Questions on Telepath Corporation database entry

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kma371

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You got a lot of time on your hands dont you?

Can you show me where I said the site was in Morgan Hill?
If you are talking about the GPS location, it defaults to the center of the county it's assigned.

As I said before, if you theres a better match, submit it. I havent read this thread since my last post so I don't scour threads looking for DB updates. Plus it keeps a better log. Thx
 

b52hbuff

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You got a lot of time on your hands dont you?

Not as much as you might think. While I am hugely grateful for all of the work that you, and others (mtindor, vince48, Eric Cottrell) and others have invested in getting this entry to its current state. I would also like to add my contribution to help get it into better shape.


Can you show me where I said the site was in Morgan Hill?
If you are talking about the GPS location, it defaults to the center of the county it's assigned.

The only thing I have to go on is what I can find in the forums, wiki and database. In this case, the site location was listed in the database.


As I said before, if you theres a better match, submit it. I havent read this thread since my last post so I don't scour threads looking for DB updates. Plus it keeps a better log. Thx

I'm not asking you to update the database. I'm respecting the work that you and others have put into it. I'm just asking you (and others) to review the steps to see if it made sense. If it does, then when I get some free time, I'll submit it. The db has been it its current state for six months or more, it won't matter if it takes another six to get it updated.

And just to be accurate, sometimes information from threads are incorporated into the db. Once again, not concerned that these discussions are part of the db, but I know it does happen...

As seen in another thread...
It was just updated based on that info.
 

kma371

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Not as much as you might think. While I am hugely grateful for all of the work that you, and others (mtindor, vince48, Eric Cottrell) and others have invested in getting this entry to its current state. I would also like to add my contribution to help get it into better shape.




The only thing I have to go on is what I can find in the forums, wiki and database. In this case, the site location was listed in the database.




I'm not asking you to update the database. I'm respecting the work that you and others have put into it. I'm just asking you (and others) to review the steps to see if it made sense. If it does, then when I get some free time, I'll submit it. The db has been it its current state for six months or more, it won't matter if it takes another six to get it updated.

And just to be accurate, sometimes information from threads are incorporated into the db. Once again, not concerned that these discussions are part of the db, but I know it does happen...

As seen in another thread...

Wow, you really do have a lot of time on your hands. To research when I have replied to a thread saying that I have updated the DB haha.

And I assure you, the DB hasn't been in its current state for 6 months. Just because an actual update hasnt taken place, doesn't mean steps haven't been taken to make sure the existing info remained accurate. I'm constantly reviewing the control channels data for changes to LCNs, color codes, site neighbors etc.
 

b52hbuff

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Wow, you really do have a lot of time on your hands. To research when I have replied to a thread saying that I have updated the DB haha.

Didn't have to look it up. Just remembered it from doing some research on Monterey 700MHz system. Just luck I guess...

But sniping at each other isn't going to help get Telepath entry cleaned up...

I did some research based on mtindor's notes. I have a better understanding of what happens in a network map. Here is one of the threads:
https://forums.radioreference.com/v...tware/350619-dsdplus-network-repater-map.html

...so you and others have captured these network maps. Do you have site reports for the non-California transmitter sites from members that monitored those frequencies? Or is the database just based on network maps?


I am trying to reconcile an entry like this one for Site 23:
https://www.radioreference.com/apps/db/?siteId=31858

There is only one frequency and there is no license for San Francisco.
https://www.radioreference.com/apps/db/?freq=462.1625&action=sf&stid=6
...there are frequencies listed for Telepath in Tulare, but I don't think you could hear them from SF.

So any information on how this entry came to be in the db would be greatly appreciated. I want to know if this entry was actually monitored from SF, or if the information was derived from information obtained via the network repeater list.

And I assure you, the DB hasn't been in its current state for 6 months. Just because an actual update hasnt taken place, doesn't mean steps haven't been taken to make sure the existing info remained accurate. I'm constantly reviewing the control channels data for changes to LCNs, color codes, site neighbors etc.

Sorry. I may have misread the change log then. Once again, appreciate all of the hard work you've put into this system. But from the change log, it looks like Site 23 hasn't been updated since 4/30/18. The changelog is truncated at 4/9, so any changes to Site 1 or 2 had to take place before then. So those sites appear to have been in their current state since 4/9 or later.

https://www.radioreference.com/apps/db/?sid=7830&tab=reports#history

Updated encryption settings for 1 talkgroups(Apple - Culver City Campus (California)) LAflyer 2018-09-23 18:28:28
Changed Site # 013 (Site 13 - Bay Area) to 013 (Site 13 - Bay Area) kma371 2018-08-11 10:16:00
Changed Site # 029 (Site 29 - South Bay Area?) to 029 (Site 29 - Central Valley) kma371 2018-08-02 05:02:25
Updated encryption settings for 1 talkgroups(Apple - Elk Grove Campus (California)) kma371 2018-07-21 20:20:26
Updated encryption settings for 1 talkgroups(Apple - Elk Grove Campus (California)) kma371 2018-07-21 20:20:22
Updated Function Tag assignments for 2 talkgroups(Apple - Elk Grove Campus (California)) kma371 2018-07-21 20:20:15
Updated Function Tag assignments for 3 talkgroups(Apple - Elk Grove Campus (California)) kma371 2018-07-21 20:20:11
(4) Talkgroups Updated (Apple - Elk Grove Campus (California)) kma371 2018-07-21 20:20:05
(5) Talkgroups Updated (Apple - Elk Grove Campus (California)) kma371 2018-07-21 20:19:29
Imported Talkgroups (4 Imported, 0 Updated) kma371 2018-07-21 20:19:06
Updated Sites kma371 2018-07-16 04:25:11
Changed Site # 037 (Bald Mountain) to 037 (Bald Mountain) kma371 2018-07-16 01:37:39
Updated encryption settings for 1 talkgroups(Apple - Corporate Campus (California)) kma371 2018-06-23 12:18:03
Updated encryption settings for 1 talkgroups(Apple - Corporate Campus (California)) kma371 2018-06-23 12:15:28
Changed Site # 018 (Black Mountain) to 018 (Black Mountain) kma371 2018-05-29 20:04:34
Changed Site # 016 (Monument Peak) to 016 (Monument Peak) kma371 2018-05-29 20:02:54
Changed Site # 033 (Mt Oso) to 033 (Mt Oso) kma371
2018-04-30 21:54:15 Changed Site # 018 (Black Mountain) to 018 (Black Mountain) kma371 2018-04-30 21:48:35
Changed Site # 023 (Bay Area) to 023 (Site 23 - Bay Area) kma371 2018-04-18 21:13:31
Changed Site # 023 (Site 23) to 023 (Bay Area) kma371 2018-04-18 21:13:10
Added Site # 23 (Site 23) kma371 2018-04-18 21:12:35
Changed Site # 023 (Apple (Mesa, AZ)) to 023 (Apple (Mesa, AZ)) kma371 2018-04-16 22:15:53
Changed Site # 023 (Apple - (Mesa, AZ)) to 023 (Apple (Mesa, AZ)) kma371 2018-04-16 20:25:59
Changed Site # 023 (Apple - Mesa Command Center) to 023 (Apple - (Mesa, AZ)) kma371 2018-04-16 20:25:47
Changed Site # 023 (Site 23 - Bay Area) to 023 (Apple - Mesa Command Center) kma371 2018-04-16 20:25:16
Changed Site # 009 (Site 9 - Bay Area) to 009 (Site 9 - Bay Area) kma371 2018-04-12 16:35:58
Deleted Site # 012 (Site 12 - Bay Area) kma371 2018-04-10 03:34:01
Changed Site # 018 (Black Mountain) to 018 (Black Mountain) kma371 2018-04-10 03:18:42
Changed Site # 035 (San Andreas) to 035 (San Andreas) kma371 2018-04-09 21:34:07
Changed Site # 034 (Mt Bullion) to 034 (Mt Bullion) kma371 2018-04-09 21:33:40
 
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mtindor

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I am trying to reconcile an entry like this one for Site 23:
https://www.radioreference.com/apps/db/?siteId=31858

There is only one frequency and there is no license for San Francisco.
https://www.radioreference.com/apps/db/?freq=462.1625&action=sf&stid=6
...there are frequencies listed for Telepath in Tulare, but I don't think you could hear them from SF.

So any information on how this entry came to be in the db would be greatly appreciated. I want to know if this entry was actually monitored from SF, or if the information was derived from information obtained via the network repeater list.

B52: Are you really expecting Bill to have to explain all of the findings and results he posts to the database. The job of an admin is not to explain these things to anyone and everyone who asks. The admin collects submissions from users and from data they obtain themselves -- they then go over it and decide what's valid / invalid / probably or likely and act accordingly by modifying the database.

And do you know that Bill was in SF when he monitored site 23? He might be in one county one day, and ten countys away the next. Before network maps ever came along, he had at least some information logged for nearly all of the sites just based upon his personal monitoring. I guess he gets around. We should be glad he does.

Instead of sniping at him, how about clicking on the Submit button and submitting changes you think should be made [with the understanding that there is no guarantee that anything in the database is going to be presented exactly how you want it].

Admins are not required to watch forums for information. Submissions are to be made to the database using the Submit button.

Mike
 

kma371

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I believe I'm the only one who has captured the system maps because no one else has mentioned it. It maps sites for the entire network, no matter what state it's located in.

Site 23 was montiored from downtown SF. See post 11. May be an old UCSF site as there is a license match.
 

kma371

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You are too much.

I noticed you went back in and edited your comment to explain further that I could possibly be wrong or that my information was incorrect so I'm going to add to what I posted earlier.

Just because there isn't a change in the actual changelog doesn't mean things weren't updated or monitored for potential changes. If I monitor a site to verify the information is still accurate in the database that's an update. just because nothing changed doesn't mean anything. It's still an update in the sense of the information was again verified.

I'm done. Your attitude and demeaning way in which you come across is not appreciated.
 

b52hbuff

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Bill,
Thanks for taking the initiative to take information in this thread and incorporate it into the Telepath Database entry. It shows just how passionate you are about keeping the entry updated.

Based upon a network map broadcast ...dioreference.com/apps/db/?fccCallsign=WQRB342
…shows as canceled on 8/13/2018. But as we know, licensees can use frequencies even when their license is expired or otherwise invalid. I looked around and found this license:
https://www.radioreference.com/apps/db/?fccCallsign=WQRE719
…it looks promising, because it has our favorite contact:
http://wireless2.fcc.gov/UlsApp/UlsSearch/license.jsp?licKey=3471709

Telepath Corporation
GARY HENRIQUES
49111 Milmont Drive
Fremont, CA 94538

So armed with this data, I took a drive down to Evergreen Community College and took a short stop-over at San Jose City College. I didn't hear anything on any of those frequencies. I took much better notes at Evergreen and spent more time there than I did at City College. So please take my City College information with a grain of salt until I can confirm.

Anyway, I was parked here:
https://www.google.com/maps/place/EVC+Parking/@37.2993976,-121.7655184,610m/data=!3m1!1e3!4m13!1m7!3m6!1s0x808e2c35ea998ead:0xd13a6ca980e809bb!2s3095+Yerba+Buena+Rd,+San+Jose,+CA+95135!3b1!8m2!3d37.3001189!4d-121.7627821!3m4!1s0x808e2dd0294aedf7:0xb47c1105f69a9735!8m2!3d37.2986436!4d-121.7658439

And here are my notes:
From S20 Details
Manually held on 484.1625 and no CC or traffic heard
Manually held on 453.425 and no CC or traffic heard
Manually held on 453.625 and no CC or traffic heard
…so strongly suspect EVCC isn't Site 20

From Site 19 Details
Manually held on 488.5125 and no CC or traffic heard
Manually held on 453.200 and no CC or traffic heard
Manually held on 460.5875 and no CC or traffic heard
…so strongly suspect EVCC isn't Site 19

And just to make sure, I did a band search from 450-490MHz. And here is what I did hear:

Currently 464.45 / CC 13 / 10Ch / voice is coming in five bars at EVCC parking lot. But no control channel is monitored.
464.45/CC13/LCN6 is part of S16/Monument Peak
464.45/CC13/LCN12 is part of S13/Bay Area
464.45/CC13/LCN6 is part of S17/Loma Prieta

Manually scrolling through all channels of S13, no CON+ CC.
Manually scrolling through all channels of S20, no CON+ CC.

489.1625/CC15/tgid 791/uid 8631 5 bars
Control Channel
Carrying Apple security TGID traffic RSSI -85dBm
Identified/confirmed as part of S16/Monument Peak

Nothing else with a system ID of 268 (decimal) or 10Ch (as Uniden displays it in hex) was monitored from my location at EVCC.

Conclusions:
So I don't think there is any active Telepath site at EVCC.
The only Telepath site I could monitor from that location was from:
Site 16 / Monument Peak
https://www.radioreference.com/apps/db/?siteId=22772
I monitored some Apple Security traffic, so inigo88's theory about Apple "campus" radios allowed to roam on wide coverage sites appears to be valid.

I intend to be more thorough with a visit to San Jose City College today, but I'm pretty sure there won't be any active control channel at that site either. I scanned frequencies from Site 19 & 20 and I don't think there was any control channel or traffic observed.

For anyone participating on this thread, if you have some educated guesses about where these sites may be located and which licenses may be applicable, please share your ideas and I'll go out there and see if I can locate these missing sites.
 
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b52hbuff

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Update for my trip to San Jose City College yesterday.

Pulled over into this lot:
https://www.google.com/maps/place/Staff%2FStudent+Parking+Lot+S,+San+Jose,+CA+95128/@37.3160005,-121.9309716,595m/data=!3m1!1e3!4m12!1m6!3m5!1s0x808fcb3660aced7d:0x5388cde1d3b9f382!2sSan+Jose+City+College!8m2!3d37.3150918!4d-121.9275386!3m4!1s0x808fcb373380dbe5:0x39da5a3c68ea3266!8m2!3d37.3160005!4d-121.9299341

And tried listening for control channels.

From Site 20 Page:
https://www.radioreference.com/apps/db/?siteId=26993
484.1625 Nothing heard
452.425 Nothing heard
453.625 Nothing heard
460.5875 Nothing heard
453.200 Nothing heard

From WQRE719
https://www.radioreference.com/apps/db/?fccCallsign=WQRE719
Updated license for San Jose Evergreen Community College District
463.65 Nothing heard
452.2125 Nothing heard
464.7625 Nothing heard
463.4125 Nothing heard

Nothing heard means no control channel or no digital voice.

I did a band scan from 450-490MHz, and found:
Code:
Frequency	CC	Site		Tgid	Uid	mtaches
451.10c		11	17	-96	101	1006	S17
463.3375	7					S18
463.600		13		-50	383, 809	S17
452.3625	12					
489.1625	15		-85			S16
461.9125	6		-109			S18
464.45		13					S16

451.10c was monitored as a control channel. All other frequencies were digital voice channels. CC -> color code. And negative numbers are -dBm.

…so my conclusion is that there is no Telepath site at San Jose City College.

And my offer still stands, provide some educated guesses as to where you think these sites may be located and I'll take a look. I'm hoping we can provide enough data to either update the sites with actual geographic location if they exist, or remove them if we can confirm that they are not online.

So I am also interested to know if the frequencies for Sites 19 and 20 were actually monitored, or were they added to the database solely on their presence in the network map captured from the control channel data stream?
 

kma371

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So I am also interested to know if the frequencies for Sites 19 and 20 were actually monitored, or were they added to the database solely on their presence in the network map captured from the control channel data stream?

I already answered that question.
 

b52hbuff

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Emphasis added...
The point being that the network map tells you a lot. However, there are some things that are not etched in gold with a network map

  • The network map indicates sites configured "in the system"
  • One or more of those sites may not be online at the time of the network map broadcast
  • One or more of the sites may never be online
  • If a site is online, it may not be actively using all of the frequencies listed in the network map
- no need for 10 repeaters / 20 talkpaths when 3 repeaters will do
- a repeater may be down because of failure

I'm curious how entries like Site 19/20 get into the system?
TelePath Corporation Trunking System, Various, Multi-State - Scanner Frequencies
...there is absolutely no geographical information. I guess I could infer they are Bay area sites, given the neighbors.

Site 19 lists 488.5125 as a control channel:
California Scanner Frequencies and Radio Frequency Reference

...did someone actually monitor a control channel on this frequency? Or did 488.5125 show up as part of the data stream of a neighboring site? And in either case, the search shows that there is only one licensee in California and it isn't Telepath or Apple…
Based upon a network map broadcast (along with likely personal monitoring) that indicates all of the frequencies assigned to that site as of the time the network map was obtained. Those particular sites are:

19 SJECCD - SAN JOSE CITY COLLEGE OR EVERGREEN COMMUNITY COLLEGE (San Jose, CA / Santa Clara)
WQRB342 SAN JOSE EVERGREEN COMMUNITY COLLEGE DISTRICT
WQHU695 SAN JOSE EVERGREEN COMMUNITY COLLEGE DISTRICT

20 SJECCD - EVERGREEN COMMUNITY COLLEGE OR SAN JOSE CITY COLLEGE (San Jose, CA / Santa Clara)
WIJ225 SAN JOSE EVERGREEN COMMUNITY COLLEGE DISTRICT
WQRB342 SAN JOSE EVERGREEN COMMUNITY COLLEGE DISTRICT

They aren't listed in the DB as SJCC or ECC because from the licenses and the way frequencies are assigned to teh sites it isn't possible to determine which site is SJCC and which is ECC. Only being on site / near would allow somebody to determine that.



You are correct -- It isn't Apple or Telepath but rather SJECCD. But they are [or were at the time of a network map was broadcast / captured earlier this year].

As mentioned in a previous post, there were many UCSF sites as well -- but some or all of them have disappeared over time.

mike




So I am also interested to know if the frequencies for Sites 19 and 20 were actually monitored, or were they added to the database solely on their presence in the network map captured from the control channel data stream?
I already answered that question.

Site 23 was montiored from downtown SF. See post 11. May be an old UCSF site as there is a license match.

I've looked back into the thread, and I can't find any reference to where Site 19 (San Jose, Evergreen CC) and Site 20 (San Jose, SJ City College) were actually monitored. mtindor says that these sites were likely monitored, but I didn't see any confirmation. It seems like they may have been installed in the database based on information collected via a network map.

Assuming that these two sites were actually live at one point in time, given what mtindor has said, at what point should their entries be removed from the database?
 

mtindor

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Assuming that these two sites were actually live at one point in time, given what mtindor has said, at what point should their entries be removed from the database?

If it were me, in Ohio, I certainly wouldn't remove them just because they don't appear active anymore -- as long as they are still showing in the latest network map. It is much much better to have something listed that might not be online, than to not have 99% listed because nobody bothered to confirm it.

I have no clue if those sites were ever monitored directly and verified. But I know that the vast majority were indeed monitored directly and verified. Those sites might be offline because they are being reconfigured. Or they might be offline with plans on them coming online in the future. To me it doesn't hurt at all to have them in there.

It's so simple -- if you can't pick them up, listen to a site that you can pick up. Instead of identifying new information that isn't in the DB (talkgroups for example), you're going through scrutinizing what is in there. That's a huge system. Those interested in monitoring it should consider themselves very fortunate that a business radio system like that is in the database, so complete, with every site (at least every "live" site) completely ready to scan. If you look around the US, there are very few wide area systems as complete as that one.

Mike
 

vince48

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"Those interested in monitoring it should consider themselves very fortunate that a business radio system like that is in the database, so complete, with every site (at least every "live" site) completely ready to scan. If you look around the US, there are very few wide area systems as complete as that one.

Amen mtindor
 

b52hbuff

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I have no clue if those sites were ever monitored directly and verified. But I know that the vast majority were indeed monitored directly and verified. Those sites might be offline because they are being reconfigured. Or they might be offline with plans on them coming online in the future. To me it doesn't hurt at all to have them in there.

It's so simple -- if you can't pick them up, listen to a site that you can pick up. Instead of identifying new information that isn't in the DB (talkgroups for example), you're going through scrutinizing what is in there. That's a huge system. Those interested in monitoring it should consider themselves very fortunate that a business radio system like that is in the database, so complete, with every site (at least every "live" site) completely ready to scan. If you look around the US, there are very few wide area systems as complete as that one.

Mike


I'm not complaining that I don't have anything to listen to. I am simply trying to verify the information that is there, based on what you can actually monitor. Everyone enjoys the hobby in their own way. My interest is trying to figure out how the system is put together. Listening to most IG traffic can be pretty mundane. But I realize everyone enjoys the hobby in their own way.

So to keep advancing this thread with practical information...

I went up to 507 Crestview Drive in San Carlos on October 4th:
https://www.google.com/maps/place/5...b4cd7ca41a50c!8m2!3d37.4912168!4d-122.2916611

The vantage point provides some elevation and an opportunity to increase range of coverage.


Scanning known frequencies and then a 450-490MHz band search yields:
Code:
Frequency	CC	Site		Matches
483.750c	7	14	-45	S14 Mt. Tam
451.1125c	3	15	-115	S15 Mt. Diablo
461.8375c	0	21	-55	S21 Grizzly Peak
451.850c	4	22	-45	S22 San Bruno
489.1625c	15	16	-45	S16 Monument Peak
489.2125c	12	13	-106	S13 Twin Peaks

450-490 Band Search
452.750		8	S16 Monument Peak
462.1625c	8	S23 Downtown SF

So the elusive S19 and 20 appear to still be offline, but I can confirm the others.


p.s. Appreciate the work that has gone into adding FCC licenses to the various DMR/SMR sites in the Bay Area. I will contribute some FCC license analysis in a bit, starting with Site 18.
 
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Stealthguy05

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I do want to bring up that San Jose-Evergreen PD is now using SVRCS for their traffic in case that makes a difference...
 

b52hbuff

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I do want to bring up that San Jose-Evergreen PD is now using SVRCS for their traffic in case that makes a difference...

Thanks for pointing that out. I just happened to be monitoring SVRCS the other day and heard their traffic. Glad that system is so well maintained the RRDB.
 

b52hbuff

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I am glad to see that FCC licenses are being added to the Telepath system. My concern is that some of the new data doesn't seem to be consistent. I would typically expect to be some thread of licensee or even geography. Some of the recent data added appears to be unrelated.

During our last discussion on the topic we learned that Apple and Telepath were related. And we verified this relationship by looking into the FCC license. These licenses shared a common contact (e.g. Telepath), even though the licensee was Apple and not Telepath.

As I dug into some of these sites, I became concerned because I could not monitor frequencies that were advertised in the database. I went so far as to sit in the possible shadow of the purported licensee and heard nothing. I've done this for at least two sites in the system. It gives me the feeling that this information was added to the RRDB on the basis of a network map and not actual monitoring at the site. These listings are now advertised as "off line"

One recent example of a site in question is Site 32, South Bay Area:
Site 32 - South Bay Area Site Details (TelePath Corporation)

I am less than 10 miles away from the transmitter site in Palo Alto, and I can't hear either of the control channels. My radio is configured straight from the RRDB/Sentinel database. I am holding on the site, and the radio is configured for ID search. The radio doesn't pick up either of the control channels.

The site's database entry recently came to my attention, because it recently received two database updates to add Site FCC licenses. The curious thing about these licenses is that they are located 27 miles apart, and one of the frequencies is listed as belonging to RFC Wireless.

Site 32 - South Bay Area Site Details (TelePath Corporation)

It is difficult to display formatted tabular data using the formatting codes available on the site. I have created a table that should help illustrate my thought and concern. The table is in the PDF document attached to this post. I started with the Site Frequency Table for Site 32, and modified it to show how the licenses relate to the frequencies listed.

Any underlined entry is a URL that points back into RR.com. The frequency column will do an FCC search for that frequency in California. The Bay area is composed of several counties and I didn't want to miss something if it showed up in a nearby county. The FCC licenses point back into license entries in RR.com.

The geo coordinates point back into the FCC search by location. I find it useful to see if there may be any nearby licenses under a different name that may satisfy a license search.

So in the case of Site 32, I understand that maybe Telepath got a frequency from RFC wireless. But my concern is that the frequency listed is show in use 27 miles away. The one frequency that isn't covered by the two site licenses (WPPZ976 and WRAB529) and is missing a license (483.7125) could be covered by a third license, but the licensee would be to a third entity (Andersen, Kevin A.)

Telepath has at least nine other frequencies in WRAB529 to assign to site 32. If it was active, why would they need to get frequencies from someone else?

It gives me the feeling that his site may be "offline" or perhaps never monitored? Can someone please check my work or let me know where this site was monitored, and I'll go out to verify?
 

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