Northern Virginia Emergency Response System

[dlwtrunked]

1) HMARS is not th ename of DCHA'S talkgroups on DC's 7/800 MHz System
HMARS is a single UHF frequency managed by MEDCOM

2) While something needs to replace the RCHH medical talkgroups on Fairfax Co's 800 MHz system, its not NVERS.
Unitl Fairfax changed out antennas their system could be reached all the way down to Fredericksburg, no its signal doesnt leave the county.

3) NVERS system is something new, and while we would all like to know more about how it will be used...
It is DMR and majority of public saftey vehicles in the NCR that use the med tgs on FFX system dont have a DMR radio to use NVERS.

Agree. And the thread is getting to be confusing about which RF system a post us talking about.

 

[freqhopping]

On the Lansdowne site I get 464.775 as LCN 2. Just had some encrypted transmissions on TG101 by UID 2005 and 2007.

 

[dlwtrunked]

On the Lansdowne site I get 464.775 as LCN 2. Just had some encrypted transmissions on TG101 by UID 2005 and 2007.

On the Spotsylvania NVERS site, I have seen TG 101, 104, 105, and107. I have monitored continuously for days but saw no voice encrypted or not. I am not sure I saw any transmission longer than 1 second but may have missed.

 

[wirr]

Here is what I have found on the L1 Northern Virginia Emergency Response System:

Site 1 Fairfax/Fairfax
419 463.625c 0
575 464.600c 0
Callsign WSCM479
Neighbor List 2 5 6 14 50

Site 2 Fredericksburg/Spotsylvania
397 463.4875c 0
WSCM479
NL 1 4 6 7

Site 3 Winchester/Winchester City
15 461.100c 0
WSCM479
NL 5 6 7 8 10

Site 4 Charlottesville/Charlottesville City
79 461.500c 0
WSCM479

Site 5 Leesburg/Loudoun
603 464.775c 0
WSCA411

Site 6 Warrenton/Fauquier
469 463.9375c 0
WSCA411

Site 7 unknown
379 463.675c 0

Site 8 Luray/Page
55 461.350c 0
WSCA411
NL 3 4 7 10 11

Site 9 Fishersville/Augusta
351 463.200c 0
WSCF645

Site 10 Woodstock/Shenandoah
151 461.950c 0
WSCF645
NL 3 8 11

Site 11 Harrisonburg/Rockingham
609 464.8125c 0
WSCF645
NL 4 8 9 10 13

Site 13 Hot Springs/Bath
105 461.6625c 0
WSCF645

Site 14 unknown
3 461.025c 0

Site 50 unknown
3 461.025c 0

 

[fredva]

I'm wondering if this system is primarily intended to send data between facilities. The <=1 second transmissions mentioned above and no monitoring of voice traffic (yet) makes me think that is a possibility.

 

[LateNightGaming]

Looks like there is a considerable amount of voice traffic today on Talkgroup 20167 and 20166. Seems like the system is being used more frequently now.

 

[Hbright]

Here is what I have found on the L1 Northern Virginia Emergency Response System:

Site 1 Fairfax/Fairfax
419 463.625c 0
575 464.600c 0
Callsign WSCM479
Neighbor List 2 5 6 14 50

What are the first numbers (419, 575)?

I'm only getting 464.6 CC0 on Site 1 from Vienna/Oakton area. Nothing from 463.625.

 

[BM82557]

What are the first numbers (419, 575)?

I'm only getting 464.6 CC0 on Site 1 from Vienna/Oakton area. Nothing from 463.625.

 

[dlwtrunked]

What are the first numbers (419, 575)?

Frequency channel numbers.

419*0.00625+461.00625=463.625
575*0.00625+461.00625=464.600
if you do not look at the entry in RR.

 

[LateNightGaming]

Hey are we sure that the Color Code is 0 for the Fairfax site? My radio is reporting color code 6.

 

[LateNightGaming]

More importantly, how is this system not causing interference from local stations? For example, Alexandria hospital is on 463.625 and is well within coverage of the Fairfax site.

 

[vsp5151]

One of the blank sites is Culpeper Medical Center. The radio has been there for several months but I have no additional information on the frequencies etc.