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                                                                    EXHIBIT 10.2
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                          AMBAC ASSURANCE CORPORATION,


                                       and


                            BEAR, STEARNS & CO. INC.

                                       and

                              LEHMAN BROTHERS INC.



                            INDEMNIFICATION AGREEMENT



                 ADVANTA REVOLVING HOME EQUITY LOAN TRUST 1999-A



                            Dated as of May 27, 1999
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\                                TABLE OF CONTENTS

     (This Table of Contents is for convenience of reference only and shall not
be deemed to be part of this Indemnification Agreement. All capitalized terms
used in this Indemnification Agreement and not otherwise defined shall have the
meanings set forth in Article I of this Indemnification Agreement.)


                                                                            Page
                                                                            ----
Section 1.  Defined Terms..................................................    1
Section 2.  Other Definitional Provisions..................................    1
Section 3.  Representations, Warranties and Covenants of the Underwriters..    2
Section 4.  Representations and Warranties of the Insurer..................    2
Section 5.  Indemnification................................................    3
Section 6.  Amendments, Etc................................................    5
Section 7.  Notices........................................................    5
Section 8.  Severability...................................................    6
Section 9.  Governing Law..................................................    6
Section 10.  Counterparts..................................................    6
Section 11.  Headings......................................................    6
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     INDEMNIFICATION AGREEMENT dated as of May 27, 1999 (the "Indemnification
Agreement"), by and among AMBAC ASSURANCE CORPORATION, as Insurer, BEAR, STEARNS
& CO. INC. and LEHMAN BROTHERS INC.

     Section 1. Defined Terms. Unless the context clearly requires otherwise,
all capitalized terms used but not defined herein shall have the respective
meanings assigned to them in the Sale and Servicing Agreement, the Insurance
Agreement or the Policy. For purposes of this Indemnification Agreement, the
following terms shall have the following meanings:

     "Indenture" means the Indenture (as may be amended, modified or
supplemented from time to time) dated as of May 1, 1999 by and among the Advanta
Revolving Home Equity Loan Trust 1999-A and Bankers Trust Company of California,
N.A., as Indenture Trustee.

     "Insurance Agreement" means the Insurance and Indemnification Agreement (as
may be amended, modified or supplemented from time to time) dated as of May 27,
1999 by and among the Advanta Mortgage Conduit Services, Inc., as Sponsor,
Advanta Mortgage Corp. USA, as Master Servicer, the Insurer, Advanta Holding
Trust 1999-A, the Trust, as Issuer and Bankers Trust Company of California,
N.A., as Indenture Trustee.

     "Insurer" means Ambac Assurance Corporation, or any successor thereto, as
issuer of the Policy.

     "Insurer Information" has the meaning given such term in Section 4.

     "Notes" means any one of the Notes substantially in the form set forth in
Exhibit A to the Indenture.

     "Offering Document" means the Prospectus Supplement, dated May 18, 1999, in
respect of the Notes, and any amendment or supplement thereto, and any other
offering document in respect of the Notes that makes reference to the Policy.

     "Sale and Servicing Agreement" means the Sale and Servicing Agreement,
dated as of May 1, 1999, relating to the Advanta Home Equity Loan Asset Backed
Notes, Series 1999-A, by and among Advanta Revolving Home Equity Loan Trust
1999-A, Advanta Holding Trust 1999-A, the Sponsor, the Master Servicer and the
Indenture Trustee (as may be amended, modified or supplemented from time to time
as set forth therein).

     "Securities Act" means the Securities Act of 1933, including, unless the
context otherwise requires, the rules and regulations thereunder, as amended
from time to time.

     "Securities Exchange Act" means the Securities Exchange Act of 1934,
including, unless the context otherwise requires, the rules and regulations
thereunder, as amended from time to time.

     "Underwriters" means Bear, Stearns & Co. Inc. and Lehman Brothers Inc.

     "Underwriters' Information" has the meaning given such term in Section 3.
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     Section 2. Other Definitional Provisions. The words "hereof," "herein" and
"hereunder" and words of similar import when used in this Indemnification
Agreement shall refer to this Indemnification Agreement as a whole and not to
any particular provision of this Indemnification Agreement, and Section,
subsection, Schedule and Exhibit references are to this Indemnification
Agreement unless otherwise specified. The meanings given to terms defined herein
shall be equally applicable to both the singular and plural forms of such terms.
The words "include" and "including" shall be deemed to be followed by the phrase
"without limitation."

     Section 3. Representations, Warranties and Covenants of the Underwriters.
The Underwriters represent, warrant and covenant as of the Closing Date as
follows:

          (a) Compliance With Laws. The Underwriters will comply in all material
     respects with all legal requirements in connection with offers and sales of
     the Notes and will make such offers and sales in the manner to be provided
     in the Offering Document.

          (b) Offering Document. The Underwriters will not use, or distribute to
     other broker-dealers for use, any Offering Document in connection with the
     offer and sale of the Notes unless such Offering Document includes such
     information relating to the Insurer as has been furnished by the Insurer
     for inclusion therein and has been approved by the Insurer.

          (c) Underwriters' Information. All material provided by the
     Underwriters for inclusion in the Offering Document (as revised from time
     to time), shall be true and correct in all material respects, it being
     understood and agreed that the only such information furnished by the
     Underwriters consists of the following information (collectively, the
     "Underwriters' Information"): the information contained under the third,
     fourth, fifth, sixth, seventh and ninth paragraphs under the heading
     "UNDERWRITING" in the Offering Document.

     Section 4. Representations and Warranties of the Insurer. The Insurer
represents and warrants to the Underwriters as follows:

          (a) Organization and Licensing. The Insurer is a duly organized and
     licensed and validly existing Wisconsin stock insurance company duly
     qualified to conduct an insurance business in the State of New York.

          (b) Corporate Power. The Insurer has the corporate power and authority
     to issue the Policy and execute this Indemnification Agreement and to
     perform all of its obligations hereunder and thereunder.

          (c) Authorization; Approvals. Proceedings legally required for the
     issuance of the Policy and the execution, delivery and performance of this
     Indemnification Agreement have been taken and all material licenses,
     orders, consents or other authorizations or approvals of any governmental
     boards or bodies legally required for the enforceability of the Policy have
     been obtained; any proceedings not taken and any licenses, authorizations
     or approvals not obtained are not material to the enforceability of the
     Policy.


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          (d) Enforceability. The Policy, when issued, and this Indemnification
     Agreement will each constitute a legal, valid and binding obligation of the
     Insurer, enforceable in accordance with its terms, subject to insolvency,
     reorganization, moratorium, receivership and other similar laws affecting
     creditors' rights generally and by general principles of equity and subject
     to principles of public policy limiting the right to enforce the
     indemnification provisions contained therein and herein, insofar as such
     provisions relate to indemnification for liabilities arising under federal
     securities laws.

          (e) Financial Information. The consolidated financial statements of
     the Insurer and subsidiaries as of December 31, 1998 and December 31, 1997,
     and for each of the years in the three-year period ended December 31, 1998,
     prepared in accordance with generally accepted accounting principles,
     included in the Annual Report on Form 10-K of Ambac Financial Group, Inc.
     (which was filed with the Commission on March 30, 1999; Commission File
     Number 1-10777) and the unaudited consolidated financial statements of the
     Insurer and subsidiaries as of March 31, 1999 and for the periods ending
     March 31, 1999 and March 31, 1998 included in the Quarterly Report on Form
     10-Q of Ambac Financial Group, Inc. for the period ended March 31, 1999
     (which was filed with the Commission on May 12, 1999), which are
     incorporated by reference in the Offering Document, fairly present in all
     material respects the financial condition of the Insurer as of such dates
     and for the periods covered by such statements in accordance with generally
     accepted accounting principles consistently applied. Since March 31, 1999,
     there has been no material change in such financial condition of the
     Insurer that would materially and adversely affect its ability to perform
     its obligations under the Policy.

          (f) Insurer Information. The information in the Offering Document as
     of the date hereof under the caption "THE INSURER AND THE POLICY" (the
     "Insurer Information") is true and correct in all material respects and
     does not contain any untrue statement of a material fact.

          (g) Rating. The Insurer is not aware of any facts that if disclosed to
     Moody's or Standard & Poor's would be reasonably expected to result in a
     downgrade of the rating of the financial strength of the Insurer by either
     of such Rating Agencies.

          (h) No Litigation. There are no actions, suits, proceedings or
     investigations pending or, to the best of the Insurer's knowledge,
     threatened against it at law or in equity or before or by any court,
     governmental agency, board or commission or any arbitrator which, if
     decided adversely, would result in a Material Adverse Change or would
     materially and adversely affect its ability to perform its obligations
     under the Policy or this Indemnification Agreement.

          (i) 1933 Act Registration. The Policy is exempt from registration
     under the Securities Act.

     Section 5.  Indemnification.


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          (a) The Underwriters hereby agree to pay, and to protect, indemnify
     and save harmless, the Insurer and its officers, directors, shareholders,
     employees, agents and each Person, if any, who controls the Insurer within
     the meaning of either Section 15 of the Securities Act or Section 20 of the
     Securities Exchange Act from and against, any and all claims, losses,
     liabilities (including penalties), actions, suits, judgments, demands,
     damages, costs or expenses (including reasonable fees and expenses of
     attorneys, consultants and auditors and reasonable costs of investigations)
     of any nature arising out of or by reason of any untrue statement of a
     material fact or an omission to state a material fact necessary in order to
     make the statements therein in light of the circumstances in which they
     were made not misleading, contained in the Underwriters' Information or a
     breach of any of the representations, warranties and covenants of the
     Underwriters contained in Section 3.

          (b) The Insurer agrees to pay, and to protect, indemnify and save
     harmless, the Underwriters and their respective officers, directors,
     shareholders, employees, agents and each Person, if any, who controls
     either of the Underwriters within the meaning of either Section 15 of the
     Securities Act or Section 20 of the Securities Exchange Act from and
     against, any and all claims, losses, liabilities (including penalties),
     actions, suits, judgments, demands, damages, costs or expenses (including
     reasonable fees and expenses of attorneys, consultants and auditors and
     reasonable costs of investigations) of any nature arising out of or by
     reason of any untrue statement of a material fact or an omission to state a
     material fact necessary in order to make the statements therein in light of
     the circumstances in which they were made not misleading, contained in the
     Insurer Information or a breach of any of the representations and
     warranties of the Insurer contained in Section 4.

          (c) If any action or proceeding (including any governmental
     investigation) shall be brought or asserted against any Person
     (individually, an "Indemnified Party" and, collectively, the "Indemnified
     Parties") in respect of which the indemnification provided in this Section
     5(a) or (b) may be sought from either of the Underwriters, on the one hand,
     or the Insurer, on the other (each, an "Indemnifying Party") hereunder,
     each such Indemnified Party shall promptly notify the Indemnifying Party in
     writing, and the Indemnifying Party shall assume the defense thereof,
     including the employment of counsel reasonably satisfactory to the
     Indemnified Party and the payment of all expenses. The Indemnified Party
     shall have the right to employ separate counsel in any such action and to
     participate in the defense thereof at the expense of the Indemnified Party;
     provided, however, that the fees and expenses of such separate counsel
     shall be at the expense of the Indemnifying Party if (i) the Indemnifying
     Party has agreed to pay such fees and expenses, (ii) the Indemnifying Party
     shall have failed to assume the defense of such action or proceeding and
     employ counsel reasonably satisfactory to the Indemnified Party in any such
     action or proceeding or (iii) the named parties to any such action or
     proceeding (including any impleaded parties) include both the Indemnified
     Party and the Indemnifying Party, and the Indemnified Party shall have been
     advised by counsel that there may be one or more legal defenses available
     to it which are different from or additional to those available to the
     Indemnifying Party (in which case, if the Indemnified Party notifies the
     Indemnifying Party in writing that it elects to employ separate counsel at
     the expense of the Indemnifying Party, the Indemnifying Party shall not
     have the right to assume the defense of such action or proceeding on behalf
     of such Indemnified Party, it being understood, however, that the
     Indemnifying Party shall not, in


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     connection with any one such action or proceeding or separate but
     substantially similar or related actions or proceedings in the same
     jurisdiction arising out of the same general allegations or circumstances,
     be liable for the reasonable fees and expenses of more than one separate
     firm of attorneys at any time for the Indemnified Parties, which firm shall
     be designated in writing by the Indemnified Party). The Indemnifying Party
     shall not be liable for any settlement of any such action or proceeding
     effected without its written consent to the extent that any such settlement
     shall be prejudicial to the Indemnifying Party, but, if settled with its
     written consent, or if there is a final judgment for the plaintiff in any
     such action or proceeding with respect to which the Indemnifying Party
     shall have received notice in accordance with this subsection (c), the
     Indemnifying Party agrees to indemnify and hold the Indemnified Parties
     harmless from and against any loss or liability by reason of such
     settlement or judgment.

          (d) To provide for just and equitable contribution if the
     indemnification provided by the Indemnifying Party is determined to be
     unavailable or insufficient to hold harmless any Indemnified Party (other
     than due to application of this Section), each Indemnifying Party shall
     contribute to the losses incurred by the Indemnified Party on the basis of
     the relative fault of the Indemnifying Party, on the one hand, and the
     Indemnified Party, on the other hand provided, that neither of the
     Underwriters shall be liable for any amount in excess of (i) the excess of
     the sales prices of the Notes to the public over the prices paid therefor
     by the Underwriters over (ii) the aggregate amount of any damages which the
     Underwriters have otherwise been required to pay in respect of the same or
     any substantially similar claim.

              The relative fault of each Indemnifying Party, on the one hand,
     and each indemnified Party, on the other, shall be determined by reference
     to, among other things, whether the breach of, or alleged breach of, any of
     its representations, warranties or covenants set forth herein was within
     the control of, the Indemnifying Party or the Indemnified Party, and the
     parties' relative intent, knowledge, access to information and opportunity
     to correct or prevent such breach.

               No person guilty of fraudulent misrepresentation (within the
     meaning of Section (11)f of the Securities Act) shall be entitled to
     contribution from any person who was not guilty of such fraudulent
     misrepresentation.

     Section 6. Amendments, Etc. This Indemnification Agreement may be amended,
modified, supplemented or terminated only by written instrument or written
instruments signed by the parties hereto.

     Section 7. Notices. All demands, notices and other communications to be
given hereunder shall be in writing (except as otherwise specifically provided
herein) and shall be mailed by registered mail or personally delivered and
telecopied to the recipient as follows:


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                  (a)   To the Insurer:

                        Ambac Assurance Corporation
                        One State Street Plaza
                        New York, New York  10004
                        Attention:  Structured Finance Department - MBS
                        Telecopy No.:  212-363-1459
                        Confirmation:  212-668-0340

                  (b)   To Bear, Stearns & Co. Inc.:

                        Bear, Stearns & Co. Inc.
                        245 Park Avenue, 4th Floor
                        New York, New York  10167
                        Attention:  Bear Stearns Asset-Backed Securities Group
                        Telecopy No.:  212-272-7294
                        Confirmation:  212-272-2000

                  (b)   To Lehman Brothers Inc.:

                        Lehman Brothers Inc.
                        Three World Financial Center
                        New York, New York  10285-1200
                        Attention:    Aadit Seshasayee
                        Telecopy No.:  212-526-7209
                        Confirmation:  212-526-7000

     A party may specify an additional or different address or addresses by
writing mailed or delivered to the other parties as aforesaid. All such notices
and other communications shall be effective upon receipt.

     Section 8. Severability. In the event that any provision of this
Indemnification Agreement shall be held invalid or unenforceable by any court of
competent jurisdiction, the parties hereto agree that such holding shall not
invalidate or render unenforceable any other provision hereof. The parties
hereto further agree that the holding by any court of competent jurisdiction
that any remedy pursued by any party hereto is unavailable or unenforceable
shall not affect in any way the ability of such party to pursue any other remedy
available to it.

     Section 9. Governing Law. This Indemnification Agreement shall be governed
by and construed in accordance with the laws of the State of New York.

     Section 10. Counterparts. The Indemnification Agreement may be executed in
counterparts by the parties hereto, and all such counterparts shall constitute
one and the same instrument.


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     Section 11. Headings. The headings of Sections and the Table of Contents
contained in this Indemnification Agreement are provided for convenience only.
They form no part of this Indemnification Agreement and shall not affect its
construction or interpretation.

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         IN WITNESS WHEREOF, the parties hereto have executed this
Indemnification Agreement as of the day and year first above mentioned.

                                           AMBAC ASSURANCE CORPORATION,
                                               as Insurer



                                           By:    /s/ Warren K. Tong
                                              ----------------------------------
                                              Name:  Warren K. Tong
                                              Title: First Vice President


                                           BEAR, STEARNS & CO. INC.



                                           By:   /s/ Thomas S. Dunstan
                                              ----------------------------------
                                              Name:  Thomas S. Dunstan
                                              Title: Managing Director


                                           LEHMAN BROTHERS INC.



                                           By:    /s/  Samir Tabet
                                              ----------------------------------
                                              Name:  Samir Tabet
                                              Title: Senior Vice President