The Federal Communications Commission (FCC) has granted a total of 68 licenses and call signs in the category of Restricted Operator license in Cambridge, Massachusetts. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| RL00003296 | Hallam, Henry M | 2007-07-27 |
| RL00004568 | Suh, Seunghan | 2008-12-25 |
| RL00004960 | Schmedding, Ingolf T | 2009-05-28 |
| RL00007881 | Houwer, Guillermo E | 2011-12-03 |
| RL00009187 | Haushofer, Johannes A | 2013-04-25 |
| RR00003727 | Newman PhD, Dava J | 2001-12-12 |
| RR00003915 | Morse, Robert F | 2001-12-21 |
| RR00007913 | Greenspun, Philip G | 2002-08-23 |
| RR00013268 | Bruckner, Peter J | 2003-07-18 |
| RR00014377 | Rodela, Jason A | 2003-10-07 |
| RR00027681 | Andrade, Americo | 2005-04-23 |
| RR00031847 | crane, matteo s | 2005-09-28 |
| | ||
| RR00041901 | Wheeler, Craig A | 2006-10-28 |
| RR00043732 | Garbin, Megan K | 2007-01-11 |
| RR00045097 | Bramhanand, Sanjay | 2007-02-22 |
| RR00045321 | Mayfield, Miles H | 2007-03-01 |
| RR00046137 | Drescher, Gary L | 2007-03-21 |
| RR00046540 | Weissman, Adrian B | 2007-04-03 |
| RR00047480 | Olveczky, Bence P | 2007-04-26 |
| RR00049236 | Bajaj, Vikram S | 2007-06-19 |
| RR00052225 | Schwan, Philip I | 2007-09-13 |
| RR00056927 | Thiagarajan, Nikhil S | 2008-02-22 |
| RR00067776 | DuBois, Christopher | 2009-10-23 |
| RR00074083 | Wallace, Alexis C | 2010-10-13 |
| RR00074291 | Valentine, Michael K | 2010-10-26 |
| RR00079261 | Zapol, Warren M | 2011-06-08 |
| RR00080783 | Minick, L Scott | 2011-08-12 |
| RR00082140 | Bussolari, Steven R | 2011-10-01 |
| RR00087782 | Santos, Rodrigo | 2012-06-30 |
| RR00089322 | Oliveira Callender, Leonard A | 2012-09-12 |
| RR00089383 | Kuemmeth, Ferdinand | 2012-09-18 |
| RR00089524 | Stalder, Brian A | 2012-09-25 |
| RR00094038 | Oreman, Joshua B | 2013-04-16 |
| RR00094055 | Kravit, Gregory D | 2013-04-16 |
| RR00094410 | Talebinejad, Ali | 2013-05-04 |
| RR00096463 | Leonard, Reid J | 2013-08-13 |
| RR00099103 | McCarthy, Colin W | 2013-12-18 |
| RR00099613 | Ehrenfeld, Emily | 2014-01-11 |
| RR00102565 | Nierenberg, David | 2014-05-03 |
| RR00103722 | Tremper, Thomas J | 2014-06-12 |
| RR00112134 | BAcon Jr, Carter S | 2015-05-20 |
| RR00112261 | Baker, Kenneth J | 2015-05-27 |
| RR00113034 | pearre, Benjamin w | 2015-06-26 |
| RR00127342 | Blumenthal, Maxwell K | 2016-12-14 |
| RR00135768 | Meirovitch, Elad E | 2017-09-16 |
| RR00139001 | Maeder, Paul A | 2017-12-28 |
| RR00140067 | Lebedev, Ilia A | 2018-01-30 |
| RR00145454 | Moraes, Raphael | 2018-06-29 |
| RR00147561 | Wiese, Daniel P | 2018-09-01 |
| RR00148135 | Washington, Thomas | 2018-09-19 |
| RR00154353 | Altmann, Thomas | 2019-03-26 |
| RR00156203 | Pechet, Tiron C | 2019-05-08 |
| RR00156262 | Monroe, Nathan M | 2019-05-10 |
| RR00156754 | Kates-Harbeck, Julian N | 2019-05-23 |
| RR00157722 | Sahin, Hamit | 2019-06-19 |
| RR00160436 | Budlong, Prassuna | 2019-09-04 |
| RR00162196 | Callen, Jerry L | 2019-10-23 |
| RR00169144 | Sanchez de la Cerda, Alexander | 2020-07-14 |
| RR00178683 | O'Farrell, Michael | 2021-08-10 |
| RR00180184 | Haessly, Andrea L | 2021-09-15 |
| RR00183642 | Freidin, Jonathan F | 2021-12-15 |
| RR00191886 | Nelson, Carl F | 2022-06-15 |
| RR00195776 | Almagro, Juan P | 2022-09-07 |
| RR00198246 | Sha, Raahil M | 2022-10-25 |
| RR00199996 | Arce, Emilio | 2022-12-03 |
| RR00203859 | Donais, Jonathan | 2023-02-22 |
| RR00203889 | Klinger, Mats | 2023-02-23 |
| RR00205000 | Palmatier, Corey j | 2023-03-15 |
