[Noisebridge-discuss] 96.1 MHz, 96.9 MHz, 102.5 MHz = 3 possible freqs avail for NB radio - Re: Radio FCC says no freqs available in SF unless use special considerations - Re: Frequency Survey.

giovanni_re john_re at fastmail.us
Mon Oct 21 03:43:04 UTC 2013


On Sun, Oct 20, 2013, at 07:59 PM, giovanni_re wrote:
> On Sun, Oct 20, 2013, at 06:25 PM, Norman Bradley wrote:
> > A couple of weeks ago I distributed some FM Radio Frequency Survey 
> > sheets. We are getting down to crunch time and I need the information 
> > for our filing. If you have done a survey please send me a message 
> > telling me where you were (pryankster at gmail.com). Currently I only 
> > have data from Telegraph Hill. I will collect the completed sheets at 
> > the Tuesday meeting.
> > 
> > I'm trying to avoid duplicating work but if I don't hear about a hill 
> > top being visited I'll need to spend most of Tuesday bouncing around the 
> > City.
> 
> 
> Norman, what do you conclude about the below info:
> 
> Summary:  FCC search says no channels available under current rules,
> 3 channels available but only with not yet implemented rules.
> 
> Thoughts???
> 
> 
> Using Sutro tower centeral to SF coordinates:
> Latitude, Longitude: 37° 45' 19", 122 26' 6"
> 
> 
> 
> =====  1) FAIL - No channels available
> http://transition.fcc.gov/fcc-bin/lpfm_channel_finder?dlat=37&mlat=45&slat=19&dlon=122&mlon=26&slon=6&detail=0&x2nd=0&xif=0
> "
> Sun Oct 20 22:41:19 2013
> Input options:
> INCLUDES second-adjacent channel spacings INCLUDES intermediate
> frequency (I.F.) spacings
> 
> Latitude, Longitude: 37° 45' 19", 122 26' 6"
> 
> Google Map: 5.6 km radius (approximate 60 dBu service contour coverage)
> 
> FAIL. The requested latitude and longitude do not meet the LPFM spacing
> requirements on ANY channel. In addition, there are no LP100 channels
> available anywhere within 10 kilometers ( 6 miles).
> "
> Sutro tower
> 
> 
> 
> =====  2)  3channels possibly available, but only with " These proposed
> spacing rules are not yet in effect."
> http://transition.fcc.gov/fcc-bin/lpfm_channel_finder?dlat=37&mlat=45&slat=19&dlon=122&mlon=26&slon=6&detail=0&x2nd=1&xif=1
> 
> "
> Special search options:
> 
> Second adjacent channels: An LPFM application must satisfy minimum
> distance separation requirements to stations operatingon and
> applications proposing operations on second-adjacent channels. The Local
> Community Radio Act authorizes the Commission to waive
> thesecond-adjacent channel protection requirement and the Commission has
> under consideration proposed waiver standards.
> 
> Include (more restrictive) Exclude Second-adjacent channel distance
> separation requirements to authorized stations and pending applications
> 
> Intermediate Frequency (I.F.) channels: An LPFM application must satisfy
> minimum distance separation requirements to stations operatingon and
> applications proposing operations on intermediate frequency (IF)
> channels. The Commission has under considerationa proposalto
> eliminatethisrequirementforLPFM applications proposing operations at
> less than 100 watts effective radiated power.
> 
> Include (more restrictive) Exclude I.F. channel distance separation
> requirements to authorized stations and pending applications
> "
> 
> 
> "
> Sun Oct 20 22:46:57 2013
> Input options:
> EXCLUDES second-adjacent channel spacings EXCLUDES intermediate
> frequency (I.F.) spacings
> 
> Latitude, Longitude: 37° 45' 19", 122 26' 6"
> 
> Google Map: 5.6 km radius (approximate 60 dBu service contour coverage)
> 
> 
> 
> CONDITIONAL. The requested latitude and longitude meet the PROPOSED LPFM
> spacing requirements for one or more second adjacent and/or intermediate
> frequency (I.F.) channels.
> 
> These proposed spacing rules are not yet in effect.
> 
> Channels Available for LPFM LP100 Stations [Channels 201 to 300,
> corresponding to 88.1 to 107.9 MHz]
> 
> Channel 241 ---- 96.1 MHz 
> Channel 245 ---- 96.9 MHz 
> Channel 273 ---- 102.5 MHz
> 
> 
> This analysis does not determine whether an LPFM station at this
> location and channel might receive interference within its 60 dBu LPFM
> service contour from FM broadcast stations already operating or
> authorized in the band from fully spaced locations. LPFM stations must
> accept all such interference.
> 
> 
> Because the FM database constantly changes, there is no guarantee that
> channels represented as "available" will be technically acceptable at
> the time of application filing.
> 
> Available Channels Interference Analysis
> 
> This section considers the acceptable LPFM-use channels listed above,
> and determines which of these channels will be less likely to suffer
> interference from existing or authorized stations. This analysis only
> considers spacing, and assumes that the interfering stations are
> operating with the reference facilities for the FM station's class.
> While helpful, the results shown below should not take the place of a
> thorough analysis of all options by a broadcast consulting engineer.
> 
> If interference is possible, the following table will contain: Call Sign
> of the interfering station Channel of that station Channel
> relationships: Same channel OR First-adjacent channel OR Second
> -adjacent channel Actual separation (in km) Minimum Separation for no
> interference within the 60 dBu contour (based on reference facilities
> and flat terrain)
> 
> Channel 241 KYMX 241 Same channel (cochannel) 124.6 km actual 143.0 km
> for no interference KSQQ 241 Same channel (cochannel) 84.6 km actual
> 92.0 km for no interference
> 
> Channel 245 KSEG 245 Same channel (cochannel) 129.8 km actual 143.0 km
> for no interference
> 
> Channel 273 KSFM 273 Same channel (cochannel) 111.5 km actual 143.0 km
> for no interference KDON-FM 273 Same channel (cochannel) 138.4 km actual
> 143.0 km for no interference
> 
> A simple test for potential interference is to tune a radio to the
> channel or frequency under consideration, while at the proposed
> transmitter site. If a station can be heard, you should expect that
> coverage from an LPFM station may be diminished. Interference to the
> LPFM station could occur at some future date should the listed FM
> station increase its facilities to the maximums permitted for the
> station's class.
> "
> 
> 
> 
> 
> 
> Use the fcc url to see the below list with one station per line:
> 
> "
> FM, FM Translator & Booster, and TV Channel 6 Stations Considered in
> this Analysis
> 
> (Stations marked with an asterisk provide Radio Reading Service and must
> be protected on third adjacent channels.)
> 
> KBKF-LP 6 TX SAN JOSE CA US N 37 6 39 W 121 50 37 88.63 km away at
> 324.10° T K201BV 201 D FX BENICIA-MARTINEZ CA US N 38 0 25 W 122 8 34
> 37.96 km away at 222.59° T KEAR-FM 201 B FM SACRAMENTO CA US N 38 14 50
> W 121 30 3 98.56 km away at 236.53° T KECG 201 D FM EL CERRITO CA US N
> 37 54 20 W 122 17 34 20.86 km away at 216.82° T KZSC 201 B FM SANTA CRUZ
> CA US N 37 0 10 W 122 3 4 90.17 km away at 338.05° T KZSC 201 B FM SANTA
> CRUZ CA US N 37 0 10 W 122 3 4 90.17 km away at 338.05° T KWTF 201 A FM
> BODEGA BAY CA US N 38 21 43 W 122 58 43 82.53 km away at 144.63° T KSRH
> 201 D FM SAN RAFAEL CA US N 37 58 16 W 122 30 47 24.92 km away at
> 164.04° T KQED-FM 203 B FM SAN FRANCISCO CA US N 37 41 23 W 122 26 13
> 7.28 km away at 1.34° T KXPR 205 B FM SACRAMENTO CA US N 38 16 25 W 121
> 30 11 100.04 km away at 235.07° T K205BM 205 D FX SAN RAFAEL, ETC. CA US
> N 37 45 19 W 122 27 6 1.47 km away at 89.99° T KXPR 205 B FM SACRAMENTO
> CA US N 38 30 42 W 121 10 14 139.06 km away at 233.14° T KUSP 205 B FM
> SANTA CRUZ CA US N 36 32 5 W 121 37 14 153.57 km away at 332.24° T KBBF
> 206 B FM CALISTOGA CA US N 38 39 23 W 122 36 54 101.26 km away at
> 171.02° T KCEA 206 A FM ATHERTON CA US N 37 29 32 W 122 16 28 32.45 km
> away at 334.25° T KOHL 207 A FM FREMONT CA US N 37 32 14 W 121 54 14
> 52.75 km away at 297.57° T KMTG 207 A FM SAN JOSE CA US N 37 12 6 W 121
> 51 42 79.67 km away at 320.76° T NEW 207 A FM SANTA CRUZ CA US N 37 3 43
> W 122 7 14 81.83 km away at 340.28° T KARC 207 A FM MOSS BEACH CA US N
> 37 33 44 W 122 28 46 21.78 km away at 10.32° T NEW 207 A FM SCOTTS
> VALLEY CA US N 37 3 43 W 122 7 14 81.83 km away at 340.28° T DKYPI-FM
> 207 A FM PIERCE CA US N 38 5 53 W 122 5 59 48.13 km away at 217.75° T
> KPDO 207 A FM PESCADERO CA US N 37 15 11 W 122 24 37 55.78 km away at
> 357.77° T KPFB 207 A FM BERKELEY CA US N 37 52 20 W 122 16 18 19.37 km
> away at 227.86° T KSMC 208 A FM MORAGA CA US N 37 50 25 W 122 6 36 30.14
> km away at 251.79° T NEW 208 B FM DOS PALOS CA US N 36 59 54 W 120 54 10
> 159.61 km away at 302.33° T KYNJ 208 A FM TRACY CA US N 37 39 10 W 121
> 28 38 85.23 km away at 278.00° T KZCT 208 A FM VALLEJO CA US N 38 9 6 W
> 122 11 25 48.97 km away at 206.03° T KYNJ 208 A FM TRACY CA US N 37 40
> 27 W 121 29 3 84.32 km away at 276.45° T KPOO 208 A FM SAN FRANCISCO CA
> US N 37 47 33 W 122 24 52 4.51 km away at 203.59° T KLVM 209 B FM
> PRUNEDALE CA US N 36 45 22 W 121 30 6 138.39 km away at 323.65° T KCAI
> 209 B FM LODI CA US N 38 16 18 W 121 30 18 99.78 km away at 235.11° T
> KLVM 209 B FM PRUNEDALE CA US N 36 45 22 W 121 30 6 138.39 km away at
> 323.65° T KFJC 209 B1 FM LOS ALTOS CA US N 37 19 14 W 122 8 29 54.78 km
> away at 331.92° T KFER 210 A FM SANTA CRUZ CA US N 37 0 45 W 121 58 25
> 92.01 km away at 333.87° T KCRH 210 D FM HAYWARD CA US N 37 38 23 W 122
> 6 16 31.85 km away at 293.94° T K210EH 210 D FX BOLINAS CA US N 37 55 50
> W 122 43 9 31.69 km away at 127.91° T KDFC 210 B FM ANGWIN CA US N 38 40
> 9 W 122 37 53 102.89 km away at 170.36° T KYCC 211 B FM STOCKTON CA US N
> 37 57 30 W 121 16 55 103.95 km away at 257.78° T KBCZ 211 A FM BOULDER
> CREEK CA US N 37 8 31 W 122 5 16 74.68 km away at 335.90° T KZSU 211 A
> FM STANFORD CA US N 37 24 42 W 122 10 41 44.38 km away at 329.43° T KDVS
> 212 B1 FM DAVIS CA US N 38 35 47 W 121 40 49 114.41 km away at 215.43° T
> KOSC 212 B1 FM SAN FRANCISCO CA US N 37 51 4 W 122 29 50 11.97 km away
> at 152.82° T KVHS 213 A FM CONCORD CA US N 38 1 49 W 122 0 3 48.89 km
> away at 231.38° T KWMR 213 A FM POINT REYES STATION CA US N 38 4 48 W
> 122 51 57 52.29 km away at 133.56° T KSJS 213 A FM SAN JOSE CA US N 37
> 12 33 W 121 46 30 84.15 km away at 316.40° T KAIS 214 B1 FM TRACY CA US
> N 37 33 37 W 121 36 19 76.35 km away at 286.79° T KSRI 214 A FM SANTA
> CRUZ CA US N 37 0 10 W 122 3 5 90.16 km away at 338.06° T KALX 214 A FM
> BERKELEY CA US N 37 52 40 W 122 14 44 21.52 km away at 230.76° T * KXJZ
> 215 B FM SACRAMENTO CA US N 38 42 38 W 121 28 54 134.95 km away at
> 218.39° T KCSM 216 B1 FM SAN MATEO CA US N 37 32 8 W 122 20 0 25.98 km
> away at 339.91° T KSVY 217 A FM SONOMA CA US N 38 16 47 W 122 26 47
> 58.22 km away at 179.02° T KSVY 217 A FM SONOMA CA US N 38 13 56 W 122
> 29 47 53.21 km away at 174.19° T KDVZ 217 A FM POINT REYES CA US N 37 59
> 50 W 123 0 43 57.43 km away at 117.80° T KDVZ 217 A FM POINT REYES CA US
> N 37 59 45 W 123 0 9 56.62 km away at 118.06° T KUOP 217 B FM STOCKTON
> CA US N 37 28 48 W 121 21 2 100.50 km away at 288.10° T KASK 218 A FM
> FAIRFIELD CA US N 38 19 9 W 121 59 31 73.69 km away at 211.89° T KXCF
> 218 A FM MARSHALL CA US N 38 9 0 W 122 51 42 57.67 km away at 139.43° T
> KKUP 218 B1 FM CUPERTINO CA US N 37 6 40 W 121 50 36 88.62 km away at
> 324.07° T KALW 219 B1 FM SAN FRANCISCO CA US N 37 45 17 W 122 26 44 0.93
> km away at 86.19° T KLVR 220 B FM MIDDLETOWN CA US N 38 40 9 W 122 37 53
> 102.89 km away at 170.36° T K221DQ 221 D FX PETALUMA CA US N 37 50 57 W
> 122 29 56 11.84 km away at 151.72° T KKDV 221 A FM WALNUT CREEK CA US N
> 37 54 2 W 122 5 7 34.76 km away at 242.37° T KSJO 222 B FM SAN JOSE CA
> US N 37 12 32 W 121 46 27 84.22 km away at 316.38° T KFBK-FM 223 B FM
> SACRAMENTO CA US N 38 42 26 W 121 28 33 134.97 km away at 218.66° T NEW
> 224 D FX LAGUNITAS CA US N 38 1 37 W 122 42 55 38.95 km away at 140.76°
> T NEW 224 D FX LAGUNITAS CA US N 38 1 37 W 122 42 55 38.95 km away at
> 140.76° T KREV 224 A FM ALAMEDA CA US N 37 47 54 W 122 24 59 5.05 km
> away at 198.87° T KFGY 225 B FM HEALDSBURG CA US N 38 45 45 W 122 50 24
> 117.29 km away at 162.35° T KRZZ 227 B FM SAN FRANCISCO CA US N 37 41 13
> W 122 26 3 7.58 km away at 359.45° T KXZM 229 B1 FM FELTON CA US N 37 9
> 35 W 121 54 32 80.84 km away at 325.12° T KJZY 229 A FM SEBASTOPOL CA US
> N 38 25 7 W 122 40 33 76.60 km away at 163.98° T KPFA 231 B FM BERKELEY
> CA US N 37 51 55 W 122 13 12 22.53 km away at 237.14° T KBAY 233 B FM
> GILROY CA US N 37 12 32 W 121 46 27 84.22 km away at 316.38° T KYLD 235
> B FM SAN FRANCISCO CA US N 37 41 22 W 122 26 10 7.31 km away at 0.76° T
> KUIC 237 B1 FM VACAVILLE CA US N 38 23 44 W 122 5 56 76.94 km away at
> 202.56° T KRTY 237 A FM LOS GATOS CA US N 37 12 17 W 121 56 56 74.71 km
> away at 325.13° T KGMZ 239 B FM SAN FRANCISCO CA US N 37 41 23 W 122 26
> 12 7.28 km away at 1.15° T KSQQ 241 A FM MORGAN HILL CA US N 37 11 1 W
> 121 48 9 84.59 km away at 318.90° T KYMX 241 B FM SACRAMENTO CA US N 38
> 38 9 W 121 33 11 124.59 km away at 218.48° T KOIT 243 B FM SAN FRANCISCO
> CA US N 37 45 19 W 122 27 6 1.47 km away at 89.99° T KWAV 245 B FM
> MONTEREY CA US N 36 32 5 W 121 37 14 153.57 km away at 332.24° T KSEG
> 245 B FM SACRAMENTO CA US N 38 38 53 W 121 28 38 129.84 km away at
> 220.43° T KLLC 247 B FM SAN FRANCISCO CA US N 37 51 3 W 122 29 51 11.95
> km away at 152.65° T K249DJ 249 D FX SAN PABLO CA US N 37 57 29 W 122 18
> 41 25.00 km away at 205.74° T KFFG 249 A FM LOS ALTOS CA US N 37 18 27 W
> 122 5 41 58.09 km away at 329.03° T KVRV 249 B1 FM MONTE RIO CA US N 38
> 32 25 W 122 57 40 98.58 km away at 152.05° T KISQ 251 B FM SAN FRANCISCO
> CA US N 37 51 4 W 122 29 50 11.97 km away at 152.82° T KUFX 253 B FM SAN
> JOSE CA US N 37 12 17 W 121 56 56 74.71 km away at 325.13° T KRXQ 253 B
> FM SACRAMENTO CA US N 38 38 53 W 121 5 51 153.45 km away at 230.07° T
> KSOL 255 B FM SAN FRANCISCO CA US N 37 45 19 W 122 27 6 1.47 km away at
> 89.99° T KSQL 256 B FM SANTA CRUZ CA US N 37 6 39 W 121 50 37 88.63 km
> away at 324.10° T KVYN 257 A FM ST. HELENA CA US N 38 25 34 W 122 19 33
> 75.07 km away at 187.33° T KMVQ-FM 259 B FM SAN FRANCISCO CA US N 37 41
> 15 W 122 26 4 7.52 km away at 359.63° T KZST 261 A FM SANTA ROSA CA US N
> 38 25 7 W 122 40 33 76.60 km away at 163.98° T KBRG 262 B FM SAN JOSE CA
> US N 37 6 40 W 121 50 34 88.65 km away at 324.05° T KZZO 263 B FM
> SACRAMENTO CA US N 38 38 30 W 121 5 25 153.48 km away at 230.43° T
> KPRC-FM 264 B FM SALINAS CA US N 36 32 5 W 121 37 14 153.57 km away at
> 332.24° T KVVZ 264 A FM SAN RAFAEL CA US N 37 58 49 W 122 31 39 26.27 km
> away at 161.99° T KMIX 265 A FM TRACY CA US N 37 37 29 W 121 23 57 92.51
> km away at 279.37° T K265DI 265 D FX SAUSALITO CA US N 37 51 4 W 122 29
> 49 11.95 km away at 152.93° T KIOI 267 B FM SAN FRANCISCO CA US N 37 41
> 24 W 122 26 13 7.25 km away at 1.35° T KHTH 269 B1 FM SANTA ROSA CA US N
> 38 30 31 W 122 39 41 85.94 km away at 166.63° T K269FB 269 D FX
> SAUSALITO CA US N 37 51 4 W 122 29 50 11.97 km away at 152.82° T KKIQ
> 269 A FM LIVERMORE CA US N 37 35 42 W 121 39 42 70.51 km away at 284.91°
> T KUZX 271 B FM SAN FRANCISCO CA US N 37 51 3 W 122 29 51 11.95 km away
> at 152.65° T KDON-FM 273 B FM SALINAS CA US N 36 45 23 W 121 30 5 138.38
> km away at 323.64° T KSFM 273 B FM WOODLAND CA US N 38 35 20 W 121 43 30
> 111.50 km away at 214.03° T KWVF 274 A FM GUERNEVILLE CA US N 38 29 20 W
> 123 1 53 96.78 km away at 147.21° T KBLX-FM 275 B FM BERKELEY CA US N 37
> 41 20 W 122 26 7 7.37 km away at 0.19° T NEW 277 D FX BROADMOOR CA US N
> 37 33 44 W 122 28 46 21.78 km away at 10.32° T NEW 277 D FX BROADMOOR CA
> US N 37 33 44 W 122 28 46 21.78 km away at 10.32° T KATM 277 B FM
> MODESTO CA US N 37 34 30 W 121 21 13 97.49 km away at 282.22° T KOSF 279
> B FM SAN FRANCISCO CA US N 37 41 17 W 122 26 7 7.46 km away at 0.19° T
> KJOR 281 A FM WINDSOR CA US N 38 32 28 W 122 54 5 96.33 km away at
> 154.84° T NEW 281 D FX SAN FRANCISCO CA US N 37 45 19 W 122 27 6 1.47 km
> away at 89.99° T NEW 281 D FX SAN FRANCISCO CA US N 37 45 19 W 122 27 6
> 1.47 km away at 89.99° T KHKK 281 B FM MODESTO CA US N 37 39 10 W 121 28
> 38 85.23 km away at 278.00° T KFOG 283 B FM SAN FRANCISCO CA US N 37 45
> 19 W 122 27 6 1.47 km away at 89.99° T KXSC 285 A FM SUNNYVALE CA US N
> 37 19 22 W 121 45 15 76.97 km away at 308.91° T KMHX 285 B1 FM ROHNERT
> PARK CA US N 38 23 31 W 122 40 40 73.81 km away at 163.22° T KNCI 286 B
> FM SACRAMENTO CA US N 38 38 31 W 121 5 25 153.50 km away at 230.42° T
> KITS 287 B FM SAN FRANCISCO CA US N 37 41 20 W 122 26 7 7.37 km away at
> 0.19° T KSAC-FM 288 B1 FM DUNNIGAN CA US N 38 47 17 W 122 6 52 118.02 km
> away at 193.79° T KVVF 289 B FM SANTA CLARA CA US N 37 21 32 W 121 45 22
> 74.39 km away at 306.58° T KMEL 291 B FM SAN FRANCISCO CA US N 37 41 24
> W 122 26 13 7.25 km away at 1.35° T KTRY 292 A FM CAZADERO CA US N 38 29
> 20 W 123 1 53 96.78 km away at 147.21° T KEZR 293 B FM SAN JOSE CA US N
> 37 12 32 W 121 46 27 84.22 km away at 316.38° T KBZC 293 B FM SACRAMENTO
> CA US N 38 38 30 W 121 5 25 153.48 km away at 230.43° T KFRC-FM 295 B FM
> SAN FRANCISCO CA US N 37 51 4 W 122 29 50 11.97 km away at 152.82° T
> KLVS 297 B FM LIVERMORE CA US N 37 49 17 W 121 46 49 58.14 km away at
> 262.92° T KSAN 299 B FM SAN MATEO CA US N 37 41 20 W 122 26 7 7.37 km
> away at 0.19° T KDND 300 B FM SACRAMENTO CA US N 38 42 38 W 121 28 54
> 134.95 km away at 218.39° T
> 
> "
> 
> 
> 
> 
> 
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