\overline{T}_{\ell m}^\textrm{meas} (k)$        Estimated sky temperature in spherical Fourier-Bessel space for finite-volume surveys                               Eq.
  $\widetilde{T} (\mathbf{k})$                      Sky temperature in rectilinear Fourier space                                                                        Eq.
  $\kappa (\nu)$                                    Frequency spectrum of foreground contaminants                                                                       Eq.
  $q_\ell (k)$                                      Frequency spectrum of foreground contaminants in radial spherical Bessel basis                                      Eq.
  $a_{\ell m} (\nu)$                                Sky temperature in frequency/spherical harmonic space                                                               Eq.
  $Y_{\ell m} $                                     Spherical harmonic function                                                                                         Section \[sec:SphericalPspecFormalism\]
  $\psi_{\ell m} (k; {\hat{\mathbf{r}}}, \nu)$      Spherical Fourier-Bessel basis function in configuration space                                                      Eq.
  $j_\ell (kr) $                                    $\ell$th order spherical Bessel function of the first kind                                                          Section \[sec:SphericalPspecFormalism\]
  $C_\ell$                                          Angular power spectrum                                                                                              Section \[sec:RotationalInvarianceOnly\]
  $P(\mathbf{k})$                                   Brightness temperature power spectrum                                                                               Section \[sec:Intro\]
  $P(k_\perp, k_\parallel)$                         Brightness temperature power spectrum, assuming cylindrical symmetry                                                Section \[sec:Intro\]
  $P(k)$                                            Brightness temperature power spectrum, assuming isotropy                                                            Eq.
  $S_\ell (k) $                                     Spherical harmonic power spectrum                                                                                   Eq.
  $ \mathbf{b}$                                     Interferometer baseline vector                                                                                      Section \[sec:Interferometry\]
  $\tau$                                            Interferometric time delay                                                                                          Eq.
  $V(\mathbf{b}, \nu)$                              Interferometric visibility                                                                                          Eq.
  $\widetilde{V}(\mathbf{b}, \tau)$                 Interferometric visibility in delay space                                                                           Eq.
  $A({\hat{\mathbf{r}}}, \nu)$                      Primary beam of receiving elements of interferometer                                                                Eq.
  $B({\hat{\mathbf{r}}}, \nu)$                      Rescaled primary beam                                                                                               Eq.
  $\overline{B^2}(\theta) $                         Squared primary beam profile, averaged azimuthally about a baseline vector                                          Eq.
  $\gamma (\nu)$                                    Delay transform tapering function                                                                                   Eq.
  $f_{\ell m} (\mathbf{b}, \nu)$                    Response of baseline $\mathbf{b}$ at frequency 