Nashville Fire Encryption

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KN4EHX

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During most the rioting there was numerous mobiles and portables stolen from agencies many not recovered or not found when sniffed for on a system. They open the door in sense to them groups taking drastic measures and fail to realize these organizations are not just compiled of common jobless joe but former xyz with knowledge and ability. We had discussed this in a meeting regarding things and how encryption hampered a few inter agency mutual aides before.
Stealing a mobile usually isn’t an easy process, but of course it can be done. On a trunked system the administrator can zap a radio if it is necessary to protect the system. A legit subscriber radio makes its presence known. Handhelds can be GPS enabled. I believe it is also possible to make the radio transmit without the holder being aware although that is a feature and probably has to be purchased. If they plucked the radio they probably liberated the shotgun and / or rifle inside the car too.

As for people who are XYZ educated they would probably be more apt to using something like OP25 and a SDR to sniff more data than what a radio can provide. One day we will be back to carrier pigeons and numbers stations. Simply using digital comms is enough to knock out most listeners. Lots of Baofengs in the world.
 

INDY72

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And just like in Colorado, Little Rock, Birmingham, this will not change until leadership is changed. So never. Knoxville, Nashville, look at leadership, look at crime rates, look at ratings of worst places to live in USA. Yet they encrypt and hide more and more. Thank God that they are not talking encryption of the upcoming Memphis upgrade, and not talking it in Chattanooga either. YET!
 

CORN

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And just like in Colorado, Little Rock, Birmingham, this will not change until leadership is changed. So never. Knoxville, Nashville, look at leadership, look at crime rates, look at ratings of worst places to live in USA. Yet they encrypt and hide more and more. Thank God that they are not talking encryption of the upcoming Memphis upgrade, and not talking it in Chattanooga either. YET!
Glad I moved to Oklahoma. So far so good but like you said that could change.
 

FLPage

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I'm the person interviewed on the broadcast. Here is a copy of the email I sent to my Metro Council member after he sent me a "response" from someone at the NFD:

Dear Dave,

Thank you for pursuing this. Here is my line-by-line response to the information you received from someone at the Fire Department:

The Nashville Fire Department is encrypting our radio traffic for active incidents to better protect our personnel and the privacy of the people we serve.
(1) The privacy of EMS patients has already been preserved through encrypted channels for many years on the E-bank. More recently, the B-5 channel (communications between medics and supervisors) has been encrypted. I have no problem with any of this, especially in light of HIPAA regulations.
(2) Having spoken with many firefighters and officers, including some who were on the scene of the Christmas morning blast, I've not heard one person who felt threatened by anything someone may have heard on a radio transmission. Not one.

MNPD encrypted its radio channels a couple of years ago and numerous other Tennessee departments have done the same. <Encrypted Agencies - The RadioReference Wiki> These include Fairview Fire Department, Lebanon Fire Department, Lebanon Police Department, Williamson County EMA, Williamson County Sheriff and many others across the country.
(3) I disagreed with ALL of the MNPD channels going encrypted, too, for the same reasons mentioned to you earlier about transparency and accountability. As with NFD medic channels, I understand the need for encryption on the Detective, SWAT, Hostage Negotiation, Internal Affairs, and similar channels. These do protect officer safety and preserve the integrity of ongoing situations. But the regular precinct dispatch and patrol channels, no.
(4) It is true that some other FIRE Departments across the state have gone to full encryption. Using the list they cited, out of approximately 635 Fire Departments in Tennessee, 11 use full encryption and 11 more use partial encryption. A number of the other 600+ fire departments with whom I've spoken cite firefighter safety and accountability to the people they serve as the most important reasons they will not encrypt their radio transmissions.
(5) Throughout the United States (again, using the database NFD cited) there are only 153 Fire Departments that utilize full time encryption on all channels; that's out of approximately 29,705 departments nationwide in 2018. Of the top 50 cities by population (Nashville is #25), only Denver is fully encrypted.

Following the Christmas Day Bombing in Nashville, various internet sites were live streaming radio traffic during the active investigative work our personnel were helping the federal authorities complete.
(6) They have been doing so for at least the last ten years and the transmissions are rebroadcast (on a delay) from scanners that have been available to the public since the 1970s.
(7) The claim that the impetus for full-time encryption is due to the bombing is untrue. The decision to move toward full-time encryption was made well before the Christmas 2020 bomb blast. The only delay in implementing the decision was the necessity to replace most of the FD radios, both mobile and handheld, with new and more expensive radios that would allow for encryption (as well as GPS to locate the radio in an emergency, which is a good thing).

While the Christmas Day Bombing was the biggest event, it was not the first time that live streaming of radio communications has put the safety of our personnel and patient privacy in question.
(8) Patient privacy, yes (although there were no patients whose privacy needed protecting that day). But I challenge NFD Logistics (Brian Jones, commander), the division in charge of the radio shop and whom I believe to be the division driving this change to full-time encryption, to name another time that the safety of NFD personnel has been compromised by our tax-payers listening to radio transmissions either on-air or on-line. Again, please refer to my responses #1 and #2 above.

There is sensitive patient and victim information our personnel relay via radio during active incidents that we want to protect.
(9) Of course. And that's been done for years.

On our website there is a listing of active incidents that refreshes every five minutes. <Nashville > Fire Department > Operations Division > Active Incidents>
(10) If you look at this list of active incidents, you will note that only the first apparatus (out of anywhere between 1 and 10+ others dispatched) is listed. That alone makes this list essentially worthless to the public or to the media.

Radio traffic is still available to the public via applicable open records laws.
(11) Which is not the same as full-time or immediate transparency and does nothing for the many firefighters and their families and friends who want to keep up with their loved ones on duty.

Furthermore, our public information office is very responsive to media inquires during active incidents. This includes responding on nights, weekends and holidays.
(12) Joseph and Kendra do an excellent job. But their response to media inquiries is secondary to media and public knowledge of particular incidents.

The implementation of our encryption has started, and we will complete it at a date to be determined.
(13) What? So like it or lump it? Does Chief Swann, whom I truly believe has the best interests of the public and of his personnel at heart, know of and agree with all these claims?

So, I ask you, as my council member, to ask the whole Metro Council, and/or Mayor Cooper, to halt the final implementation of full-time encryption of the Fire Department until the advisability of such a move can be reviewed. As I've said to you before, I see no good reason why any of the currently monitorable Bravo Channels (Dispatch - B1, Special Operations - B2 & B4, or Tactical Operations - B6 through B15) should be switched to full-time encryption. And I question the need for encryption on the Delta Channels (PIO, Training Academy, Fire Inspectors, Box 55) that was implemented sometime last year. I can count, maybe on one hand, the number of times the Arson Investigators have even used their channel in the past ten years. We mostly used cell phones.

With the new Motorola radios, every channel can be set up for selectable encryption should the users decide that is necessary during a particular operation. A simple flip of a switch on the user's radio is all that's required.

Thank you, Dave, for your responsiveness to this concern. I share it with many NFD firefighters, their families, and their friends.

Fred L Page
NFD Arson Investigator, retired
 

WX4JCW

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I'm the person interviewed on the broadcast. Here is a copy of the email I sent to my Metro Council member after he sent me a "response" from someone at the NFD:

Dear Dave,

Thank you for pursuing this. Here is my line-by-line response to the information you received from someone at the Fire Department:

The Nashville Fire Department is encrypting our radio traffic for active incidents to better protect our personnel and the privacy of the people we serve.
(1) The privacy of EMS patients has already been preserved through encrypted channels for many years on the E-bank. More recently, the B-5 channel (communications between medics and supervisors) has been encrypted. I have no problem with any of this, especially in light of HIPAA regulations.
(2) Having spoken with many firefighters and officers, including some who were on the scene of the Christmas morning blast, I've not heard one person who felt threatened by anything someone may have heard on a radio transmission. Not one.

MNPD encrypted its radio channels a couple of years ago and numerous other Tennessee departments have done the same. <Encrypted Agencies - The RadioReference Wiki> These include Fairview Fire Department, Lebanon Fire Department, Lebanon Police Department, Williamson County EMA, Williamson County Sheriff and many others across the country.
(3) I disagreed with ALL of the MNPD channels going encrypted, too, for the same reasons mentioned to you earlier about transparency and accountability. As with NFD medic channels, I understand the need for encryption on the Detective, SWAT, Hostage Negotiation, Internal Affairs, and similar channels. These do protect officer safety and preserve the integrity of ongoing situations. But the regular precinct dispatch and patrol channels, no.
(4) It is true that some other FIRE Departments across the state have gone to full encryption. Using the list they cited, out of approximately 635 Fire Departments in Tennessee, 11 use full encryption and 11 more use partial encryption. A number of the other 600+ fire departments with whom I've spoken cite firefighter safety and accountability to the people they serve as the most important reasons they will not encrypt their radio transmissions.
(5) Throughout the United States (again, using the database NFD cited) there are only 153 Fire Departments that utilize full time encryption on all channels; that's out of approximately 29,705 departments nationwide in 2018. Of the top 50 cities by population (Nashville is #25), only Denver is fully encrypted.

Following the Christmas Day Bombing in Nashville, various internet sites were live streaming radio traffic during the active investigative work our personnel were helping the federal authorities complete.
(6) They have been doing so for at least the last ten years and the transmissions are rebroadcast (on a delay) from scanners that have been available to the public since the 1970s.
(7) The claim that the impetus for full-time encryption is due to the bombing is untrue. The decision to move toward full-time encryption was made well before the Christmas 2020 bomb blast. The only delay in implementing the decision was the necessity to replace most of the FD radios, both mobile and handheld, with new and more expensive radios that would allow for encryption (as well as GPS to locate the radio in an emergency, which is a good thing).

While the Christmas Day Bombing was the biggest event, it was not the first time that live streaming of radio communications has put the safety of our personnel and patient privacy in question.
(8) Patient privacy, yes (although there were no patients whose privacy needed protecting that day). But I challenge NFD Logistics (Brian Jones, commander), the division in charge of the radio shop and whom I believe to be the division driving this change to full-time encryption, to name another time that the safety of NFD personnel has been compromised by our tax-payers listening to radio transmissions either on-air or on-line. Again, please refer to my responses #1 and #2 above.

There is sensitive patient and victim information our personnel relay via radio during active incidents that we want to protect.
(9) Of course. And that's been done for years.

On our website there is a listing of active incidents that refreshes every five minutes. <Nashville > Fire Department > Operations Division > Active Incidents>
(10) If you look at this list of active incidents, you will note that only the first apparatus (out of anywhere between 1 and 10+ others dispatched) is listed. That alone makes this list essentially worthless to the public or to the media.

Radio traffic is still available to the public via applicable open records laws.
(11) Which is not the same as full-time or immediate transparency and does nothing for the many firefighters and their families and friends who want to keep up with their loved ones on duty.

Furthermore, our public information office is very responsive to media inquires during active incidents. This includes responding on nights, weekends and holidays.
(12) Joseph and Kendra do an excellent job. But their response to media inquiries is secondary to media and public knowledge of particular incidents.

The implementation of our encryption has started, and we will complete it at a date to be determined.
(13) What? So like it or lump it? Does Chief Swann, whom I truly believe has the best interests of the public and of his personnel at heart, know of and agree with all these claims?

So, I ask you, as my council member, to ask the whole Metro Council, and/or Mayor Cooper, to halt the final implementation of full-time encryption of the Fire Department until the advisability of such a move can be reviewed. As I've said to you before, I see no good reason why any of the currently monitorable Bravo Channels (Dispatch - B1, Special Operations - B2 & B4, or Tactical Operations - B6 through B15) should be switched to full-time encryption. And I question the need for encryption on the Delta Channels (PIO, Training Academy, Fire Inspectors, Box 55) that was implemented sometime last year. I can count, maybe on one hand, the number of times the Arson Investigators have even used their channel in the past ten years. We mostly used cell phones.

With the new Motorola radios, every channel can be set up for selectable encryption should the users decide that is necessary during a particular operation. A simple flip of a switch on the user's radio is all that's required.

Thank you, Dave, for your responsiveness to this concern. I share it with many NFD firefighters, their families, and their friends.

Fred L Page
NFD Arson Investigator, retired
Outstanding Sir
 

jpryor

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Current state and assessment of metro fire encryption progress based on Unitrunker data...

The NFD encryption process quickly updated majority of the metro fire radios over a six week period. So most progress was made between mid march through the end of April. That converted 90% of the radios active on metro fire on any given day (I was sampling data every Wednesday) but had left about 10% of the radios active still in the clear on the clear channels on any given day. Those radios left are all kinds on non metro fire radios, including Goodlettsville fire, metro ECC, metro OEM, Vanderbilt, TDOT and various others. And the majority of the time, at least one of those clear radios is on a legacy clear channel leaving traffic in the clear. Really only until the past few weeks have I noticed missing some B2 or B4 traffic at times. At this point it seems the remaining progress will continue, until all remaining non metro fire radios get converted, unless the clear channels are more abruptly removed. Eventually expecting to a decline of clear activity, then the final pulling of the plug.
 

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KN4EHX

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This is unfortunate. I’ve been working on a very high profile incident with local, state, and federal partners with alphabet soup titles and we’re all in the clear for the past two weeks. Indeed opsec is a very real issue and we keep chatter to a minimum - whenever something very important that doesn’t need to go across the radiosphere occurs we use our phones. Oh and did I mention this also required a cell site on wheels? If we can do it in a very adverse situation Nashvegas can too. Transparency is very important and knowing when to dial directly is just as important. I just don’t see the need for NFD to be so secret squirrel.

Either way, thank you again for the update and a tip of the hat to everyone working on transparency.
 

TNDispatcher

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I do not hear any traffic this morning on any b-2 and up channels just primary dispatch. I think their tac channels are finally full E. I have been listening for several hours now. Only Bravo 1 is in the clear
 

AESFTW

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Has anyone confirmed what type of encryption is being used?
 

INDY72

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doesn't really matter what type though does it?
Only matters in terms of funds from feds. If you use the free ADP then your not in full compliance with what feds like and want so you may not get more money when you ask. If you use AES256 it is in compliance and they will be quicker to give you grants cause your doing what they want.
 

WX4JCW

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Only matters in terms of funds from feds. If you use the free ADP then your not in full compliance with what feds like and want so you may not get more money when you ask. If you use AES256 it is in compliance and they will be quicker to give you grants cause your doing what they want.
I know that, was curious why we would be bothered with it
 
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