28a HV320rev18Dec2017

AN-27b Evaluation of New Hi-Des Model HV-120A, DVB-T, Receiver —  AN-27b HV120

AN-26  70cm DTV Propagation Studies    AN-26 70cm Prop

AN-25  Why I Selected DVB-T for Amateur Digital TV   AN-25 Why DVB-T

AN-24a  Quad DVB-T Receiver,  NEW-REVISED    AN-24a Quad DTV Rcvr

AN-23e DVB-T Television Repeater   AN-23e DTV Rptr    new-revised 9/19

AN-22b   Inter-Digital Band-Pass Filters  an-22b-inter-digital-bpf

AN-21d    How to Receive Amateur Digital, DVB-T Television Signals    AN-21d Receive DTV revMay2018     

AN-20a  DVB-T DX-pedition  (77 miles on 70cm)   AN-20a DVB-T DX

AN-19  Analog & Digital TV Co-Channel & Adjacent Channel RFI Measurements   AN-19 TV RFI

AN-18c  Notes on Setting Up Hi-Des DVB-T Modulator & Receiver    NEW-2019, totally rewritten  AN-18C HiDesSetup

AN-17  DVB-T the Solution for Ham Digital Television   AN-17 DVB-T rev9July14

AN-16  TV Camera Rain Cover   AN-16 RainCover

AN-15  Simple Camera Tripod Antenna Bracket   AN-15 Antenna Bracket

AN-14  FM Transmitter Deviation Adjustment & Calibration   AN-14 FM Deviation

AN-13  High Definition 64QAM Digital TV Transmitter (obsolete, now prefer DVB-T)   AN-13a 64QAM DTV Transmitter

AN-12  Reception of Amateur Television   AN-12a Reception of ATV

AN-11  Digital TV DX Record for Colorado (note: see updated AN-22a)   AN-11a DTV DX Record

AN-10b  70cm & Microwave Amateur TV Frequencies   AN-10b TV Frequencies

AN-9  Add Television to Your ARES Tool Kit    AN-9 ARES Tool Kit

AN-8  “Linear” Amplifiers — Buyer Beware    AN-8 NonLinear Amp

AN-7  TV Propagation & Multi-Path Effects, deleted, obsolete, see AN-33a

AN-6a  MER — What is it ?    AN-6a MER

AN-5a  P5 — TV Signal Quality Reporting,  NEW-2019-REVISED   AppNote5a-P5

AN-4  Antennas for Ham TV  (note: also see new AN-40)    AN-4 Antennas

AN-3  Field Trials Comparing VUSB, FM, DVB-S & 64-QAM Television   AN-3a Field Trials

AN-2  DIGITAL  TV — the Good, the Bad & the Ugly    AN-2a DTV

AN-1  Why VUSB-TV vs. AM-TV ?   AN-1 WhyVUSB

For .pdf copies of old, obsolete, deleted application notes – send me an email request.

OTHER ATV RELATED TECHNICAL PRESENTATIONS   ( Power-Point slides — note: .pdf files.  Original Power-Point files available upon request)

“Amateur High-Definition, Digital Television” – 2020 version, power-point slides for talk presented to MICRO-HAMS DIGITAL CONFERENCE – 2020, 9 May  (note: a Free DVD of this talk is available.  send your request to ) —  DTV-MicroHams

“Amateur High Definition Digital Television”  2019 version, talk presented to various Colorado ham clubs & ARES groups.  PowerPoint slides —  Amateur HD-DTV-Sept2019

“ATV & Public Safety”  talk presented at 2013 Dayton Hamvention, ATV Forum.    ATV&PublicSafetyRev1

“BCARES – Amateur Television Training”, 2013 —   BCARES_TV_trainingRev2

“BCARES – Advanced ATV Training” , 2013 —   AdvancedTVtraining

NOTE:   The following articles were published in national ham magazines.


“Digital ATV Repeaters”, QST, Sept. 2019, pp. 40-41  DATV Rprtr QST Sept 2019

“DVB-T:  A Solution for ARES Television Operations”, QST, June 2015, pp. 42-44  QST June 2015

“70cm Digital TV DX Record”, QST, Mar., 2015, p. 96

“Modern ATV System Design”,  QST, Feb, 2013, pp. 46-47  QST Feb 2013

“Boulder Hams Fight Forest Fires With Video”  QST, May, 2011  QST May 2011

“New Digital TV DX Record”,  QST, May, 2012, pp. 88-89  QST May 2012

“Hams Respond to Colorado Wildfires — ATV Plays a Vital Role”,  Richard Fisher, CQ, Sept. 2012, CQ Sept 2012

TV Repeater’s REPEATER  –  Boulder Amateur TV club’s newsletter.  I am the editor.    Back issue copies are available elsewhere on this web site.

CQ-DATV  I have recently joined the editorial staff of this free, on-line, electronic magazine.    All back issues can be downloaded from

AMATEUR TELEVISION QUARTERLY ARTICLES:      many articles since 2011, mostly based upon the above application notes.   Also published in Boulder Amateur Radio Club, BARC’s BARK, monthly newsletter and more recently, the Boulder Amateur TV Club’s newsletter.   BATVC newsletters are available on this web site.

OTHER PAPERS by KH6HTV on Amateur Radio Topics

EZNEC modeling of Yaesu ATAS-120A HF Mobile Antenna   — mounted on a car  EZNECmobileAnt     plus  mounted on the earth as a backyard, ‘stealth’, base station antenna  YAESU STEALTH ANTENNA    and YaesuStealthAnt-Part2

Rev:   25 Sept.  2020, kh6htv