state of am, fm and tv bands - v-soft communications · state of am, fm and tv bands yam ‐freeze...

27
State of AM, FM and TV Bands y AM Freeze on New Apps y AM Minor Chang es are allowed y FM NCE, LPFM and New Commercial Freeze y FM Translator Freeze – Minor Changes y TV Band to be repacked Minor changes only y TV Band to be repacked Minor changes only FCC Incentive Auction NPRM O l l h i f UHF y Our central goals are to repurpose the maximum amount of UHF spectrum for flexible licensed and unlicensed use, while at the same time preserving a healthy, diverse broadcasting service.

Upload: others

Post on 19-May-2020

1 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

State of AM, FM and TV Bands,AM ‐ Freeze on New AppsAM ‐Minor Changes are allowedgFM ‐ NCE, LPFM and New Commercial FreezeFM ‐ Translator Freeze – Minor ChangesTV  Band to be repacked  Minor changes onlyTV ‐ Band to be repacked – Minor changes only

FCC Incentive Auction NPRMO   l  l         h   i     f UHF Our central goals are to repurpose the maximum amount of UHF spectrum for flexible licensed and unlicensed use, while at the same time preserving a healthy, diverse broadcasting service.

Page 2: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

AM Radio and environmental noiseDimmer SwitchesOverhead power linesFlorescent Lights  BallastsFlorescent Lights ‐ BallastsLED lights ‐ switching power suppliesComputers ‐ big and smallTelevisions, particularly with Plasma ScreensMotorsSwitchesSwitchesCar ignitionsLightningl lElectronic Filters

IBOC 

Page 3: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

P l t ‘fi ’ AM ’tProposals to ‘fix’ AM – won’tAll digital modulation – reinventing AMAll digital modulation – reinventing AMModify AM antenna efficiency standards – (downward)Wider use  modulation dependent carriers (saves elec )Wider use ‐modulation dependent carriers (saves elec.)Reduce day/night community coverage standardsEliminate the “Ratchet” rule  which reduces interference Eliminate the  Ratchet  rule – which reduces interference contributions for minor changesOpen window for FM translators for AM stationsOpen window for FM translators for AM stations

Page 4: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

FM Radio – Sources of InterferenceFM Radio  Sources of InterferenceFM radio not impacted as much as AM by noise (Thank 

)you Mr. Armstrong.)All side‐mounted omni antennas are directionalWeaknesses in FCC methodology 3‐16 km terrain radials IBOC – short spaced stationspLPFM – reduces FM coverage past protected 60 dBuEnvironmental noise – Computer routersEnvironmental noise  Computer routers

Page 5: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 6: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 7: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 8: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

Path from KVMR toward KQEI‐FM ‐ to its 60 dBu Contour

Page 9: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 10: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 11: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 12: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 13: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 14: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

Path from WRNI‐FM to the 60 dBu Contour on Azimuth to WKLB‐FM

Page 15: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 16: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 17: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

Path from WBFO toward WRUR‐FM ‐ to its 60 dBu Contour

Page 18: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 19: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

Path from WRUR‐FM to its 60 dBu Contour on Azimuth toward WBFO

Page 20: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 21: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 22: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 23: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 24: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 25: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial
Page 26: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

TV I t fTV InterferenceEnvironmental Noise – DTV pixilation – black screenEnvironmental Noise  DTV pixilation  black screenLow Band channels (2‐13) weaknessRepacking  Telco Interference Repacking, Telco Interference No protection proposed for LPTVLongley‐Rice – OET‐69 ‐ kwx points are thrown out Longley‐Rice – OET‐69 ‐ kwx points are thrown out Co‐channel – unusual prpagationNoisy kidsNoisy kids

Page 27: State of AM, FM and TV Bands - V-Soft Communications · State of AM, FM and TV Bands yAM ‐Freeze on New Apps yAM ‐Minor Changges are allowed yFM ‐NCE, LPFM and New Commercial

Doug VernierV soft CommunicationsV‐soft CommunicationsTelecommunications Consultantsdvernier@v‐soft.com